Development Tools

A complete browser-based toolkit for developers — format JSON, encode Base64, test regex, convert colors, generate cryptographic keys, parse cron expressions, and more. Every tool runs entirely in your browser with no installation, no account, and no data ever sent to a server.

• JSON Formatter — Format, minify, sort keys, stringify, and destringify JSON
• Base64 Encoder/Decoder — Encode text to Base64 or decode Base64 back to text
• URL Encoder/Decoder — Encode or decode URL components
• Hash Calculator — Calculate SHA-256, SHA-384, SHA-512, SHA-1, or MD5 hashes
• Unix Timestamp Converter — Convert between Unix timestamps and human-readable dates
• Regex Tester — Test regular expressions with match highlighting and capture groups
• Variable Naming Converter — Convert text between camelCase, snake_case, kebab-case, PascalCase, and more
• Color Converter — Convert between HEX, RGB, and HSL with live preview
• Sequence Generator — Generate numeric sequences with custom prefix, suffix, and separator
• Symmetric Key Generator — Generate random AES keys in hex, Base64, or raw bytes
• Asymmetric Key Generator — Generate RSA or EC key pairs in PEM format
• AES Text Encryption — Encrypt and decrypt text with AES-256-GCM and a password
• JWT Decoder & Verifier — Decode JWT header and payload, verify the signature client-side
• UUID Generator — Generate random UUIDs (v4) in bulk
• Cron Expression Parser — Parse cron expressions into plain English
• YAML / JSON Converter — Convert between YAML and JSON formats
• Diff Checker — Compare two texts and highlight the differences