Development Tools

Browser utilities for developers — no installation, no account.

• JSON Tools — 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
• Case Converter — Convert text between camelCase, snake_case, kebab-case, 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