Development Tools
Free online developer tools for formatting, encoding, decoding, converting, generating and debugging data instantly in your browser.
Base64 Encode & Decode
Encode text to Base64 or decode Base64 strings instantly online.
Cron Expression Generator
Generate cron expressions instantly for Linux servers, automation workflows and scheduled tasks.
CSV to JSON Converter
Convert CSV data into formatted JSON instantly online.
Email Generator
Generate random email addresses for testing, demos and development.
Hash Generator
Generate MD5, SHA256, SHA512 and other cryptographic hashes instantly.
ISO Date Formatter
Format ISO 8601 dates into custom readable date and time formats instantly online.
JSON Formatter & Minifier
Format, beautify and minify JSON instantly online.
JSON to CSV Converter
Convert JSON arrays into CSV instantly online.
JWT Decoder & Encoder
Encode & Decode JWT tokens, inspect payloads and validate token structure instantly.
Password Generator
Generate strong random passwords with letters, numbers and symbols.
QR Code Generator
Generate QR codes instantly for URLs, text, WiFi passwords and more.
Tabs & Spaces Converter
Convert tabs to spaces or spaces to tabs, visualize hidden whitespace characters and inspect indentation formatting online.
Test Data Generator
Generate realistic fake CSV and JSON test data instantly using Faker and Bogus.
Text, Binary, Hex & Octal Converter
Convert text, binary, decimal, hexadecimal and octal numbers instantly.
Unicode Converter
Convert text to Unicode escape sequences and decode Unicode characters online.
Unix Timestamp Converter
Convert Unix timestamps into readable dates and convert dates back into epoch timestamps instantly online.
URL Encoder & Decoder
Encode and decode URLs instantly online.
UUID Generator
Generate GUIDs instantly for development and testing.
YAML Validator & Formatter
Validate, format and beautify YAML configuration files online instantly.