Your files never
leave your device.
Privacy-first tools for images, PDFs, developers, health, finance and more. Everything runs in your browser using WebAssembly. Nothing is uploaded.
✓Zero upload
✓No login needed
✓Works offline
✓Open DevTools to verify
106
Free tools
0
Files ever uploaded
100%
Runs in browser
50+
Guides & tutorials
Popular tools
View all 106Image Compressor
Compress JPG, PNG, WebP images online free. Reduce file size up to 80% without losing quality.
PDF Merger
Merge multiple PDF files into one online free. Drag to reorder.
JSON Formatter
Format, validate and minify JSON online free. Instant client-side processing.
QR Code Generator
Generate QR codes for URLs, WiFi, vCards, email and text. Custom colors and logo.
Word Counter
Count words, characters, sentences, and reading time in real-time.
BMI Calculator
Calculate Body Mass Index with healthy weight range and target weight calculator.
Invoice Generator
Create professional invoices online free. Download as PDF. No signup, no watermark.
Meta Tag Generator
Generate complete SEO meta tags, Open Graph and Twitter Card tags with live Google preview.
🔒
Privacy guaranteeMathematically impossible to intercept.
All tools use WebAssembly running inside your browser tab. Open Chrome DevTools → Network → use any tool → you'll see exactly zero upload requests. This is proof, not a promise.
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