DropSlim

macOS · local · free · open source

Make large
files small.

Drop your images. DropSlim crunches the numbers. Done.
Everything stays on your Mac — no account, no server.

Download Apple Silicon
0%

less volume (+/-)

For everyone who sends & uploads images.

Email attachment full? Notion slow? Slack complaining? Website maintenance? Uncompressed graphics files are neither sustainable nor performant. DropSlim turns PNG, JPEG, GIF, SVG, WebP and AVIF into sendable, web-ready files — without exporting anything in Photoshop.

Why DropSlim.

before 12.4 MB 4 screenshots, one email — limit reached
after 2.1 MB same content, plenty of room to spare

  • Drag & Drop

    Drop files or folders onto the window. That is all you need.

  • Small and fast

    Lightweight app, fast compression. Small footprint, no bloat.

  • Runs offline

    No internet required. Compression runs entirely on your Mac.

  • Privacy

    No upload. No tracking. Your photos never leave your machine.

  • Batch processing

    200 screenshots? One go. Drop a folder, everything in one run.

  • PNG · JPEG · GIF · SVG · WebP · AVIF

    All common image formats — presets for web, email, archive. Or your own quality.

  • Settings

    Overwrite, save alongside with a `.min` suffix, or to your own folder — you decide what happens.

  • Open Source

    MIT license. Source code on GitHub — inspectable, forkable, open to contributions.

Get it.

Free. No subscription. No ads. Open source under the MIT license.

Download for macOS

Version 1.0.0 · Apple Silicon