Free developer tools,
one keystroke away.

01 · JSON

JSON Formatter & Validator

Format, validate, and minify JSON data. Beautify with customizable indentation or compress to a single line.

02 · GENERATOR

UUID / ULID Generator

Generate UUIDs (v4) and ULIDs instantly. Bulk generate, validate, and copy unique identifiers.

03 · DEVOPS

Cron Explainer

Decode any cron expression to plain English, validate each field, and preview the next firings. Five-field POSIX cron + 6-field (seconds) and 7-field (year) variants.

04 · CODE

Base64 Encode / Decode

Encode text to Base64 or decode Base64 back to text. Supports UTF-8 and URL-safe Base64.

05 · CRYPTO

Caesar Cipher

Encrypt and decrypt text with the Caesar letter-shift cipher (ROT1-ROT25). Includes brute-force all-shifts view.

06 · TEXT

Case Converter

Convert text between uppercase, lowercase, camelCase, snake_case, Title Case, and 8 more formats.

07 · CRYPTO

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text. Compare hashes to verify data integrity.

08 · CODE

Regex Tester

Test regular expressions with real-time matching, highlighting, capture groups, and a common patterns library.