Welcome to Nifty Dev Tools

A collection of free, browser-based developer tools to help streamline your workflow. Format JSON, validate SQL, convert timestamps, and more. All tools run entirely client-side for speed and privacy.

JSON Tools

Format, minify, and validate JSON data instantly in your browser.

SQL Tools

Validate SQL syntax, format queries, and capitalize keywords. Supports multiple SQL dialects.

Epoch Tools

Convert Unix timestamps to readable dates. See UTC, your local time, and relative time. Live epoch clock included.

Date Tools

Calculate date differences or add/subtract days, weeks, months, and years to any date.