Developer Tools - BytePane

Free developer tools. JSON formatter, Base64 encoder/decoder, hash generator, regex tester, and more. Fast, private, offline-ready.

BytePane is a free collection of 30+ essential developer tools that run directly in your browser. No data is sent to any server — everything works offline and stays private. TOOLS INCLUDED: JSON Tools: - JSON Formatter & Beautifier — format and validate JSON with syntax highlighting - JSON Minifier — compress JSON by removing whitespace - JSON to CSV Converter — transform JSON arrays into CSV format Encoding & Decoding: - Base64 Encoder/Decoder — encode and decode Base64 strings and files - URL Encoder/Decoder — encode and decode URL components - HTML Entity Encoder — convert special characters to HTML entities Hash & Crypto: - Hash Generator — generate MD5, SHA-1, SHA-256, SHA-512 hashes - UUID Generator — create UUID v4 identifiers instantly - JWT Decoder — decode and inspect JSON Web Tokens Text Tools: - Regex Tester — test regular expressions with real-time highlighting - Text Diff Checker — compare two texts side by side - Word Counter — count words, characters, sentences, paragraphs - Case Converter — convert between camelCase, snake_case, UPPER, lower, Title Color Tools: - Color Converter — convert between HEX, RGB, HSL, CMYK - Color Palette Generator — create harmonious color palettes Date & Time: - Timestamp Converter — convert Unix timestamps to human-readable dates - Date Calculator — calculate differences between dates And many more tools for everyday development tasks. WHY BYTEPANE? - 100% Free — no premium tier, no ads, no account required - Works Offline — all tools run locally in your browser - Private — zero data collection, no analytics, no tracking - Fast — instant results, no server round-trips - Lightweight — under 50KB total extension size Visit bytepane.com for the full web version with additional tools.