// tools/
All 191 tools.
Browser-based. No sign-up. Your files never leave your device.
AITools
17 tools- 01AI Blog Outline Generator - Create Post Structures FreeGenerate detailed blog post outlines with AI. Choose audience, length, and style. Get SEO-optimized structures in seconds. Free online tool.AI Tools
- 02AI Content Detector - Free Text AnalysisAnalyze text for AI-generated patterns using perplexity, burstiness, and vocabulary diversity. Free, private - runs entirely in your browser.AI Tools
- 03AI Email Writer - Generate Professional Emails FreeGenerate professional emails instantly with AI. Choose tone, type, and key points. Free email generator powered by AI.AI Tools
- 04AI Image Prompt Builder - Midjourney & MoreBuild prompts for Midjourney, DALL-E, Stable Diffusion, and Flux. Style, lighting, and composition controls. Free prompt tool.AI Tools
- 05AI Model Comparison - 50+ Models Side by SideCompare 50+ AI models: pricing, context windows, capabilities, and benchmarks. Filter by provider, open source, and features.AI Tools
- 06AI Prompt Generator - Structured BuilderBuild structured prompts for ChatGPT, Claude, and other AI models. Select role, task, context, and format. Free prompt engineering tool.AI Tools
- 07AI Review Response Generator - Reply to Negative ReviewsGenerate professional responses to negative customer reviews in seconds. Protect your reputation on Google, Trustpilot, and more. Free AI review reply tool.AI Tools
- 08AI Text Analyzer - Pattern & Style MetricsAnalyze text patterns: sentence variation, vocabulary diversity, repetition, and burstiness scores. Free writing analysis tool.AI Tools
- 09AI Token Counter - GPT, Claude & GeminiCount tokens for GPT, Claude, Gemini, and other AI models. Estimate costs per API call with built-in pricing. Free online tool.AI Tools
- 10AI Tone Changer - Rewrite Text in Any Tone FreeChange the tone of any text instantly with AI. Convert formal to casual, professional to friendly, and more. Free online tone converter.AI Tools
- 11Context Window Visualizer - AI Token UsageSee how much of each AI model's context window your text fills. Visual progress bars and cost estimates for GPT, Claude, and Gemini.AI Tools
- 12Fine-Tuning Data Formatter - JSONL ExportConvert CSV, JSON, or manual input into JSONL format for OpenAI and Anthropic fine-tuning. Token count and cost estimates included.AI Tools
- 13Image Metadata Viewer - EXIF & GPS DataView EXIF data, camera info, GPS coordinates, and AI generation markers from any image. Free, private - runs in your browser.AI Tools
- 14JSON Schema Validator - Free Online ToolValidate JSON data against a JSON Schema instantly. Perfect for AI function calling and API validation. Free, browser-based.AI Tools
- 15LLM Pricing Calculator - Compare 50+ ModelsCompare costs across 50+ AI models side by side. Calculate pricing for GPT, Claude, Gemini, Llama, and more. Free cost estimator.AI Tools
- 16Readability Checker - Flesch Score & MoreCheck text readability with Flesch-Kincaid, SMOG, Gunning Fog, and Coleman-Liau scores. See grade level and audience fit. Free tool.AI Tools
- 17System Prompt Builder - AI InstructionsBuild structured system prompts for ChatGPT, Claude, and other AI models. Model-specific export formats. Free prompt builder.AI Tools
Business
07 tools- 01Budget Planner - Free Monthly Budget ToolPlan your monthly budget with income and expense tracking. Pie chart visualization, category breakdown, and savings goal tracking. All data saved locally.Business
- 02Email Signature Generator - Free HTMLCreate professional HTML email signatures with name, title, photo, and social links. Multiple templates and styles. Free online tool.Business
- 03Habit Tracker - Build Daily StreaksTrack daily habits with a visual grid. Week and month views, streak counting, color-coded completion. All data saved locally in your browser.Business
- 04Invoice Generator - Free PDF InvoicesCreate professional PDF invoices with line items, tax, and company details. Live preview, print or save as PDF. Free - works entirely in your browser.Business
- 05Kanban Board - Free Drag & Drop Task BoardOrganize tasks with a simple drag-and-drop Kanban board. Three columns: To Do, In Progress, Done. Priority labels, card editing, and localStorage persistence. Free and private.Business
- 06Privacy Policy Generator - GDPR CompliantGenerate a GDPR-compliant privacy policy for your website or app. Customizable for cookies, analytics, and payments. Free template.Business
