Developer Tools

Online Developer Tools: JSON Formatter, API Tester, and Base64 Encoder

Explore SONKE Studio developer tools for formatting JSON, testing APIs, decoding JWTs, converting Base64, beautifying code, and working faster online.

online developer toolsJSON formatterAPI testerBase64 encodercoding utilities

JSON tools for everyday debugging

A JSON formatter and validator helps developers inspect payloads, catch syntax errors, and make API responses easier to read.

API testing in the browser

API testers and curl generators help developers check endpoints, headers, request bodies, and response behavior without leaving the SONKE developer toolkit.

Encoding, decoding, and inspection

Base64 tools, JWT decoders, diff checkers, Markdown previewers, and code formatters cover the routine utility work developers search for every day.

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