Small tools that run
in your browser.
A growing collection of utilities for images and data. Files are processed locally in your browser, never uploaded to a server.
Pick a tool
Image or data utilities. New ones land regularly.
Drop a file
Processed locally using browser APIs. Your file content is never uploaded.
Download the result
Saved straight to your computer. We don't see it, ever.
Available tools
Everything runs on your device.
Reduce JPEG, PNG and WebP size with a quality slider. Your image is never uploaded.
Scale to any size or use platform presets — Instagram, LinkedIn, WhatsApp and more.
Convert between JPEG, PNG, and WebP formats. Lossless or quality-controlled.
Rotate images 90°, 180°, 270° or flip horizontally. Download as PNG.
Pretty-print, minify, validate, and sort JSON keys. Instant output.
Encode text or files to Base64, decode Base64, or convert images to data URIs.
Percent-encode and decode URLs, or parse query strings into key-value pairs.
Inline or side-by-side comparison. Handles plain text and structured diffs.
Generate SHA-256, SHA-512, SHA-1, and MD5 hashes. Verify file checksums locally.
Your files stay in your browser.
Each tool is a small JavaScript program that runs on your machine using browser-native APIs. Your file content never leaves your tab.
- Files are read with the browser File API and kept in memory.
- No server ever receives your file content.
- No accounts or sign-up required.