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.
NewBrowse by Category
11 categoriesView all 194 tools (alphabetical)
HEIC to JPG Converter - Free iPhone Photo Converter
Free online HEIC to JPG converter. Convert iPhone HEIC photos to JPEG instantly. Batch convert unlimited photos. No upload, 100% private, browser-based.
NewHTML Formatter - Format & Beautify HTML
Free HTML formatter. Format, prettify and beautify HTML code with proper indentation and validation.
HTML Playground - Live HTML CSS JS Code Editor with Preview
Free online HTML playground with live preview. Write and test HTML, CSS, and JavaScript instantly. No signup, 100% private browser processing. AI cannot run your code - we do.
NewHTML Table Generator - Visual Table Builder Online
Free HTML table generator. Create responsive tables visually with editable cells, borders, striped rows, and live preview. Copy clean HTML code. No signup.
NewHTML to Markdown Converter - Free Online Tool
Free HTML to Markdown converter. Paste HTML, get clean Markdown with customizable heading style, bullet markers, code blocks, and link format. 100% private browser processing.
NewHTML to PDF Converter - Free Online HTML to PDF
Free HTML to PDF converter. Paste HTML code, customize page size, orientation and margins. Live preview, download as PDF. No upload, 100% private browser. AI cannot render HTML to PDF - we do.
NewHTTP Status & Header Checker - Response Code Security Audit
Free HTTP status checker. Check response codes, security headers, redirect chain, response time. AI cannot check real HTTP headers - we do.
NewImage Color Picker - Pick Colors from Photo Online
Free online image color picker. Upload any photo and click to pick exact pixel colors. Get HEX, RGB, HSL, CMYK values. No upload, 100% private browser processing. AI cannot extract pixel colors from images - we do.
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.
PopularImage 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.
NewImage Enhancer - Free Photo Quality Booster
Free image enhancer. Adjust brightness, contrast, saturation, vibrance, sharpness, denoise, HDR, color temp in real-time. 9 pro filters + 1-click Auto Enhance. 100% browser, no upload, no signup, no watermark.
NewImage Format Converter - Free Online JPG PNG WebP Converter
Free online image format converter. Convert between JPG, PNG, WebP, GIF, BMP, TIFF instantly. No upload, 100% private, browser-based conversion.
Image to Base64 Converter - Encode Images Online
Free online image to base64 converter. Convert any image to base64 string, data URI, HTML img tag, or CSS url(). Supports PNG, JPG, WebP, GIF, SVG. 100% private, no upload.
NewImage to PDF - Convert JPG PNG WebP HEIC to PDF Free
Free image to PDF converter. Combine JPG, PNG, WebP, HEIC, BMP, GIF into one PDF. Page size, orientation, margins. No upload, 100% private.
NewImage Upscaler - AI Enhance Photos to 4K
Free image upscaler to 2x, 3x, 4x. Edge-aware sharpening, denoise, browser-based. No upload, no signup, 100% private.
NewImage Vectorizer - Free PNG JPG to SVG Converter Online
Free image vectorizer. Convert PNG, JPG, WebP, BMP, GIF to scalable SVG vectors in your browser. 9 presets, color count, blur, threshold, path tolerance controls. 100% private, no upload, no signup. AI cannot vectorize - we do.
NewIP Address Lookup - Find Your IP Address
Free IP address lookup tool. Find your public IP, location, ISP, and geolocation data instantly. No signup required.
Is It Down? - Website Down Checker
Free website down checker. Check if any site is down for everyone or just you. Real-time HTTP status, response time. No signup. AI cannot check real-time website status - we do.
NewJSON Formatter - Format & Validate JSON
Free JSON formatter. Format, minify, beautify JSON and convert to YAML with syntax error detection.
PopularJSON 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.
NewJSON to XML Converter - Free Bidirectional Online Tool
Free JSON to XML converter and XML to JSON. Bidirectional with attribute handling, root element control, indentation options, and syntax validation. 100% private, no upload, no signup. AI cannot convert between JSON and XML reliably - we do.
NewJSON to YAML Converter - Free Bidirectional Tool
Free JSON to YAML converter and YAML to JSON. Bidirectional with indentation control, key sorting, syntax validation. 100% private, no upload, no signup.
NewJWT Decoder - Decode & Verify Tokens
Free JWT decoder. Decode tokens, inspect claims, verify signatures in your browser.
Live Sports Scores Tracker - NFL NBA MLB NHL Soccer
Free live sports scores tracker. Follow NFL, NBA, MLB, NHL and soccer in real-time. Updated every 30 seconds. No signup, no ads. AI cannot show live game scores - we do.
NewLoan Calculator - Mortgage & Extra Payment Optimizer
Free loan calculator that shows more than just your payment. See how extra payments save thousands, when PMI drops, and when you own your home free.
Lorem Ipsum Generator - Free Placeholder Text
Free Lorem Ipsum generator for designers and developers. Generate placeholder text by paragraphs, sentences, or words. Start with classic Lorem ipsum or randomized. No signup, browser-based.
NewMermaid Diagram Generator - Free Flowchart & Diagram Maker
Free online Mermaid diagram generator. Create flowcharts, sequence diagrams, class diagrams, ER diagrams, Gantt charts from text. Live preview, SVG/PNG export. No signup, 100% private browser processing. AI cannot render diagrams - we do.
