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.