Simple tools that respect your privacy
Compress images, merge PDFs, convert units, format JSON and more — all running locally in your browser, in your language.
Private by design
Files are processed on your device with WebAssembly and Canvas. Nothing is uploaded to a server.
Instant & offline-friendly
No round trips to a server means results are immediate, even on a slow connection.
Built for the world
Available in multiple languages with locale-aware number, date and currency formatting.
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Browse by category
File conversion & compression
Compress and convert images and PDFs entirely in your browser — no uploads.
18tools
Units, currency, time & numbers
Convert between units, currencies, time zones and number bases.
6tools
Developer & text utilities
Format, encode, decode, hash and inspect text and data.
27tools
Security & encryption
Generate passwords, hashes, tokens and encrypt text — all in your browser with Web Crypto.
5tools
Design & CSS
Generate CSS gradients, shadows and color scales and check contrast — copy-ready code.
5tools
SEO & marketing
Build meta tags, Open Graph, UTM links and other SEO snippets in your browser.
2tools
Generators
Generate QR codes, sample data and other handy outputs — entirely client-side.
1tools
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Popular tools
HEIC to JPG Converter
Convert iPhone HEIC photos to JPG instantly, without uploading them.
Image Compressor
Compress JPG, PNG and WebP images to reduce file size, right in your browser.
Image Converter
Convert images between PNG, JPG and WebP formats locally — no upload.
Image Resizer & Cropper
Resize or crop images to exact dimensions in your browser.
Image to PDF
Turn JPG and PNG images into a single PDF document locally.
Merge PDF
Combine multiple PDF files into one, reorder pages — fully client-side.
Organize PDF Pages
Rotate, delete and reorder PDF pages without uploading your file.
Split PDF
Extract pages or split a PDF into separate files in your browser.