NewMeta Tag Generator - Free SEO Tool
Free SEO meta tag generator. Create title tags, meta descriptions, OG, and Twitter Cards with live SERP preview. Character counting, copy HTML. No signup.
NewMock Data Generator - Free Fake Test Data Online
Free mock data generator. Generate realistic fake test data as JSON, CSV, or SQL. Presets for users, products, companies, addresses, blog posts, transactions. No signup, 100% private browser tool. AI cannot generate consistent test data - we do.
NewMorse Code Translator - Encode/Decode Morse Code
Free Morse code translator. Encode text to Morse code and decode Morse back to text. Instant conversion, audio playback, and copy functionality.
Mortgage Calculator with PMI, Tax & Insurance
Free mortgage calculator with PMI, property tax, insurance, HOA. Shows true monthly payment, total cost, amortization schedule, and affordability.
NewNumber to Words Converter - Spell Out Numbers in English
Free number to words converter. Convert any number to English words for checks, invoices, legal docs. Supports decimals, currency, lakh/crore. 100% accurate. No signup.
NewOn This Day in History - Historical Events & Famous Births
Discover what happened on this day in history. Free database of major historical events, famous births, notable deaths, and holidays. Updated daily. No signup.
NewOnline Chart Maker - Bar, Line, Pie & Radar
Free online chart maker and graph generator. Create bar, line, pie, doughnut, and radar charts with customizable colors and data. Export PNG. No signup, 100% private browser processing. AI cannot draw accurate charts - we do.
NewOnline Metronome - Free BPM Beat & Practice Tool
Free online metronome with tap tempo, time signatures, subdivisions, and visual beat indicator. Practice with precision timing for any instrument. 100% browser-based, no signup.
NewPassport Photo Maker - Free Online 2x2, 35x45mm, 35x35mm
Free online passport photo maker. Create compliant US 2x2, Schengen/UK 35x45mm, India 35x35mm, China 33x48mm photos. Auto white background, print sheet (4x6/A4), 100% private browser processing.
NewPassword Generator - Create Strong Passwords
Generate strong, secure passwords with real-time strength analysis. Learn what makes a password secure.
PopularPassword Strength Checker - Analyze & Test Password Security
Free online password strength checker with entropy, crack time estimation for 3 scenarios, character analysis, and breach check via HIBP k-anonymity. 100% private browser. No signup.
NewPDF Compressor - Free Online File Size Reducer
Free PDF compressor with 4 levels (light, medium, strong, aggressive). 100% private browser processing, no upload, no signup, no daily limit, no watermark. AI cannot process binary PDFs.
NewPDF Editor - Edit, Rotate, Delete, Annotate PDF Pages
Free online PDF editor. Rotate, delete, reorder pages, add text annotations, crop, and extract pages. No upload required - works entirely in your browser.
PDF Merger - Combine Multiple PDFs into One
Free online PDF merger. Combine multiple PDF files into one with drag-drop reordering, visual preview, and compression. No upload limit. Works in browser.
PDF to Image Converter - Free Online JPG PNG WebP
Free PDF to image converter. Convert PDF pages to JPG, PNG, or WebP. Choose DPI (72-300), quality, page range. Preview thumbnails, 100% private browser processing, no upload, no signup, no watermark.
NewPDF to Word Converter - Free DOCX Online
Free PDF to Word converter. Extract text from PDF to editable DOCX, RTF, or TXT. 100% private browser processing, no upload, no signup, no daily limit, no watermark. AI cannot generate valid .docx files.
NewPDF Unlocker - Remove Password Online Free
Free online PDF unlocker. Remove password protection from PDF files entirely in your browser. AES-128/256, no upload, no signup, no daily limits. 100% private. AI cannot unlock encrypted PDFs - we do.
NewPercentage Calculator - Find %, Increase, Decrease & Difference
Free percentage calculator online. Calculate X% of Y, increase/decrease, reverse percentage, and add/subtract percent. Instant results, no signup.
Photo Collage Maker - Free Online Image Combiner
Free online photo collage maker. Combine multiple images into beautiful collages with 8 layout templates, custom spacing, background color. No signup, no upload, 100% private browser processing. AI cannot create visual collages - we do.
NewProxy Checker - Free IP Proxy Detection Tool
Free online proxy checker. Detect if an IP address is a proxy, VPN, or Tor exit node. Check IP geolocation, WHOIS, and open proxy ports.
QR Code Generator - Create QR Codes Free
Free QR Code Generator. Create QR codes for URLs, text, WiFi, email, SMS, vCards. Download as PNG.
PopularQR Code Reader - Decode QR Codes from Image & Camera
Free online QR Code Reader. Decode QR codes from images, screenshots, or live camera. Extract URLs, WiFi passwords, vCards instantly. 100% private browser processing. No signup. AI cannot scan real QR codes - we do.
NewRandom Generator - Number, Dice, Coin, Wheel & Decision Maker
Free online random generator: pick random numbers, roll dice, flip coins, spin a wheel, or make decisions. True randomness via crypto API. No signup, no ads.