- 07Receipt Generator - Create & Print Receipts FreeGenerate professional receipts with line items, tax calculation, and company details. Print directly or save as PDF. Free and easy to use.Business
Date& Time
03 tools- 01Countdown Timer - Live Event Countdown ClockSet a target date and time to see a live countdown with animated flip-clock display. Add an event name, share the link, or go full screen for presentations.Date & Time
- 02Public Holidays Calendar - 22 CountriesBrowse public holidays and special awareness days for 22 countries. Interactive calendar with algorithmic Easter calculation. Works for any year - past and future.Date & Time
- 03Week Number Calculator - ISO 8601 & US WeeksCalculate ISO 8601, US, and UK/EU week numbers for any date. Understand how different countries number weeks in the year.Date & Time
Design
23 tools- 01Color Contrast Checker - WCAG AccessibilityCheck color combinations against WCAG 2.1 AA and AAA accessibility standards. See contrast ratio and pass/fail status. Free tool.Design
- 02Color Converter - HEX, RGB, HSL & CMYKConvert colors between HEX, RGB, HSL, and CMYK instantly. Live preview, one-click copy. Free tool for designers and developers.Design
- 03Color Harmony Finder - 7 Harmony TypesGenerate color harmonies from any base color. Complementary, analogous, triadic, and more. Export as CSS variables. Free tool.Design
- 04Color Palette Generator - Harmonious SchemesGenerate harmonious color palettes based on color theory. Copy HEX codes instantly. Free design tool for beautiful color combinations.Design
- 05Color Picker - HEX, RGB & HSL ValuesPick colors from a visual spectrum and get HEX, RGB, and HSL values. Save history, view harmonies. Free online color picker.Design
- 06CSS Animation Generator - Visual BuilderBuild CSS keyframe animations visually with live preview and copy-ready code. Customize timing, easing, and properties. Free tool.Design
- 07CSS Box Shadow Generator - Visual EditorCreate and preview CSS box shadows with intuitive sliders. Multiple layers, inset shadows, live preview. Copy CSS with one click.Design
- 08CSS Flexbox Generator - Visual BuilderBuild CSS flexbox layouts visually with live preview and ready-to-copy code export. Free online flexbox playground.Design
- 09CSS Gradient Generator - Visual Editor FreeCreate beautiful linear and radial CSS gradients with a visual editor. Copy ready-to-use CSS code. Free online gradient builder.Design
- 10CSS Grid Generator - Drag & Drop BuilderBuild CSS grid layouts visually with drag-to-resize columns and rows. Live preview with ready-to-copy CSS. Free online tool.Design
- 11Curated Color Palettes - 30+ HandpickedBrowse 30+ handpicked color palettes for design inspiration. Filter by mood (warm, cool, pastel). Copy hex codes or export as CSS.Design
- 12Device Mockup Generator - Free & InstantPlace screenshots into realistic device frames: iPhone, MacBook, iPad, and more. Custom backgrounds. Download as PNG. Free tool.Design
- 13Favicon Generator - Create Icons from TextCreate favicons from text with custom colors and shapes. Download as PNG in multiple sizes (16x16 to 512x512). Free online tool.Design
- 14Font Pairing Suggester - Google Fonts FreeDiscover beautiful Google Fonts pairings with live preview. Browse curated heading and body font combinations. Copy CSS instantly.Design
- 15Glassmorphism Generator - Frosted Glass CSSGenerate CSS for frosted glass effects with live preview and presets. Adjust blur, transparency, and border. Copy CSS instantly.Design
- 16Image Color Extractor - Get Palette FreeExtract dominant colors and palettes from any image. Get HEX and RGB values instantly. Export as CSS variables. Free and private.Design
- 17Neumorphism Generator - Soft UI CSS FreeGenerate CSS for soft UI neumorphic elements with live preview. Adjust size, radius, and colors. Copy CSS with one click. Free.Design
- 18Online Whiteboard - Free Drawing & Sketch ToolDraw, sketch, and annotate with pen, eraser, and shapes. Undo/redo, color picker, stroke width, and PNG export. Touch support for tablets.Design
- 19Pixel Art Editor - Free Online Drawing ToolCreate pixel art in your browser with 8x8, 16x16, or 32x32 grids. Color palette, fill bucket, eraser, undo, and PNG export. Free online pixel art maker.Design
- 20SVG Pattern Generator - Background PatternsCreate repeatable SVG background patterns. 8 presets, adjustable size, color, and opacity. Copy as SVG or CSS. Free design tool.Design
