LanguageCategories
Browse tools by category — quick utilities for everyday tasks like encoding, formatting data, generating secrets, and converting timestamps.
Data
JSON, YAML, and CSV conversions and validation.
Encoding
Base64, URL encoding, HTML entities, hex, and ROT13.
Security
Passwords, passphrases, UUIDs, and random strings — generated locally.
Text
Trim, dedupe, and transform text casing for clean copy/paste.
Development
Developer utilities for timestamps, query strings, APIs, debugging, and web workflows.
Financial
Offline financial-format helpers like card-number validation and check-digit verification.