Developer Tools

Use focused utilities for JSON formatting, regular expressions, Base64, JWT, Cron, timestamps, and curl conversion to complete everyday debugging and data transformation tasks.

data_object

JSON Formatter & Validator

Format, validate, and minify JSON in your browser. All processing happens locally.

difference

JSON Diff

Online JSON diff tool that recursively compares two JSON payloads down to every field.

rule

Regex Tester

Test regular expressions online with live match highlighting, capture-group parsing, and built-in presets.

terminal

Base64 Encode / Decode

Online Base64 encoder and decoder with UTF-8 support and file-to-data-URI conversion.

schedule

Timestamp Converter

Convert between Unix timestamps and human-readable dates. Auto-detects seconds and milliseconds.

code

cURL to Code

Convert cURL commands to Python, Node.js, Go, PHP or Java code

lock_open

JS Deobfuscator

Beautify and restore obfuscated JavaScript code

vpn_key

JWT Decoder

Decode JWT tokens online. Inspect the header, payload, and signature with automatic timestamp expansion.

schedule

Cron Expression Visualizer

Parse Cron expressions into human-readable descriptions and list upcoming run times