Pick a utility

All developer
tools.

Small, focused utilities for repetitive development tasks—no installation, sign-up, or data upload.

01 / DATA

JSON Formatter

Format, validate, and minify JSON documents directly in your browser.

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02 / TEXT

Text Diff Checker

Find added, removed, and changed lines between two texts or files.

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03 / CODE

JSON → TypeScript

Generate TypeScript interfaces and types from a JSON object or array.

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04 / TEXT & CODE

Regex Tester

Test regular expressions, inspect capture groups, and preview replacements.

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05 / DATA

JSON ↔ YAML

Convert configuration files between JSON and YAML while preserving their structure.

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06 / API

Swagger Viewer

Open a YAML or JSON contract and explore its endpoints, parameters, responses, and schemas with Swagger UI.

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