Developer tools that work.
194 free utilities for code formatting, file conversion, calculations, AI assistance, and more. No signup, no upload, no tracking.
Popular Tools
8 most-usedFree AI Chat - No Login, No Signup
Free AI chat powered by Llama 3.3 70B. No login, no signup, no tracking. Coding, writing, math, brainstorming. Conversations stay in your browser.
NewFree Online Calculator - Math Problem Solver
Free online calculator with scientific functions, unit conversion, loan calculator, and BMI calculator. No signup required, works in any browser.
Calorie Calculator - Free TDEE BMR & Macro Calculator
Free calorie calculator. Calculate your TDEE, BMR, and optimal macros for weight loss, maintenance, or muscle gain. Mifflin-St Jeor equation, no signup, 100% private. AI cannot compute accurate metabolic formulas.
NewFree Email Signature Generator - Outlook Gmail HTML
Pro email signature generator. 10 table-based templates, MSO compatible, base64 photo embedding, click-to-call phones, social icons. Outlook + Gmail + Apple Mail ready. No signup, no tracking, 100% private browser tool. AI cannot produce email-client-compatible HTML.
NewImage Compressor - Reduce Image File Size Online Free
Free online image compressor. Reduce image file size without losing quality. Supports JPG, PNG, WebP. No upload, privacy-first processing.
Image Cropper - Crop Photos Free Online with Aspect Ratio Presets
Free online image cropper. Crop photos with aspect ratio presets, rotate, flip, zoom. Social media sizes for Instagram, Facebook, Twitter. No upload, 100% private browser processing. AI cannot crop your photos - we do.
NewJSON Formatter - Format & Validate JSON
Free JSON formatter. Format, minify, beautify JSON and convert to YAML with syntax error detection.
JSON to CSV Converter - Bidirectional Online Data Converter
Free JSON to CSV converter and CSV to JSON online. Flatten nested objects, auto-detect input, table preview, export file. 100% private browser processing. AI cannot convert data reliably - we do.
NewRecently Updated
2 toolsAudio Cutter & Trimmer
Free online audio cutter and trimmer. Cut and trim MP3, WAV, M4A, FLAC, OGG with waveform precision. No upload, 100% private.
Grade Calculator - Weighted Average, Final Exam & GPA
Free grade calculator. Calculate weighted average grades, what you need on the final exam, and GPA. No signup, 100% private browser tool. AI gets grade math wrong - we don't.
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Free AI PPT Maker - Generate Editable PowerPoint Slides
Free AI PPT maker with 4 professional styles. Generates real editable .pptx files in 10 seconds. No signup, no watermark, no daily limit. Uses Groq Llama 3.3 70B + PptxGenJS. 10 languages. AI cannot generate valid .pptx binary.
NewFree AI Resume Builder - Professional Resume Generator
Free AI-powered resume builder. Enter your details and get a professionally formatted resume instantly. No signup required.
Free AI Translator - AI Multi-Language Translation
Free AI translator supporting 50+ languages. Translate text instantly with context-aware translations. No signup required.
Free ATS Resume Checker - Score & Scan Your Resume
Free AI-powered ATS resume checker. Score your resume 0-100 against any job description. Detects missing hard skills, soft skills, keywords, and ATS format issues. 5-priority Jobscan-style scoring, AI suggestions, 100% private. No signup, unlimited scans. 99% of Fortune 500 use ATS - this tool beats them.
NewFree Audio Converter - Convert MP3, WAV, FLAC, OGG, AAC
Free online audio converter. Convert between MP3, WAV, FLAC, OGG, M4A, AAC, OPUS, AIFF. Adjust bitrate, sample rate, channels. No upload, 100% private, in-browser FFmpeg.wasm.
NewFree Binary Hex Converter - Convert Binary to Decimal, HEX, ASCII
Free online binary hex converter. Convert between binary, decimal, hex, and ASCII text. Instant conversion, no upload needed. Developer tool for encoding.
Free BMI Calculator - Body Mass Index Checker
Free BMI calculator to check your body mass index. Supports metric and imperial units. Instant results with health category classification. No signup required.
Free Book Search & ISBN Lookup - 30M+ Open Library
Search 30+ million books by title, author, or ISBN-10/ISBN-13. Get covers, publisher, year, page count, subjects, and links to Open Library, Google Books, WorldCat, Amazon. AI cannot accurately recall book metadata - we use the live Open Library catalog. No signup, 100% private.
