Utilities
Formatters, encoders, and everyday dev tools
Format, encode, decode, hash, and transform text and structured data with browser-based utilities designed for quick engineering workflows.
17 implemented tools
Base64 Encode/Decode
Encode or decode Base64 strings.
Binary Encode/Decode
Encode and decode UTF-8 text as binary.
Epoch Converter
Convert between Unix timestamps and human-readable dates.
GUID Generator
Generate UUIDs and GUIDs in various formats.
Hash Generator
Generate cryptographic hashes for text and files.
Hex Encode/Decode
Encode and decode UTF-8 text as hexadecimal.
HMAC Generator
Generate HMAC digests with SHA-1, SHA-256, SHA-384, or SHA-512.
HTML Encode/Decode
Encode and decode HTML entities safely.
JSON Formatter
Format, validate, and minify JSON payloads.
Markdown Preview
Preview markdown with sanitized HTML output.
Passphrase Generator
Generate diceware-style passphrases with entropy estimates.
Regex Tester
Test regular expressions against sample text.
Text Case Converter
Convert text between common naming and casing conventions.
Text Diff
Compare two text blocks with unified and side-by-side views.
URL Encode/Decode
Encode or decode URL-encoded strings.
XML Formatter
Format, validate, and minify XML documents.
YAML Formatter
Format, validate, and convert YAML configuration files.