Share code snippets, logs, and text with a shareable link. Syntax highlighting for 30+ languages, expiration controls, and password protection for Pro users.
Estimate token count for GPT-5, Claude 3, Gemini, and Llama models. Paste any text to see token usage and estimated API cost instantly.
Complete ASCII table with all 128 characters. View decimal, hex, octal, and binary values. Search, filter by category, copy characters, and export as CSV.
Upload an image or video to instantly detect its exact pixel dimensions, aspect ratio, and the closest standard ratio like 16:9 or 4:3. Free and private.
Parse any AWS ARN into partition, service, region, account ID, and resource, or build a valid ARN from scratch. Free, browser-based, no signup required.
Guided breathing exercises with animated visual cues. Practice Box Breathing, 4-7-8, Wim Hof, Deep Breathing, and Resonant Breathing with audio phase cues and session tracking.
Count characters, words, sentences, and paragraphs in real time. Check text against platform limits for Twitter, Instagram, YouTube, SEO meta tags, SMS, and Google Ads.
chmod calculator converts Linux file permissions between octal (755) and symbolic (rwxr-xr-x) formats visually. Free, browser-based, and no login needed.
Test how fast you can click with this free CPS (Clicks Per Second) test. Choose from 5s, 10s, 30s, or 60s durations and track your personal best click speed score.
Mix any two colors by blending them at a custom ratio and get the resulting HEX, RGB, and HSL values instantly. Perfect for creating color palettes, gradient stops, and accessible UI mid-tones.
Find the exact name of any color from its HEX or RGB value. Get color name, closest named color, HSL, HSV, and CMYK values instantly.
Find the nearest Tailwind CSS color class for any hex, rgb(), or hsl() color. Matches against the full Tailwind v3 palette and shows the top 12 closest colors with swatches and class names.
Parse and build database connection strings for PostgreSQL, MySQL, MongoDB, and Redis instantly in your browser. Extract host, port, credentials, and query params. Free, no signup.
Create countdown timers to any date or event. Track time remaining in days, hours, minutes, and seconds. Perfect for deadlines, events, and holidays.
Resolve ISO country codes to retrieve metadata including region, income level, and capital city in one lookup - runs entirely in your browser.
Look up detailed information for any country worldwide - capital, population, area, currencies, languages, timezones, flag, and ISO codes instantly.
Look up detailed information about any country - capital, population, area, languages, currencies, timezones, and flag. Powered by the REST Countries API.
Parse cron expressions into plain English descriptions, field breakdowns, and validation feedback without making any server request.
Check live cryptocurrency prices for the top 500 coins by market cap. Displays real-time price, 24h change, market cap, and trading volume via the free CoinGecko API. Export data as JSON for developer workflows.
Visually generate CSS cubic-bezier() easing functions for animations. Adjust control points with sliders, pick from presets like ease, bounce, and elastic, preview the animation live, and copy the CSS value.
Extract, reorder, and filter CSV columns online. Upload files up to 200 MB or paste CSV directly. Select which columns to keep, reorder them, and download the result. Free, browser-based.
Convert curl commands to JavaScript fetch, Axios, or Python requests code instantly. Paste your curl command and get clean, ready-to-run code.
Roll virtual dice online for free. Choose from d4, d6, d8, d10, d12, and d20 dice. Roll multiple dice at once with animated results and roll history.
Compare two texts and find differences with side-by-side and unified views. Highlight changes at word or character level with clean, intuitive interface.
Extract all valid email addresses from text, HTML, CSV, or documents. Remove duplicates and download results as TXT or CSV - free.
Search, browse, and copy emojis instantly. Browse by category, search by name, view recently used, and copy to clipboard with one click.
Compare two .env files and see added, removed, and changed variables instantly. Understands comments, quotes, and export prefixes. Free, private tool.
Find and replace text with support for regex, case-sensitive matching, whole word search, and multi-line replacement. Preview changes before applying.
