Core utilities for server-side development and API design
The tools backend engineers reach for daily. JSON formatting, JWT handling, API testing, database query building, and more.
10 tools in this collection
Pretty-print, validate, and minify JSON with syntax highlighting.
Open toolDecode and inspect JWT tokens to see header, payload, and signature.
Open toolBuild and test HTTP requests with custom headers and body.
Open toolFormat and beautify SQL queries for better readability.
Open toolParse and validate cron expressions with human-readable explanations.
Open toolGenerate v4 UUIDs for use as database keys and identifiers.
Open toolGenerate MD5, SHA-1, SHA-256, and other cryptographic hashes.
Open toolParse URL query strings into key-value pairs and vice versa.
Open toolGenerate realistic fake data for testing and prototyping.
Open toolQuick reference for all HTTP status codes with descriptions.
Open toolWant to suggest a tool for this collection?
Submit a request