1
Also covers git, image tools, and linux · same kind of open-source project · open source
Oxipng optimizes PNG and APNG files with lossless compression, and offers both a command-line interface and a library.
Alternatives
The Best CLI Alternatives in 2026
15 alternatives1 free · 8 open source
Looking for something like CLI? Here are 15 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 8 are open source.
Caesium Command Line Tools compresses images with lossy or lossless options.
Top picks at a glance
First suggestionOxipngOxipng optimizes PNG and APNG files with lossless…Free or freemium optionG'MICG’MIC is an open-source image processing framework for 2D…Another optioncbirdThe cbird command-line program retrieves image and video…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Oxipng | — | Yes | Linux, macOS, Windows |
| 2 | cbird | — | Yes | — |
| 3 | G'MIC | Free | Not stated | Web |
| 4 | tint | — | Yes | Linux |
| 5 | tev | — | Yes | Linux, macOS, Windows |
| 6 | Up1 | — | Yes | — |
| 7 | AntiDupl | — | Yes | — |
| 8 | Screenshot.rocks | — | Yes | — |
| 9 | FaceFusion | — | Not stated | macOS, Windows |
| 10 | Pingo | — | Not stated | Web |
All CLI alternatives
2
Also covers command line and image tools · same kind of open-source project · open source
The cbird command-line program retrieves image and video content by visual content, with search and deduplication tools.
3
Also covers command line and image tools · free
G’MIC is an open-source image processing framework for 2D, 3D, and 3D+t images, with command-line and other interfaces.
4
Also covers git, image tools, and linux · open source
tint recolors images using palettes, with command-line controls for applying a chosen theme palette.
5
Also covers git, image tools, and linux · same kind of open-source project · open source
tev displays HDR images and color profiles across operating systems, including HDR output.
6
Also covers git and image tools · same kind of open-source project · open source
Up1 encrypts images, text, and other data in the browser before hosting them, and can display short videos and downloadable files.
7
Also covers git and image tools · same kind of open-source project · open source
AntiDupl searches image collections for similar or defective pictures, helping users locate duplicates across large sets of files.
8
Also covers git and image tools · same kind of open-source project · open source
Screenshot.rocks turns screenshots into mobile and browser mockups through an online tool.
9
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.
10
Pingo
css-ig.net/pingoAlso covers image tools
pingo optimizes PNG, JPEG, WebP, and APNG images using lossless or lossy compression.
11
PNGQuant
pngquant.orgAlso covers image tools and linux
Compress PNG files with pngquant, a command-line utility and library that preserves alpha transparency.
12
Also covers image tools and linux · same kind of open-source project · open source
Caesium Image Compressor compresses JPG, PNG, WebP, and TIFF pictures for storage, sending, and sharing.
13
Caesium
saerasoft.com/caesiumAlso covers image tools
Caesium Image Compressor is software for compressing pictures while aiming to preserve visible quality.
14
Web App
caesium.appAlso covers image tools
Caesium is a free, open-source online image compression tool with batch processing and preview options.
15
TinyPNG
tinypng.comAlso covers image tools
TinyPNG compresses AVIF, WebP, PNG, and JPEG images using a lossy image optimization engine.
No alternatives match this filter.
Alternatives to similar tools
Pingo12 alternativesAntiDupl24 alternativesG'MIC6 alternativestint24 alternativestev24 alternativesUp124 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 ListingCLI details
What is the best alternative to CLI?
Based on features, tags and platforms, the closest alternatives to CLI are Oxipng, cbird, and G'MIC.
Is there a free alternative to CLI?
Yes. G'MIC is free or offer a free plan.
Are there open-source alternatives to CLI?
Yes: Oxipng, cbird, tint, and tev.
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