---
title: Utilities
description: Browser tools by Dan Mullin. Clocks, image tools, a hash, and JSON. Files stay on this machine.
---

# Utilities

Tools that run in the browser. Files stay on this machine.

## Tools

- [Stopwatch](/utilities/stopwatch) — start, stop, and lap. Space, L, and R.
- [Countdown](/utilities/countdown) — hours, minutes, and seconds, with a chime at zero.
- [World clock](/utilities/clock) — local time, UTC, and a few cities.
- [Unix time](/utilities/unix) — timestamps and dates, both directions.
- [Image converter](/utilities/image) — PNG, JPEG, WebP, and AVIF out. HEIC and other photos in. Nothing is uploaded.
- [Resize image](/utilities/resize) — set a size and compress. Nothing is uploaded.
- [Crop image](/utilities/crop) — drag a box, rotate it when it fits, and download the piece. Nothing is uploaded.
- [Strip metadata](/utilities/strip) — redraws the picture so camera data and location stay behind.
- [SHA-256](/utilities/hash) — hash text or a file here.
- [JSON](/utilities/json) — format or minify.
- [Video split](/utilities/video) — picture without sound, or sound without the picture. Nothing is uploaded.