About

Hashtag Jewel Tools is a collection of simple, professional, privacy-first online utilities. Tools run entirely in your browser, so your files stay on your device and are not uploaded to a server.

What makes it different?

• No login, no database, no file history.
• Local processing for speed and privacy.
• Clean UI that works on desktop and mobile.

Featured: Watermark Image Tool

Add a text or logo watermark, set opacity/rotation/stroke/background, tile as a grid, apply the same settings to multiple images, and download all results as a ZIP.