Web & API Tools
Browser-based developer utilities for URLs, regex, payloads and web references.
URL Query Parser
Parse a URL into query parameters.
Open tool →URL Query Builder
Build a URL query string from key/value pairs.
Open tool →Regex Tester
Test a regular expression against sample text.
Open tool →JSON Path Helper
Extract common dot/bracket paths from JSON.
Open tool →COMPAREJSON Diff
Compare JSON structures and show added, removed and changed paths.
Open tool →COMPAREText Diff
Compare two text blocks with line-level additions and removals.
Open tool →REFERENCEHTTP Status Codes
Look up common HTTP response status codes.
Open tool →REFERENCEMIME Type Lookup
Find common MIME types from file extensions.
Open tool →HTTP Headers Parser
Turn raw HTTP headers into structured JSON.
Open tool →cURL Builder
Build a cURL request from method, URL, headers and body.
Open tool →JSON Schema Validator
Validate JSON against a practical JSON Schema subset.
Open tool →OpenAPI Validator
Check common OpenAPI or Swagger document structure.
Open tool →