BytePane
Free developer tools that run entirely in your browser.
No signup. No data collection. No server processing. Your code stays on your device.
Popular Tools
JSON Formatter
Format, validate & beautify JSON
B64Base64 Encode/Decode
Encode or decode Base64 strings
%20URL Encode/Decode
Encode or decode URL components
#Hash Generator
Generate MD5, SHA-256, SHA-512 hashes
.*Regex Tester
Test regular expressions in real-time
AaWord Counter
Count words, characters & sentences
<>Diff Checker
Compare two texts side by side
Color Picker
Pick colors and convert HEX/RGB/HSL
Data Converters
Code Formatters
Generators & Utilities
100% Private
All processing happens in your browser. No data is sent to any server.
Instant Results
No loading spinners. Results appear as you type with zero latency.
Free Forever
No signup, no premium tier, no limits. All tools are completely free.
From the Blog
View all articles →How to Format JSON: Complete Guide
Learn proper JSON indentation, validation, and common errors.
RegexRegex Cheat Sheet: Patterns for Developers
Common patterns for email, URL, phone, and IP validation.
SecurityJWT Tokens: Authentication Made Simple
Understand JWT structure, security, and best practices.
Frequently Asked Questions
What is BytePane?
BytePane is a free suite of 36+ developer tools that run entirely in your browser. Format JSON, encode Base64, test regex, generate UUIDs, convert data formats, and more — all without sending your data to any server.
Is BytePane really free?
Yes, all tools are 100% free with no premium tiers, usage limits, or sign-up requirements. BytePane is supported by non-intrusive ads and will remain free forever.
Is my data safe?
All processing happens client-side in your browser using JavaScript. Your data never leaves your device — BytePane has no backend, no database, and no data collection. It is the safest way to process sensitive code and data.
What tools does BytePane offer?
BytePane offers JSON formatter, Base64 encoder/decoder, URL encoder, hash generator, regex tester, diff checker, JWT decoder, code formatters (HTML, CSS, SQL, XML, JS), data converters (JSON to TypeScript, CSV, YAML, XML, Go), and many more. See all tools.