Free Developer Tools

Base Converter

Convert numbers between binary, octal, decimal and hexadecimal.

Base64 Encoder & Decoder

Encode and decode text or files using Base64.

Cron Expression Parser

Translate cron expressions to plain English with next-run preview.

CSV to JSON Converter

Convert CSV to JSON and JSON to CSV with delimiter options.

Hash Generator

Generate SHA-1, SHA-256 and SHA-512 cryptographic hashes.

HTML Entities Encoder

Encode special characters to HTML entities and decode them back.

HTTP Status Codes

Complete reference for all HTTP status codes — 1xx to 5xx.

JSON Formatter

Format, minify and validate JSON with error detection.

JWT Decoder

Decode JWT tokens and inspect header, payload and expiry. 100% client-side.

Markdown Table Generator

Build Markdown tables visually and copy the syntax.

Regex Tester

Test regular expressions with live match highlighting.

Text to Binary Converter

Convert text to binary, hex, decimal and octal — and back.

Timestamp Converter

Convert Unix timestamps to human-readable dates and back.

URL Encoder & Decoder

Encode and decode URLs and query strings.

URL Parser

Parse any URL into protocol, host, path, query params and hash.

UUID Generator

Generate UUID v4 and v7 with bulk generation and copy support.