1
Also covers image tools and svg · same kind of online tool · free
ImageSmaller compresses PNG, JPG, JPEG, GIF, TIFF, WebP, and SVG images online.
Alternatives
The Best GUI Alternatives in 2026
15 alternatives2 free · 1 open source
Looking for something like GUI? Here are 15 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 2 are free or have a free plan and 1 are open source.
SVGOMG provides a visual interface for compressing and optimizing SVG images.
Top picks at a glance
First suggestionImageSmallerImageSmaller compresses PNG, JPG, JPEG, GIF, TIFF, WebP…Open source optionOxipngOxipng optimizes PNG and APNG files with lossless…Another optionIMG to SVGThis online converter turns JPG, PNG, and other bitmap…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | ImageSmaller | Free | Not stated | Web |
| 2 | IMG to SVG | — | Not stated | Web |
| 3 | CompressOrDie | — | Not stated | Web |
| 4 | FrameSVG | — | Not stated | Web |
| 5 | Vector Express | — | Not stated | Web |
| 6 | PngToSVG | — | Not stated | Web |
| 7 | svg-path-editor | — | Not stated | Web |
| 8 | ImageGlass | — | Not stated | Linux, macOS, Web |
| 9 | PicView | — | Not stated | macOS, Web, Windows |
| 10 | Imagine | — | Not stated | Web, Windows |
All GUI alternatives
2
IMG to SVG
img-to-svg.comAlso covers image tools and svg · same kind of online tool
This online converter turns JPG, PNG, and other bitmap images into SVG vector graphics.
3
CompressOrDie
compress-or-die.comAlso covers image tools and svg · same kind of online tool
CompressOrDie provides browser-based compression for JPEG, PNG, GIF, WebP, SVG, and JPEG XL images.
4
FrameSVG
framesvg.romelium.ccAlso covers image tools and svg · same kind of online tool
FrameSVG converts animated GIF files into animated SVGs with vector output.
5
Vector Express
vector.expressAlso covers image tools and svg · same kind of online tool
Convert vector files including AI, CDR, DWG, DXF, PDF, and SVG with Vector Express or its API.
6
PngToSVG
pngtosvg.comAlso covers image tools and svg · same kind of online tool
PngToSVG converts PNG, JPG, and WebP images into scalable SVG vectors using automatic tracing.
7
svg-path-editor
yqnn.github.io/svg-path-editorAlso covers image tools and svg · same kind of online tool
SVG Path Editor is an online tool for creating and manipulating SVG path data.
8
ImageGlass
imageglass.orgAlso covers image tools and svg · same kind of online tool
ImageGlass views more than 90 image formats on Windows, macOS, and Linux.
9
PicView
picview.orgAlso covers image tools and svg
PicView views images on Windows and macOS, with EXIF display, batch resizing, compression, and archive viewing.
10
Imagine
nyam.pe.kr/dev/imagineAlso covers image tools and svg
Imagine provides image and animation viewing software for Windows as a freeware download.
11
Favicon Maker
formito.com/tools/faviconAlso covers image tools and svg
Favicon Maker creates SVG and PNG favicons from letters or emoji, with options for fonts and sizes.
12
Image Glass
github.com/d2phap/ImageGlassAlso covers image tools and svg
ImageGlass is an open-source image viewer that supports formats including WebP, GIF, SVG, AVIF, JXL, and HEIC.
13
Also covers image tools · same kind of online tool · free
SEOPIX compresses, resizes, and optimizes JPEG and PNG images through an online editor.
14
Also covers image tools · open source
Oxipng optimizes PNG and APNG files with lossless compression, and offers both a command-line interface and a library.
15
ImageFoo
imagefoo.comAlso covers image tools
ImageFoo optimizes and compresses images, with desktop downloads for Windows and Android.
No alternatives match this filter.
Alternatives to similar tools
IMG to SVG12 alternativesImageSmaller22 alternativesCompressOrDie19 alternativesFrameSVG12 alternativesVector Express12 alternativesPicView18 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 ListingGUI details
What is the best alternative to GUI?
Based on features, tags and platforms, the closest alternatives to GUI are ImageSmaller, IMG to SVG, and CompressOrDie.
Is there a free alternative to GUI?
Yes. ImageSmaller and Seopix are free or offer a free plan.
Are there open-source alternatives to GUI?
Yes: Oxipng.
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