NewFree Case Converter - Convert Text Case Online
Free online case converter. Convert text to uppercase, lowercase, title case, sentence case, camelCase, snake_case, kebab-case, and more. Instant results.
Free Citation Generator - APA, MLA, Chicago
Free AI citation generator. Generate citations in APA, MLA, Chicago, Harvard, and IEEE formats. Just describe your source and get a formatted citation.
Free Color Palette Extractor - Extract Colors from Image
Free online color palette extractor. Extract dominant colors from any image as HEX, RGB, HSL values. Download CSS variables or JSON. No signup required.
Free Currency Converter - 166+ Currencies Exchange Rates
Free currency converter. Convert between 166+ world currencies instantly. Live exchange rates, swap currencies, search by country or currency code.
Free Daily Horoscope - Personalized Astrology & Birth Chart
Free personalized daily horoscope. AI cannot compute real planetary transits or natal charts - we use astronomy-engine for accurate sun sign, moon sign, 2026 forecasts. 6 languages, 100% private.
NewFree Email Signature Generator - Outlook Gmail HTML
Pro email signature generator. 10 table-based templates, MSO compatible, base64 photo embedding, click-to-call phones, social icons. Outlook + Gmail + Apple Mail ready. No signup, no tracking, 100% private browser tool. AI cannot produce email-client-compatible HTML.
NewFree English Dictionary - Definition, Pronunciation, Synonyms
Free English dictionary with real-time definitions, audio pronunciation (US & UK), phonetic transcription, synonyms, antonyms, and examples. No signup, no tracking, 100% private.
NewFree Grammar Checker - AI Error Explanation
Free AI grammar checker that not only corrects your English but explains why it's wrong. Perfect for learning proper grammar rules.
Free Image Resizer - Resize Images Online Free
Free online image resizer. Resize images to exact dimensions for social media, web, email. No upload - privacy-first client-side processing. Support JPG.
Free Image to Text (OCR) - Extract Text from Images Online
Free online OCR tool to extract text from images. Supports English, Chinese, Japanese, Korean and 10+ languages. 100% private, in-browser processing.
Free Invoice Generator - PDF Invoice Maker Online
Free online invoice generator. Create professional invoices with tax, discount, 30+ currencies, and PDF download. 3 templates (Freelancer, Consulting, Service). No signup, no watermark, 100% private browser processing. AI cannot do fixed-precision tax math reliably - we do.
NewFree Logo Maker - Design Custom Logos Online
Create a professional logo with 60+ icons, custom fonts, and colors. Download PNG and SVG. No signup, no watermark, 100% free.
NewFree Lottery Number Generator - Random Pick 3/4/5/6
Free lottery number generator. Pick 3, Pick 4, Pick 5, and Pick 6 games. Generate random winning numbers for Powerball, Mega Millions, and more. No signup.
Free Markdown Editor & Preview - Live MD to HTML Converter
Free online markdown editor with live HTML preview. Write markdown, see rendered output instantly. GitHub Flavored Markdown, syntax highlighting, copy HTML. No signup, 100% private browser processing. AI cannot render live markdown previews - we do.
NewFree Old Photo Restoration - Repair & Restore
Free old photo restoration. Repair scratches, dust, faded colors, low contrast, grain. 4 specialized modes (auto, scratch, sharpen, color). 100% browser, no upload, no signup. AI cannot access your private photos - we can.
NewFree Online Barcode Generator - Create QR Code, UPC, EAN, Code 128
Free online barcode generator. Create QR codes, UPC, EAN, Code 128, Code 39 and more. Download as PNG/SVG. No signup required, 100% free.
Free Online Calculator - Math Problem Solver
Free online calculator with scientific functions, unit conversion, loan calculator, and BMI calculator. No signup required, works in any browser.
PopularFree Online Math Solver - Step-by-Step Solutions
Free online math solver with step-by-step solutions. Solve algebra, equations, fractions, and more. No signup required, instant results.
Free Online Meme Generator - Create Memes with Templates
Free online meme generator. Upload images or use templates, add top and bottom text, customize fonts. Download as PNG. No signup, no watermark.
Free Online Notepad - Quick Notes in Browser
Free online notepad that saves your notes automatically. No signup, no login. Type and your notes are saved in your browser instantly.
Free Online Screen Recorder - No Download, No Watermark
Free online screen recorder - no download, no signup, no watermark. Record screen, webcam, and mic in browser. 100% private, stays on your device.