Flip a virtual coin online with true 50/50 probability. Track flip history, see heads vs tails statistics, and make quick random decisions. Free coin toss simulator.
Preview 100+ Google Fonts live in your browser. Adjust size, weight, style, and letter spacing, then copy the ready-to-use HTML link tag and CSS code.
Browse and copy all HTML entities - symbols, punctuation, math, arrows, and currency - as entity name, decimal code, or hex code.
Check ISBN-10 and ISBN-13 codes to fetch book metadata including title, publisher, publication date, and page count - free, no signup.
Obfuscate JavaScript code to make it harder to read and reverse-engineer. Remove comments, encode strings to unicode escapes, compact whitespace, and optionally wrap with eval/base64 encoding.
JavaScript playground runs your JS code instantly in a sandboxed browser tab with live console output, top-level await, timing and error traces. Free, no signup, nothing uploaded.
JSON merge combines two JSON objects with deep merging and configurable conflict handling for arrays and duplicate keys. Free, browser-based, no signup.
JSONPath tester evaluates expressions against your JSON and lists every matched node with its exact path. Filters, wildcards, slices. Free.
Test every key on your keyboard and see key name, key code, scan code, and modifier states instantly. Diagnose keyboard issues and find JavaScript key codes for development.
JavaScript keycode finder: press any key to see event.key, event.code and the deprecated keyCode, plus modifier states and a ready-to-paste snippet. Free, runs in your browser.
Shuffle, sort, reverse, or pick random items from any list. Paste items one per line and instantly randomize, sort A-Z, sort by length, or select N random winners.
Find your love compatibility percentage! Enter two names and get instant love score, compatibility breakdown across 8 traits, and fun results to share. Perfect for Valentine's Day.
Make obfuscated Lua readable in your browser. Reindent blocks, decode string.char sequences, unescape hex and decimal string escapes, and convert hex numbers. Free readability helper, not a decompiler.
Obfuscate Lua source code in your browser. Strip comments, minify whitespace, rename local variables, and encode strings as string.char sequences. Free, private, client-side Lua obfuscator, no upload.
Write and preview Markdown in real-time with a split-pane editor. Supports GitHub Flavored Markdown, tables, code blocks, and export to HTML.
Test your microphone online for free. See a real-time audio waveform, measure volume levels, and check your mic's sample rate and settings.
npm to yarn pnpm command converter translates install, add, remove, and run commands between npm, Yarn, pnpm, and Bun instantly. Free, browser-based.
Format any number instantly with thousand separators, currency symbols, scientific notation, engineering notation, Indian numbering system, and data size conversion. Copy any format with one click.
Free online guitar tuner that uses your microphone to detect pitch in real time. Shows note, cents deviation, and tuning needle. Works for guitar, bass, ukulele, and violin.
Free online metronome for musicians. Set tempo from 20 to 240 BPM, choose time signature (2/4, 3/4, 4/4, 6/8), and practice with click, wood block, or beep sounds. Includes tap tempo.
Free online notepad with auto-save, customizable fonts, find & replace, word count, and file upload/download. No registration required - works entirely in your browser.
Free online stopwatch with lap tracking, split times, and millisecond precision. Start, stop, reset, and record laps instantly in your browser.
Merge multiple PDF files into one document online for free. Drag to reorder, preview page counts, and download the combined PDF. 100% browser-based, no upload needed.
PDF metadata viewer shows page count, title, author, creation and modified dates straight from the file, all inside your browser. Free, no signup, no upload.
Add password protection to PDF files online. Secure your documents with user and owner passwords and download the protected PDF instantly.
Remove password protection from PDF files online. Enter the existing password and download an unlocked PDF copy instantly in your browser.
PDF rotator lets you rotate PDF pages 90, 180, or 270 degrees online, all pages or just the ones you pick, then download the fixed file. Free, private, no upload.
