Developer Tools

🧾JSON Formatter

Format, minify, and validate JSON with clear error messages. Nothing leaves your browser.

🔣Base64 Text

Encode text to Base64 or decode it back, with full Unicode support. Local only.

🔗URL Encoder

Percent-encode or decode URLs and query strings instantly in your browser.

🧮Hash Generator

MD5, SHA-1, SHA-256, and SHA-512 hashes of text or files — computed locally.

⏱️Timestamp

Convert Unix epoch timestamps to human dates and back, with a live current-time ticker.

🎫JWT Decoder

Decode JWT headers and payloads on your device — tokens never leave your browser.

🔍Regex Tester

Test regular expressions with live match highlighting and capture groups.

🔀CSV ↔ JSON

Convert CSV to JSON and back, with quoted fields handled correctly. Local only.

🔟Base Converter

Convert between binary, octal, decimal, and hexadecimal — big numbers included.

🏷️HTML Entities

Escape text for HTML or decode entities like & back to characters.

🕐Cron Parser

Turn cron expressions into plain English and see the next scheduled runs.