Free Online Timer & Stopwatch & Interval Trainer
Free online timer, stopwatch, and interval trainer. Pomodoro for work, Tabata/HIIT for fitness. No signup required. Privacy-first browser-based timing.
Free Package Tracker - Track Any Carrier
Free universal package tracker. Enter any tracking number and automatically detect the carrier. Track USPS, UPS, FedEx, DHL, Amazon, and more. No signup.
Free PDF Splitter - Split PDF Pages Online Free
Free online PDF splitter. Extract specific pages or split PDF into multiple files. No upload needed - privacy-first client-side processing.
Free Personality Test - 16 Personalities MBTI Type
Free 60-question personality test based on the 16 personalities framework. Get your 4-letter MBTI type with strengths, careers, relationships. No signup, 100% private. AI gives inconsistent guesses - we use validated scoring.
NewFree Screenshot Annotation Tool - Edit and Annotate Screenshots
Free online screenshot annotation tool. Upload images to annotate with arrows, text, rectangles, circles and blur. Download or copy with no watermarks.
Free Speed Test - Internet Speed Checker
Free internet speed test. Check your download speed, upload speed, and latency instantly in your browser. No software install needed.
PopularFree Stock Price Tracker - Real-Time Stock Quotes
Free stock price tracker. Get real-time stock quotes, price changes, highs, lows, and volume for any stock symbol. No signup required.
Free Sudoku - Daily Challenge & 4 Difficulty Levels
Free online Sudoku. 4 difficulty levels (Easy/Medium/Hard/Expert), daily challenge, hints with logic explanation, pencil notes, statistics. 100% private, no signup, no ads, no tracking.
NewFree Text Diff Checker - Compare Text & Code Online
Free online text diff checker to compare text and code. Side-by-side view with syntax highlighting. Compare JSON, XML, code files and find differences.
Free Time Zone Converter - World Clock
Free time zone converter. Convert time between cities instantly. See current time in multiple locations. No signup required.
Free Tip Calculator - Quick & Easy Restaurant Tip Tool
Free tip calculator for restaurants. Calculate tip amount, split bills, and see per-person cost. Works offline, no signup required. Instant results.
Free Typing Test - WPM, Accuracy & Code Mode
Free online typing test with WPM, accuracy, and code snippet modes (JavaScript, Python, SQL, HTML). No signup. Practice common words, quotes, numbers, and programming syntax. Privacy-first.
NewFree Unit Converter - Convert Length, Weight, Temperature & More
Free online unit converter. Convert between length, weight, temperature, volume, speed, area, data, time, and pressure units instantly. No signup required.
Free URL Shortener - Shorten Long Links Instantly
Free URL shortener. Shorten long links instantly with no signup. Create clean, shareable short URLs for social media, messaging, and more.
Free Venn Diagram Maker - 2, 3, 4 Circles Online
Create 2, 3, or 4 circle Venn and Euler diagrams in your browser. Custom labels, colors, area-proportional sizing, SVG/PNG export. No signup, 100% private. AI cannot draw accurate set relationships - we do.
NewFree Weather Forecast - Live 7-Day Weather & Interactive Charts
Free weather forecast tool. See current weather, 7-day forecast, hourly details. AI cannot show real-time weather with visual charts.
Free YAML Validator - Validate & Format YAML Online
Free YAML validator and formatter. Validate YAML syntax, fix errors with line numbers, and format YAML for better readability. No signup required.
GIF to MP4 Converter - Free Online GIF to Video
Free GIF to MP4 converter online. Convert animated GIFs to MP4 video with H.264 compression. Reduce file size 90%. Quality control, resolution, FPS options. 100% private, no upload, no signup. AI cannot convert GIF to video — we do.
NewGold Price Tracker - Live Spot Gold Prices & Charts
Track live gold spot prices (XAU/USD). Free real-time gold price tracker with interactive charts. Updated every minute. No signup required.
Grade Calculator - Weighted Average, Final Exam & GPA
Free grade calculator. Calculate weighted average grades, what you need on the final exam, and GPA. No signup, 100% private browser tool. AI gets grade math wrong - we don't.
NewHash Generator - MD5 SHA-1 SHA-256 SHA-512
Generate cryptographic hashes: MD5, SHA-1, SHA-256, SHA-512. Compute checksums instantly in your browser.