All tools
A full directory of compact utilities for everyday developer work.
Search the full site
Use one query to find a tool or jump straight into a blog post.
Address Generator
Generate realistic test contact records with name, phone, street, city, region, and postal code for form QA and layout checks.
Credit Card Checker
Check card length, brand pattern, and Luhn checksum before using test numbers in forms or QA runs.
IP Lookup
Resolve an IP address into readable network metadata, location hints and provider details.
Timestamp Converter
Convert Unix timestamps into readable dates and turn date strings back into Unix values.
URL Encoder
Encode or decode URLs, query parameters and tracking strings without breaking the payload.
JSON Pretty Printer
Format compact JSON into readable blocks and catch broken punctuation faster.
UUID Generator
Generate one or many RFC-style UUIDs for seed data, test records and temporary identifiers.
Base64 Encoder
Encode plain text to Base64 or decode Base64 back into readable text.
Hash Generator
Generate SHA hashes in the browser for strings, snippets and quick comparison checks.
Regex Tester
Test a regular expression against sample text and inspect match results instantly.
HTTP Status Lookup
Look up common HTTP status codes and get a plain-language explanation of what they mean.