Generate secure passphrases, test regex patterns, decode JWT tokens, and create QR codes — 100% client-side. Your data never leaves your browser.
Built by developers who faced these problems daily.
Existing tools uploaded our sensitive data to unknown servers - unacceptable for client work.
More time spent sanitizing data than actually using tools - productivity killer for developers.
Essential utilities scattered across different sites, each with their own privacy policies.
Simple, fast, and straightforward.
Choose the tool you need from our collection
Input your data or paste what you want to process
Instantly see your result, ready to copy or download
Every tool runs completely in your browser. No data leaves your device.
Generate secure, memorable passphrases
Create QR codes instantly
Format, minify, and validate JSON
Test regex patterns with real-time matching
Decode and validate JWT tokens
Encode and decode URLs
Generate file checksums and hashes
Encode and decode Base64 data
We believe great tools should be accessible to everyone, without barriers or compromises.
Jump right in. No registration, no passwords, no hassle.
Your data stays with you. We don't collect, store, or share anything.
Tools load instantly and work offline. No waiting, no delays.
Works on any device with a web browser. Desktop, mobile, tablet.
No premium tiers, no limits. Just useful tools, forever free.
Crafted by developers who understand the need for simple, reliable tools.
Everything you need to know about ByteTools.
Join security-conscious professionals who trust ByteTools for sensitive data processing. Read our latest insights on privacy-first development.