- 21Tint & Shade Generator - Color VariationsGenerate tints and shades from any base color. Full palette from light to dark. Click to copy hex values. Free design tool.Design
- 22Typography Scale Calculator - CSS ExportGenerate harmonious type scales for web design. Popular ratios with live preview and CSS custom properties export. Free design tool.Design
- 23Web Font Converter - @font-face CSS FreeLoad and preview web fonts (TTF, OTF, WOFF, WOFF2). Generate @font-face CSS and base64 data URIs. Free browser-based tool.Design
Design& CSS
04 tools- 01Color Blindness Simulator - Test AccessibilitySee how colors and images appear to people with color vision deficiencies. Simulate protanopia, deuteranopia, tritanopia, and achromatopsia. Essential for accessible design.Design & CSS
- 02Noise & Pattern Generator - SVG BackgroundsGenerate SVG noise patterns, dot grids, lines, crosshatch, and waves. Customize density, colors, and opacity. Export as SVG or CSS background.Design & CSS
- 03Random Color Generator - Palettes with HEX, RGB, HSLGenerate random color palettes with HEX, RGB, and HSL values. Lock colors, check contrast ratios, and copy codes with one click. Free design tool.Design & CSS
- 04Screen Ruler - Measure Pixels on ScreenA pixel-perfect ruler for measuring distances on screen. Supports px, em, and rem units. Add guides, measure between points, and toggle crosshairs.Design & CSS
Developer
03 tools- 01Binary Translator - Text to Binary & Binary to TextConvert text to binary and binary back to text. ASCII and UTF-8 support. Visual binary display with character breakdown table. Copy results instantly.Developer
- 02Fake Data Generator - Names, Emails, AddressesGenerate realistic fake data for testing: names, emails, addresses, phones, companies. Bulk generation up to 100 rows. Export as JSON or CSV. EN, NL, DE, FR locales.Developer
- 03JSON Path Finder - Interactive JSONPath ExplorerPaste JSON, click on any value to see its JSONPath expression. Interactive tree view, path copying, nested object and array support. Free developer tool.Developer
DeveloperTools
39 tools- 01API Request Builder - cURL, Python & JSBuild API requests for OpenAI, Anthropic, and Google AI. Generate ready-to-use code in cURL, Python, and JavaScript. Free tool.Developer Tools
- 02Base64 Encoder & Decoder - Free OnlineEncode text to Base64 or decode Base64 back to text instantly. Full Unicode support. Free, private, browser-based.Developer Tools
- 03Browser Compatibility Checker - Can I UseCheck browser support for CSS, JavaScript, HTML, and Web API features. Filter by support level across Chrome, Firefox, Safari, and Edge.Developer Tools
- 04Chmod Calculator - Unix File PermissionsCalculate Unix file permissions visually. Convert between symbolic and numeric (octal) notation. Free tool for developers and sysadmins.Developer Tools
- 05Code to Image - Beautiful Code ScreenshotsTurn code snippets into beautiful, shareable images with syntax highlighting. Custom themes, backgrounds, and window styles. Free.Developer Tools
- 06Cron Expression Builder - Visual & FreeBuild cron expressions visually with human-readable output and next run preview. No syntax memorization needed. Free online tool.Developer Tools
- 07Cron Expression Parser - Human-ReadableParse and explain cron expressions in plain English. See next run times and validate your schedule. Free online cron debugger.Developer Tools
- 08CSS Minifier - Reduce CSS Size InstantlyMinify CSS code by removing whitespace, comments, and unnecessary characters. See exact savings. Free browser-based tool.Developer Tools
- 09CSV to JSON Converter - Auto-Detect FormatConvert CSV data to JSON format instantly. Auto-detects delimiters and headers. Free, private, browser-based - no upload needed.Developer Tools
- 10CSV/Excel Viewer - Sortable Table FreeView CSV and TSV files as interactive, sortable tables in your browser. Search rows, sort columns. Free - no upload to any server.Developer Tools
- 11Diff Checker - Compare Text Side by SideCompare two texts and see differences highlighted line by line. Color-coded additions and deletions. Free, private, no upload needed.Developer Tools
- 12HTML Entity Encoder & Decoder - FreeEncode special characters to HTML entities or decode entities back to text. Common entities reference included. Free online tool.Developer Tools
- 13HTML Minifier - Reduce File Size InstantlyMinify HTML by removing comments, whitespace, and unnecessary characters. See exact savings. Free browser-based tool.Developer Tools