Split PDF files online into separate documents or custom page ranges. Extract every page or chunk a large PDF every N pages directly in your browser.
Boost your productivity with the Pomodoro Technique. Customizable work and break intervals, session tracking, audio notifications, and focus statistics.
Look up ZIP and postal code metadata by country to retrieve matching city and state location details instantly - no data sent to any server.
Search and discover 1,400+ free public APIs across 50+ categories. Filter by authentication type, CORS support, and HTTPS to find the perfect API for your next project.
Look up public and national holidays for any country and year. Covers 100+ countries with dates, holiday names, and types.
Scan and decode QR codes from images or camera. Upload a QR code image or use your webcam to read QR codes instantly. Free online QR code scanner.
Pick a random item from any list instantly. Paste names, options, or items and let the tool randomly select one or multiple entries. Perfect for giveaways, decisions, and classroom picks.
Build weekly schedules with sessions, times, locations, and notes. Preview the plan instantly and export it as Markdown or JSON.
Pick any color from your screen using the browser's native EyeDropper API. Get HEX, RGB, and HSL values instantly. Build and export color palettes as CSS variables.
Check your screen resolution, viewport size, device pixel ratio, color depth, and device type instantly in your browser.
Bump semantic versions (major/minor/patch/pre-release), compare two versions, and validate whether a version satisfies an npm-style range like ^1.2.3 or >=2.0.0 <3.0.0.
Test semantic version ranges against a list of versions. Supports npm semver syntax including ^, ~, >=, <, ||, and exact versions. Free, browser-based, no install needed.
Real-time character counter for Twitter/X, Instagram, LinkedIn, TikTok, Threads, Pinterest, and YouTube with platform-specific limits.
Spin a customizable random wheel to make decisions, pick winners, or choose what to eat. Add up to 20 options with animated spinner. Fair and random every time.
Generate smooth SVG wave shapes for website section dividers and backgrounds. Control amplitude, frequency, colors, and wave style, then download the SVG or copy the code.
Text chunker splits long documents into overlapping chunks for embeddings and RAG, with recursive paragraph and sentence boundaries. Free, browser-based, no signup.
Text line sorter - sort alphabetically, numerically, or by length, reverse order, and remove duplicates. Free, no signup required.
Find the IANA timezone, current local time, and UTC offset for any city worldwide - live clock updates every second, no install needed.
Test your typing speed and accuracy with this free online typing test. Measure Words Per Minute (WPM), Characters Per Minute (CPM), and accuracy with real-time feedback.
Unicode normalizer converts text between NFC, NFD, NFKC, and NFKD forms and shows codepoint, UTF-16, and UTF-8 counts, so lookalike strings stop breaking equality checks.
URL extractor pulls every link out of text, HTML, or log files, removes duplicates, and counts domains. Free, browser-based, exports to CSV or markdown.
Vim commands lookup: search real commands by task - exit vim, delete a line, search and replace across a file. Grouped by mode with practical notes. Works offline, free.
Look up real-time weather conditions for any city worldwide. Get current temperature, humidity, wind speed, UV index, and sky conditions using the free Open-Meteo API. No API key required.
Take a picture with your webcam in the browser. Countdown timer for self-portraits, instant PNG download. Nothing is uploaded, 100% private.
Test your webcam online for free. See a live camera preview, check your webcam's resolution, frame rate, and facing mode. Works with built-in and USB webcams.
Look up definitions, pronunciations, synonyms, antonyms, and usage examples for any English word. Powered by the Free Dictionary API with audio pronunciation support.
Track time across multiple cities and timezones simultaneously. Features real-time updates, DST support, day/night indicators, and time comparison table.
Download any YouTube thumbnail in HD up to 1280x720, Shorts included. Paste a watch link, youtu.be link or video ID. Free, no signup, no watermark.
ZIP file creator builds a compressed .zip archive from your files or a whole folder, with four compression levels and real size stats. Free, no upload and no signup.