ByteToolsBrowser-based utilities where privacy matters
100% client-side. Your data never leaves your browser.
Create a QR code, generate a secure passphrase, or decode a JWT in seconds
Choose Your Tool
Every tool runs completely in your browser. No data leaves your device.
Passphrase Generator
Create memorable passwords that are hard to crack.
QR Generator
Share WiFi, contact info, or links in seconds.
JSON Formatter
Clean up API responses and spot JSON errors fast.
Regex Tester
Validate patterns with instant match highlighting.
JWT Decoder
Inspect JWT headers, claims, and expiry dates.
URL Encoder
Fix URL encoding issues for safe sharing.
File Hash
Verify file integrity with secure checksums.
Base64 Encoder
Convert data to and from Base64 instantly.
Percentage Calculator
Solve discounts, tips, and percent change quickly.
Unit Price Calculator
Find the best value with price per lb, oz, g, or kg.
Why ByteTools?
Built by developers who faced these problems daily.
Data Leaks
Existing tools uploaded our sensitive data to unknown servers - unacceptable for client work.
Workflow Friction
More time spent sanitizing data than actually using tools - productivity killer for developers.
Tool Fragmentation
Essential utilities scattered across different sites, each with their own privacy policies.
How It Works
Simple, fast, and straightforward.
Pick
Choose the tool you need from our collection
Paste
Input your data or paste what you want to process
Get Result
Instantly see your result, ready to copy or download
No Accounts. No Tracking.
Just Useful Tools.
We believe great tools should be accessible to everyone, without barriers or compromises.
No Accounts
Jump right in. No registration, no passwords, no hassle.
No Tracking
Your data stays with you. We don't collect, store, or share anything.
Lightning Fast
Tools load instantly and work offline. No waiting, no delays.
Browser-Based
Works on any device with a web browser. Desktop, mobile, tablet.
Always Free
No premium tiers, no limits. Just useful tools, forever free.
Built with Care
Crafted by developers who understand the need for simple, reliable tools.
Frequently Asked Questions
Everything you need to know about ByteTools.