- 14HTML to Markdown Converter - Instant & FreeConvert HTML code to clean Markdown syntax. Handles headings, lists, links, tables, code blocks. Free browser-based converter.Developer Tools
- 15HTTP Status Codes - Complete ReferenceComplete reference of all HTTP status codes with descriptions and common use cases. Searchable and filterable. Free developer resource.Developer Tools
- 16Image to Base64 Converter - Free Online EncoderConvert any image to Base64 string. Get raw Base64, Data URI, HTML img tag, or CSS background-image. Drag & drop supported.Developer Tools
- 17JavaScript Minifier - Reduce JS Size FreeMinify JavaScript code by removing whitespace, comments, and shortening variable names. See exact savings. Free online tool.Developer Tools
- 18JSON Formatter & Validator - Instant ResultsFormat, validate, and minify JSON with instant error highlighting. Pinpoints syntax errors. Free, private, browser-based.Developer Tools
- 19JSON to CSV Converter - Export InstantlyConvert JSON arrays to CSV format with automatic header detection. Download as CSV file. Free, browser-based - no upload needed.Developer Tools
- 20JSON to TypeScript - Interface GeneratorConvert JSON objects to TypeScript interfaces instantly. Supports nested objects, arrays, optional and readonly properties. Free online tool.Developer Tools
- 21JSON to XML Converter - Instant & FreeConvert JSON data to XML format with proper indentation and escaping. Free, browser-based converter - no upload needed.Developer Tools
- 22JSON Tree Viewer - Expandable VisualizerVisualize JSON data as an expandable, collapsible tree. Search keys and values, copy JSON paths. Free online JSON explorer.Developer Tools
- 23JWT Decoder - Inspect Tokens InstantlyDecode and inspect JSON Web Tokens instantly. View header, payload, and expiration. Free, private - your tokens stay in your browser.Developer Tools
- 24Lorem Ipsum Generator - Free Placeholder TextGenerate placeholder text for your designs, mockups, and layouts. Choose paragraphs, sentences, or word count. One-click copy.Developer Tools
- 25Markdown Editor - Live Preview & ExportSplit-pane Markdown editor with live HTML preview. Write, preview, and export Markdown instantly. Free online editor - works instantly in your browser.Developer Tools
- 26Markdown Preview - Live Side-by-Side ViewWrite Markdown and see the rendered output in real-time. Split-pane editor with full CommonMark support. Free and browser-based.Developer Tools
- 27Markdown Table Generator - Visual EditorCreate tables visually and export as Markdown, HTML, or CSV. Import from CSV or paste from spreadsheets. Free online tool.Developer Tools
- 28Markdown to HTML Converter - Live PreviewConvert Markdown text to clean HTML code with live preview. Copy generated HTML instantly. Free online converter.Developer Tools
- 29PX to REM Converter - CSS Unit CalculatorConvert pixels to REM and REM to pixels with custom base font size. Quick reference table with visual preview. Free CSS unit converter.Developer Tools
- 30Regex Tester - Live Matching & HighlightingTest regular expressions with live matching and highlighting. Supports all flags and capture groups. Free online regex debugger.Developer Tools
- 31Responsive Design Tester - Multi-DevicePreview any URL at multiple screen sizes simultaneously. Test responsive layouts on mobile, tablet, and desktop. Free online tool.Developer Tools
- 32SQL Formatter - Beautify Queries OnlineFormat SQL queries with proper indentation and keyword highlighting. Supports all major SQL dialects. Free online SQL beautifier.Developer Tools
- 33SVG Optimizer - Minify & Clean SVG FilesOptimize and minify SVG code by removing metadata, editor data, and unnecessary attributes. See file size savings. Free tool.Developer Tools
- 34Text to Binary Converter - Hex & Octal TooConvert text to binary, hexadecimal, and octal and back. Includes ASCII table reference. Free online converter tool.Developer Tools
- 35Unix Timestamp Converter - Date & TimeConvert between Unix timestamps and human-readable dates instantly. Supports seconds and milliseconds. Free developer tool.Developer Tools
- 36URL Encoder & Decoder - Free Online ToolEncode or decode URLs and special characters for web use. Instant results, browser-based. Essential tool for web developers.Developer Tools
- 37UUID & ULID Generator - Bulk & SecureGenerate UUIDs (v4) and ULIDs in bulk. Cryptographically secure, browser-based. Generate up to 50 IDs at once. Free online tool.Developer Tools
