1
CLI
github.com/Lymphatus/caesium-cltAlso covers git, image tools, and linux · same kind of open-source project
Caesium Command Line Tools compresses images with lossy or lossless options.
Alternatives
The Best Oxipng Alternatives in 2026
24 alternatives2 free · 19 open source
Looking for something like Oxipng? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 2 are free or have a free plan and 19 are open source.
Oxipng optimizes PNG and APNG files with lossless compression, and offers both a command-line interface and a library.
Top picks at a glance
First suggestionCLICaesium Command Line Tools compresses images with lossy or…Free or freemium optionPhotoQtBrowse images with PhotoQt, an image viewer whose GitHub…Open source optiontinttint recolors images using palettes, with command-line…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | CLI | — | Not stated | Linux, macOS, Windows |
| 2 | tint | — | Yes | Linux |
| 3 | tev | — | Yes | Linux, macOS, Windows |
| 4 | AntiDupl | — | Yes | — |
| 5 | Up1 | — | Yes | — |
| 6 | Screenshot.rocks | — | Yes | — |
| 7 | Pingo | — | Not stated | Web |
| 8 | cbird | — | Yes | — |
| 9 | Lap | — | Yes | Linux, macOS, Windows |
| 10 | FlipFlip | — | Yes | Linux, macOS, Windows |
All Oxipng alternatives
2
Also covers git, image tools, and linux
tint recolors images using palettes, with command-line controls for applying a chosen theme palette.
3
Also covers git, image tools, and linux · same kind of open-source project
tev displays HDR images and color profiles across operating systems, including HDR output.
4
Also covers git, image tools, and open source · same kind of open-source project
AntiDupl searches image collections for similar or defective pictures, helping users locate duplicates across large sets of files.
5
Also covers git, image tools, and open source · same kind of open-source project
Up1 encrypts images, text, and other data in the browser before hosting them, and can display short videos and downloadable files.
6
Also covers git, image tools, and open source · same kind of open-source project
Screenshot.rocks turns screenshots into mobile and browser mockups through an online tool.
7
Pingo
css-ig.net/pingoAlso covers image tools
pingo optimizes PNG, JPEG, WebP, and APNG images using lossless or lossy compression.
8
Also covers image tools and open source · same kind of open-source project
The cbird command-line program retrieves image and video content by visual content, with search and deduplication tools.
9
Also covers image tools, linux, and open source · same kind of open-source project
Lap runs as an offline-first desktop photo manager on macOS, Windows, and Linux, for albums and large local libraries.
10
Also covers image tools, linux, and open source · same kind of open-source project
FlipFlip displays local images in a randomized slideshow and runs on Mac, Windows, and Linux.
11
Also covers image tools, linux, and open source · same kind of open-source project
View and edit images across multiple operating systems with oculante, an image viewer and editor.
12
FaceFusion
github.com/facefusion/facefusionAlso covers image tools · same kind of open-source project
FaceFusion provides face manipulation tools, with command-line usage instructions and installers for Windows and macOS.
13
PNGQuant
pngquant.orgAlso covers image tools and linux
Compress PNG files with pngquant, a command-line utility and library that preserves alpha transparency.
14
Also covers image tools, linux, and open source · same kind of open-source project
ImageFan Reloaded is a tabbed image viewer for Linux and Windows, written in C# and targeting .NET 10.
15
Also covers image tools and open source · same kind of open-source project · free
Browse images with PhotoQt, an image viewer whose GitHub repository mirrors its main project.
16
Also covers image tools · free
pinga provides a graphical interface for experimental PNG, JPEG, and APNG image optimization.
17
Also covers image tools and open source · same kind of open-source project
QuickView displays JXL, AVIF, WebP, RAW, and QOI images in a Windows application using Direct2D.
18
Also covers image tools and open source · same kind of open-source project
LibrePhotos provides self-hosted photo management with face recognition, object detection, and semantic search.
19
Also covers image tools and open source · same kind of open-source project
Google Photos Migrate repairs EXIF data and filenames in Takeout archives, handles duplicates, and preserves albums in folders.
20
Also covers image tools, linux, and open source · same kind of open-source project
qimgv provides image viewing with optional support for playing video files.
21
Also covers image tools and open source · same kind of open-source project
Greenshot provides screenshot capture tools for Windows, according to its project page.
22
Also covers image tools and open source · same kind of open-source project
The odiff project provides an SIMD-first image comparison library with a Node.js API.
23
Also covers image tools and open source · same kind of open-source project
The Google Photos Deduper Chrome extension finds and removes duplicate images in a Google Photos library.
24
Also covers image tools and open source · same kind of open-source project
The Google Photos Toolkit userscript can filter, search, organize, or delete items in a Google Photos library.
No alternatives match this filter.
Alternatives to similar tools
ImagefanReloaded24 alternativesPingo12 alternativesMigration Tool24 alternativesGoogle Photos Deduper24 alternativesAntiDupl24 alternativesFlipFlip24 alternatives
TopicImage Tools · 174 sites Best-of list8 Best Free Image Compression Tools in 2026Best-of listBest Free Screenshot Tools for Clear Captures and Markup ListingOxipng details
What is the best alternative to Oxipng?
Based on features, tags and platforms, the closest alternatives to Oxipng are CLI, tint, and tev.
Is there a free alternative to Oxipng?
Yes. PhotoQt and GUI are free or offer a free plan.
Are there open-source alternatives to Oxipng?
Yes: tint, tev, AntiDupl, and Up1.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative