190 free tools, in your browser
What do you need
to get done?
— No sign-up— No tracking— Runs on your device— Free API
Most used this week
View all 190 →- 01JSON Formatter & Validator Format, validate, and minify JSON with instant error highlighting. Pinpoints syntax errors. Free, private, browser-based.Developer Tools
- 02Word Counter & Character Counter Count 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
- 03Compress Images Online Resize 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
- 04Regex Tester Test regular expressions with live matching and highlighting. Supports all flags and capture groups. Free online regex debugger.Developer Tools
- 05Color Picker Pick colors from a visual spectrum and get HEX, RGB, and HSL values. Save history, view harmonies. Free online color picker.Design
- 06Strong Password Generator Generate strong, secure passwords with customizable length and complexity. Uses browser cryptography for true randomness - nothing is stored or transmitted. Free online password generator.Security
- 07Merge PDF Files Online Combine multiple PDF files into one document instantly. Free, no upload needed - everything runs in your browser. Drag to reorder pages.PDF
- 08Free QR Code Generator Create free QR codes for URLs, text, WiFi, email, and phone numbers. Static codes that never expire. Works offline in your browser.Generators
- 09Base64 Encoder & Decoder Encode text to Base64 or decode Base64 back to text instantly. Full Unicode support. Free, private, browser-based.Developer Tools
- 10Markdown Editor Split-pane Markdown editor with live HTML preview. Write, preview, and export Markdown instantly. Free online editor - works instantly in your browser.Developer Tools
AI-powered tools
All AI tools →- 01AI Email WriterGenerate professional emails instantly with AI. Choose tone, type, and key points. Free email generator powered by AI.AI
- 02AI Tone ChangerChange the tone of any text instantly with AI. Convert formal to casual, professional to friendly, and more. Free online tone converter.AI
- 03AI Blog Outline GeneratorGenerate detailed blog post outlines with AI. Choose audience, length, and style. Get SEO-optimized structures in seconds. Free online tool.AI
- 04AI Prompt Generator Build structured prompts for ChatGPT, Claude, and other AI models. Select role, task, context, and format. Free prompt engineering tool.AI
- 05AI Text Analyzer Analyze text patterns: sentence variation, vocabulary diversity, repetition, and burstiness scores. Free writing analysis tool.AI
- 06AI Content Detector Analyze text for AI-generated patterns using perplexity, burstiness, and vocabulary diversity. Free, private - runs entirely in your browser.AI
Developer API
Integrate any tool
into your workflow.
15 REST endpoints. JSON in, JSON out. Free tier with 1,000 calls per month. No credit card to get started.
View API docs →$ curl -X POST \ toolforte.com/api/v1/tools/json-formatter \ -H "Content-Type: application/json" \ -d '{"json":"{\"hi\":1}"}' // 200 OK { "ok": true, "data": { ... }
Why Toolforte
Runs in your browser.
Just open and use.
Instant
Everything runs client-side via WebAssembly and the Canvas API. No server roundtrips, no waiting.
Private
Your files stay on your device. Nothing gets uploaded. Nothing gets tracked. Nothing gets stored.
Free
All browser-based tools are free with no limits. Pro and API features available when you need more.
Ready to get started?
190 free browser tools, AI-powered features, and a developer API. No account needed.