- 38XML Formatter - Prettify & Validate FreeFormat and prettify XML with proper indentation and syntax validation. Customizable indent size. Free online XML beautifier.Developer Tools
- 39YAML ↔ JSON Converter - Instant & FreeConvert between YAML and JSON formats instantly. Bidirectional conversion with syntax validation. Free online developer tool.Developer Tools
Education
02 tools- 01Flashcard Maker - Study with Spaced RepetitionCreate flashcards with flip animation and study using the Leitner spaced repetition system. Import/export JSON, localStorage persistence.Education
- 02GPA Calculator - US & EU Grading ScalesCalculate your Grade Point Average from course grades and credit hours. Supports 4.0 (US), 10-point (EU), and percentage scales. Free.Education
Finance
09 tools- 01Bruto/Netto Calculator - Dutch Salary 2026Calculate Dutch gross to net salary with 2026 tax brackets, AHK, and employment tax credit. Instant results. Free online tool.🇳🇱 Netherlands
- 02BTW Calculator - Dutch VAT (21% & 9%)Calculate Dutch VAT (BTW) instantly. Convert between excl. and incl. amounts for 21% and 9% rates. Free online calculator.🇳🇱 Netherlands
- 03Compound Interest Calculator - Free & VisualCalculate compound interest on savings and investments. Visual growth chart, year-by-year breakdown, and formula explained. Free tool.Finance
- 04Hypotheek Calculator - Maandlasten BerekenenCalculate Dutch mortgage payments, interest, and total cost. Compare annuity vs linear repayment. Free online hypotheek calculator.🇳🇱 Netherlands
- 05IBAN Validator - Check 80+ CountriesValidate IBAN numbers from 80+ countries with MOD-97 check digit verification. Detects country, bank, and format errors instantly.Finance
- 06Loan Calculator - Payments & AmortizationCalculate monthly loan payments, total interest, and full amortization schedule. Compare two loan scenarios side by side. Free tool.Finance
- 07Mortgage Calculator - Payments & AmortizationCalculate mortgage payments, total interest, and full amortization schedule. Supports monthly, bi-weekly, and weekly payment frequencies.Finance
- 08Salary Calculator - Annual to Hourly RateConvert between annual salary, monthly, biweekly, weekly, daily, and hourly rates instantly. Multi-currency support. Free tool.Finance
- 09VAT Calculator - All 27 EU CountriesCalculate VAT for all 27 EU countries. Convert between amounts excluding and including VAT. Instant results with correct rates.Finance
Fun
01 toolsFun& Games
10 tools- 01Color Memory Game - Simon Says Brain TrainerTest your memory with this Simon Says-style color sequence game. Watch, repeat, and challenge yourself with increasing difficulty. High score tracking included.Fun & Games
- 02Fortune Cookie - Crack Open Your FortuneClick to crack open a virtual fortune cookie and reveal your fortune. 100+ inspirational, funny, and wise fortunes with lucky numbers. Share your fortune with friends.Fun & Games
- 03Magic 8-Ball - Ask a Question, Get an AnswerShake the virtual Magic 8-Ball for instant answers to your yes-or-no questions. Classic 20 responses, animated shake effect, and question history. Free browser game.Fun & Games
- 04Name Generator - Characters, Businesses, Bands & MoreGenerate random names for characters, businesses, bands, pets, babies, and gamertags. Fantasy, sci-fi, modern, and medieval themes. Save favorites locally.Fun & Games
- 05Number Guessing Game - Higher or LowerGuess the secret number with higher/lower hints. Multiple difficulty levels from 1-100 to 1-10000. Track your best scores and attempt counts per difficulty.Fun & Games
- 06Reaction Time Test - How Fast Are You?Measure your reaction time in milliseconds. Wait for the green screen, click as fast as you can. Track your average, best, and worst times against the human average of 250ms.Fun & Games
- 07Rock Paper Scissors - Play Against the ComputerClassic Rock Paper Scissors game with animated hand gestures. Play best-of-3, 5, or 10 rounds. Includes extended Lizard Spock mode and win/loss statistics.Fun & Games
- 08Text to ASCII Art Generator - Large Text Banner MakerConvert text into large ASCII art banners using multiple font styles. Standard, banner, block, slant, and more. Copy to clipboard instantly. Free online tool.Fun & Games
- 09Trivia Quiz - Test Your Knowledge OnlineChallenge yourself with multiple-choice trivia questions across science, history, geography, pop culture, and tech. Timed questions, score tracking, and high scores.Fun & Games
