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Curtail compresses PNG, JPEG, WebP, and SVG images, according to its repository description.
About Curtail
Curtail is a free, open-source image compressor for Linux, developed and distributed through GitHub under the name Huluti/Curtail. It was previously called ImCompressor. The application compresses PNG, JPEG, WebP and SVG files, and is described as inspired by Trimage and Image-Optimizer.
It offers both lossless and lossy compression modes, with an option to keep or remove image metadata. The app is built with GTK 4, Libadwaita and Python 3, and relies on other open-source projects such as Oxipng, pngquant, Jpegoptim, libwebp and Scour to do the compression work.
Curtail is licensed under the GNU General Public License v3. It ships as a Flatpak package, which the project recommends, and is also available through a Snap package, an Ubuntu PPA for Ubuntu 18.04 and derivatives, and a Fedora copr repository for Fedora 36 and later. Users can alternatively build it from source with meson and ninja. Translations are handled on the GNOME translation platform, Damned Lies.
Key features
- Compresses PNG, JPEG, WebP and SVG image files
- Offers both lossless and lossy compression modes
- Lets you keep or remove image metadata
- Desktop app built with GTK 4 and Libadwaita
- Installs via Flatpak, Snap, Ubuntu PPA or Fedora copr
- Open source under the GNU GPL v3
Best for: Linux users who want a simple desktop tool for shrinking PNG, JPEG, WebP and SVG images.
Good for
- Handles four common image formats in one app
- Choice of lossless or lossy compression
- Free and open source under GPL-3.0
- Several installation options for Linux distributions
Watch out for
- Available for Linux only
- Distro packages are unofficial and maintained outside the project
Curtail at a glance
- Website
- github.com/Huluti/Curtail
- Category
- Software & Utilities › Linux Apps
- Type
- Open-source project
- Pricing
- Free
- Platforms
- Linux
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Curtail FAQ
What image formats does Curtail support?
Curtail compresses PNG, JPEG, WebP and SVG files. Both lossless and lossy compression modes are supported.
Is Curtail free to use?
Yes. Curtail is free software released under the GNU General Public License v3, and the source code is available on GitHub.
How do I install Curtail on Linux?
The project recommends the Flatpak package, installed with the command flatpak install flathub com.github.huluti.Curtail. Snap, Ubuntu PPA and Fedora copr packages also exist, and you can build from source with meson and ninja.
Can I keep the metadata in my images?
Yes. Curtail lets you choose whether to keep or remove the metadata of the images you compress.
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