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70+ developer tools and references for JSON, JWT, Base64, hashes, regex, YAML, diffs, colors, cron, AI security, and data conversion.

No signup. No tool-input upload. No server-side tool processing. Your code stays on your device.

JSON Formatter JS Regex Tester Base64 Tool All Tools →

Live US Tech Industry Stats

Auto-updated from BLS & Federal Reserve · last refresh: April 25, 2026

Avg Wage (Private)

$37.38

BLS · per hour

Unemployment

4.3%

BLS National

Inflation YoY

3.26%

BLS CPI

10-Yr Treasury

4.34%

FRED · 2026-04-23

Sources: BLS, FRED. Updated daily.

Popular Tools

JSON Formatter

Format, validate & beautify JSON

JSON Minifier

Compress JSON safely

Base64 Encode/Decode

Encode or decode Base64 strings

Image to Base64

Convert images to data URIs

Text to Binary

Encode text as UTF-8 binary bytes

URL Encode/Decode

Encode or decode URL components

Hash Generator

Generate MD5, SHA-256, SHA-512 hashes

JWT Generator

Create signed JWT test tokens

Prompt Injection Scanner

Scan LLM prompts & agent inputs

OpenAPI Validator

Check Swagger/OpenAPI YAML

JavaScript Regex Tester

Test JS RegExp, captures & ReDoS hints

JavaScript Regex Library

Copy-paste JS RegExp patterns

Word Counter

Count words, characters & sentences

Diff Checker

Compare two texts side by side

Color Picker

Pick colors and convert HEX/RGB/HSL

Data Converters

JSON to TypeScript JSON to Zod JSON to CSV JSON to YAML JSON to XML YAML to JSON HTML to Markdown CSV to JSON XML to JSON JSON to Go

Code Formatters

HTML Formatter CSS Formatter CSS Minifier SQL Formatter XML Formatter JS Beautifier JS Minifier

Generators & Utilities

UUID Generator Password Generator Lorem Ipsum .gitignore Generator Code Screenshot Timestamp Converter Cron Expression JWT Generator Prompt Injection Scanner OpenAPI Validator Linux Command Generator JWT Decoder Number Converter Case Converter Markdown Editor HTML Entities CSS Gradient Generator Meta Tag Generator

Developer References

JavaScript Cheatsheet Python Cheatsheet PHP Cheatsheet SQL Cheatsheet Linux Commands Linux Command Generator All Cheatsheets

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Tool processing happens in your browser. Pasted tool input is not uploaded to BytePane servers.

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No loading spinners. Results appear as you type with zero latency.

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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.

JavaScript Regex Guide 2026

RegExp examples, flags, matchAll, named groups, and ReDoS prevention.

JWT Tokens: Authentication Made Simple

Understand JWT structure, security, and best practices.

Verified Developer Tools Statistics 2026 →Browse All 70+ Tools →

Frequently Asked Questions

What is BytePane?

BytePane is a free suite of 70+ developer tools and references 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?

Tool processing happens client-side in your browser using JavaScript. Your pasted input is not uploaded to BytePane servers. The site may load analytics or advertising resources, but those resources do not receive tool input.

What tools does BytePane offer?

BytePane offers JSON formatter, Base64 encoder/decoder, URL encoder, hash generator, regex tester, diff checker, JWT generator and decoder, code formatters (HTML, CSS, SQL, XML, JS), data converters (JSON to TypeScript, Zod, CSV, YAML, XML, Go), and many more. See all tools.