- 10Would You Rather - Fun Questions & Voting GamePlay Would You Rather with hundreds of questions across categories: funny, serious, impossible, food, and travel. Vote, see percentages, and add your own questions.Fun & Games
Generators
04 tools- 01Baby Name Generator - 13 Origins WorldwideFind the perfect baby name. Browse boy and girl names from 13 origins worldwide. Save favorites, filter by letter. Free name finder.Generators
- 02Barcode Generator - Code 128, EAN-13, UPC-A & MoreGenerate barcodes in 6 formats: Code 128, Code 39, EAN-13, EAN-8, UPC-A, and ITF. Auto check digit, live preview, PNG and SVG download. Free, runs in your browser.Generators
- 03Fantasy Name Generator - 10 Unique StylesGenerate unique fantasy names for characters, games, and stories. 10 styles including Elvish, Dwarven, and Sci-Fi. Free and instant.Generators
- 04Free QR Code Generator - URL, WiFi & MoreCreate free QR codes for URLs, text, WiFi, email, and phone numbers. Static codes that never expire. Works offline in your browser.Generators
Health
02 tools- 01BMI Calculator - Free Body Mass Index ToolCalculate your Body Mass Index based on height and weight. See your BMI category instantly. Free online health calculator.Health
- 02Calorie Calculator - BMR & TDEECalculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE). See calories for weight loss, maintenance, and weight gain.Health
Images
09 tools- 01Bulk Image Resizer - Batch Resize FreeResize multiple images at once with presets for social media, web, or custom sizes. Download all as ZIP. Free, browser-based.Images
- 02Compress Images Online - No Upload RequiredResize and compress JPG, PNG, and WebP images directly in your browser. Reduce file size up to 80% with no quality loss. Free and private.Images
- 03Free Stock Photo Search - 4 Sites at OnceSearch Unsplash, Pexels, Pixabay, and StockCake in one place. Find royalty-free images for any project. Free stock photo finder.Images
- 04Image Cropper - Aspect Ratio Presets FreeCrop images with aspect ratio presets (16:9, 1:1, passport) directly in your browser. No upload needed. Free online tool.Images
- 05Image Format Converter - PNG, JPEG & WebPConvert images between PNG, JPEG, and WebP formats with quality control. Free browser-based tool - no upload, instant results.Images
- 06Image Resizer - Exact Dimensions FreeResize images to exact dimensions or percentages. Maintains quality with browser-based processing. Free, private - no upload needed.Images
- 07Image to Text (OCR) - Free & PrivateExtract text from images using OCR. Supports PNG, JPG, WebP, and BMP. Runs entirely in your browser - no upload to any server.Images
- 08Image Watermark - Add Text Overlay FreeAdd text watermarks to images directly in your browser. Custom font, color, opacity, and position. No upload needed. Free tool.Images
- 09Screenshot Beautifier - Free & PrivateAdd beautiful backgrounds, padding, shadows, and browser frames to your screenshots. Like shots.so but fully client-side. Free tool.Images
Math
13 tools- 01Age Calculator - Exact Years, Months & DaysCalculate your exact age in years, months, and days from your date of birth. See total days alive and next birthday countdown.Math
- 02Aspect Ratio Calculator - Resize ProportionallyCalculate aspect ratios and resize dimensions while maintaining proportions. Common presets for video, photo, and design. Free online.Math
- 03Coin Flip - Heads or Tails OnlineFlip a virtual coin with realistic animation. Track statistics, streaks, and flip history. Fair, cryptographically random, and instant. Free online coin flipper.Math
- 04Date Calculator - Add Days & Find DifferencesCalculate the difference between two dates or add/subtract days from any date. Shows years, months, and days. Free online tool.Math
- 05Date Difference Calculator - Days BetweenCalculate the exact difference between two dates in years, months, days, weeks, and hours. Includes countdown feature. Free online tool.Math
- 06Decision Wheel - Spin to DecideEnter your options and spin the wheel to make a random decision. Colorful animated wheel with presets and localStorage. Free decision maker tool.Math
- 07Dice Roller - Roll Any Dice InstantlyRoll virtual dice for board games, RPGs, and probability experiments. Supports d4, d6, d8, d10, d12, d20, and d100. Cryptographically random, free, and browser-based.Math
- 08Length Converter - Meters, Feet & MilesConvert between meters, feet, inches, miles, kilometers, and 13 length units. Instant results with full reference table.Math
