Developer Tools•2026-02-18
Complete Web Developer Toolkit: JSON, Base64, Regex & JWT Utilities
Essential Online Utilities for Software Engineers
Modern full-stack developers need fast, zero-install tools to inspect tokens, debug API responses, and clean up messy minified files.
1. JSON Formatter & Validator
Formatting unindented API payloads helps spot syntax errors and malformed nested objects in seconds.
2. JWT Decoder
Inspect header claims and auth expiration parameters safely directly in your local browser sandbox.
3. Base64 Encoder & Decoder
Quickly handle data URIs, binary text conversions, and HTTP auth header obfuscations.