- 09Number Base Converter - Binary, Hex & MoreConvert between binary, octal, decimal, and hexadecimal number systems instantly. Free online tool for developers and students.Math
- 10Percentage Calculator - 4 Calculators in OneCalculate percentages instantly: X% of Y, percentage change, tip calculator and more. Four calculators in one free tool.Math
- 11Random Number Generator - Fast & SecureGenerate random numbers within any range. Unique or with duplicates, bulk generation, quick presets. Cryptographically secure.Math
- 12Unit Converter - Length, Weight & MoreConvert between length, weight, temperature, speed, and data units. Instant results with all common units. Free online tool.Math
- 13Weight Converter - kg, lbs, Stone & MoreConvert between kilograms, pounds, stone, ounces, tonnes and 12 weight units. Instant results with reference table. Free online.Math
Math& Finance
02 tools- 01Meeting Cost Calculator - Live TimerCalculate the true cost of meetings based on attendees and hourly rates. Includes a live meeting timer with running total. Free tool.Math & Finance
- 02Time Zone Converter - World Clock FreeConvert time between different time zones instantly. Compare multiple zones at once. Free online world clock and converter.Math & Finance
MediaTools
01 toolsNetworkTools
01 tools- 01Compress PDF Online - Reduce File Size FreeReduce PDF file size by up to 70% by rebuilding the document structure. Free, private, and instant - your files never leave your browser.PDF
- 02Image to PDF Converter - Free Online ToolConvert JPG and PNG images to PDF instantly. Choose A4 or custom size, drag to reorder. Free and browser-based - no upload required.PDF
- 03Merge PDF Files Online - Free & InstantCombine multiple PDF files into one document instantly. Free, no upload needed - everything runs in your browser. Drag to reorder pages.PDF
- 04PDF Text Extractor - Copy Text FreeExtract all text content from PDF files instantly. Client-side processing - your files never leave your device. Free online tool.PDF
- 05PDF to Image Converter - PNG & JPEG FreeConvert PDF pages to high-quality PNG or JPEG images. Free online tool - no upload needed. Works instantly in your browser.PDF
- 06Reorder PDF Pages - Drag & Drop FreeRearrange, reorder, or delete pages in a PDF file. Visual drag-and-drop interface. Download as new PDF. Free and browser-based.PDF
- 07Split PDF Online - Extract Pages for FreeExtract specific pages from a PDF or split it into multiple files. Select pages by range or individually. Free and browser-based.PDF
Productivity
03 tools- 01Online Stopwatch - Lap Times & PrecisionPrecise online stopwatch with lap times. Start, stop, and reset with one click. Free, works in any browser - no install needed.Productivity
- 02Pomodoro Timer - Free Online Focus TimerStay focused with the Pomodoro technique. 25 min work, 5 min break cycles with notifications. Free online timer - no install needed.Productivity
- 03Typing Test - Free WPM Speed TestTest your typing speed and accuracy in words per minute. Track WPM, accuracy, and character stats. Free online typing test.Productivity
Security
04 tools- 01Encryption Tool - AES-256 Browser-BasedEncrypt and decrypt text using AES-256-GCM, entirely in your browser. Your data never leaves your device. Free and secure.Security
- 02Hash Generator - SHA-256, SHA-512 & MoreGenerate SHA-1, SHA-256, SHA-384, and SHA-512 hashes securely in your browser. Uses Web Crypto API - your data never leaves your device.Security
- 03Password Strength Tester - Free & PrivateTest password strength with estimated crack time, entropy analysis, and pattern detection. Runs locally - your password never leaves your device.Security
- 04Strong Password Generator - Secure & RandomGenerate strong, secure passwords with customizable length and complexity. Uses browser cryptography for true randomness - nothing is stored or transmitted. Free online password generator.Security
SEO
07 tools- 01Keyword Density Analyzer - SEO CheckerAnalyze word frequency, n-gram density, and keyword distribution for SEO optimization. See overused and underused terms. Free tool.SEO
- 02Meta Tag Generator - SEO Tags in SecondsGenerate optimized SEO meta tags for your website. Title, description, Open Graph, robots, and canonical tags. Free with live preview.SEO
- 03Open Graph Preview - Social Share TesterPreview how your page will look when shared on Facebook, Twitter, and LinkedIn. Test Open Graph tags before publishing. Free tool.SEO
- 04robots.txt Generator - SEO Crawl ControlGenerate a robots.txt file to control search engine crawling. Set rules for specific bots and paths. Free online generator.SEO
- 05Schema Markup Generator - JSON-LD FreeGenerate JSON-LD structured data for better search engine results. Organization, Article, FAQ, Product and more schema types.SEO
- 06URL Slug Generator - SEO-Friendly SlugsGenerate SEO-friendly URL slugs from any text. Handles accents, special characters, and Unicode. Free instant tool.SEO
- 07XML Sitemap Generator - Free SEO ToolGenerate valid XML sitemaps from a list of URLs. Set custom frequency, priority, and last modified dates. Free online sitemap builder.SEO
Testing
04 tools- 01Credit Card Validator - Luhn Check FreeValidate credit card numbers using the Luhn algorithm. Detects card type (Visa, Mastercard, Amex). Free, private, browser-based.Testing
- 02Test BSN Generator - Dutch Elfproef ValidGenerate valid Dutch BSN test numbers that pass the elfproef (11-check). Perfect for development and testing. Free online tool.🇳🇱 Netherlands
- 03Test Document Number Generator - Dutch IDsGenerate Dutch test document numbers for ID cards, passports, and driving licenses. Valid format for development and testing.🇳🇱 Netherlands
- 04Test IBAN Generator - Valid Test IBANsGenerate valid test IBAN numbers for development and testing. Passes checksum validation. Free tool for developers and QA teams.Testing
Text
01 toolsText& Content
05 tools- 01Character Counter - Free Online Character Count ToolCount characters, words, sentences, and paragraphs with character frequency analysis. Live counting as you type. Free, private, no signup.Text & Content
- 02Citation Generator - APA, MLA & ChicagoGenerate APA 7th, MLA 9th, and Chicago style citations for websites, books, and journal articles. Copy formatted citations. Free.Text & Content
- 03Emoji Picker & Search - Copy InstantlySearch and copy emojis instantly. Browse by category, search by name, see recently used. Click to copy. Free online emoji finder.Text & Content
- 04Meme Text Generator - sPoNgEbOb, IMPACT, UwU & MoreTransform text into meme styles: sPoNgEbOb CaSe, IMPACT CAPS, uwu-ify, pirate speak, backwards, and zalgo text. One-click copy, free and instant.Text & Content
- 05Plagiarism Checker - Compare Texts FreeCompare two texts side by side and get a similarity percentage. Highlights matching sentences. Free, private - runs in your browser.Text & Content
Text& Speech
05 tools- 01Fancy Text Generator - Unicode Fonts FreeTransform your text into stylish Unicode fonts: bold, italic, cursive, gothic, and more. Copy-paste anywhere. Free instant generator.Text & Speech
- 02Text Case Converter - 7 Formats InstantlyConvert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case and more. Instant results, free online tool.Text & Speech
- 03Text Similarity Analyzer - Compare TextsCompare two texts for similarity using Jaccard, cosine, and Levenshtein algorithms. Get detailed similarity scores. Free and private.Text & Speech
- 04Text to Speech - Free Online TTSConvert text to speech using your browser's built-in voices. Choose voice, speed, and pitch. Free, private - no data uploaded.Text & Speech
- 05Word Counter & Character Counter - Free OnlineCount words, characters, sentences, and paragraphs with reading time estimate. Includes keyword density analysis and character count with and without spaces. Free, instant, and private.Text & Speech
Utilities
03 tools- 01Discount Calculator - Sale Price & SavingsCalculate sale price from discount percentage, stack multiple discounts, or find the discount rate. Add tax after discount. Free tool.Utilities
- 02Free Tip Calculator - Split Bills & Calculate Tips InstantlyCalculate the right tip amount and split the bill evenly. Free online tip calculator with custom percentages for restaurants, delivery, and group dining.Utilities
- 03Morse Code Translator - Text & Audio FreeConvert text to Morse code and back with audio playback. Hear the dots and dashes. Free, browser-based Morse code tool.Utilities
WebTools
02 tools- 01Domain Checker - Check Domain Availability InstantlyFree domain checker to search domain name availability across .com, .net, .org, .io and 16 TLDs. Check if a domain is available and find the perfect domain name for your website.Web Tools
- 02WHOIS Lookup - Domain Info & RegistrarLook up domain registration details: registrar, registration and expiry dates, name servers, and status. Free online WHOIS tool.Web Tools