Best Image Compression Software in 2026
Updated
In short: Optimole is ranked #1 of 84 as of 4 October 2026, ahead of TinyPNG and Fastly Image Optimizer. The best-ranked option with a free plan is TinyPNG. The lowest first paid tier on this page is Fastly Image Optimizer at $0.01/mo.
Image compression tools help reduce image file sizes, with listed features that can shape how files are processed. Compare compression modes and supported formats, then consider batch processing, maximum upload size, and image resizing for the files you handle. Metadata controls may also be relevant to your workflow. API access, free-plan availability, and paid-from pricing offer more points to compare. The entries include Optimole, TinyPNG, and Fastly Image Optimizer, as well as Kraken.io and Imagify. Check the published format and size details against your image needs, and consider whether you process files individually, in batches, or through an API.
84 image compression software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
21 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | OptimoleWeb | Two bars | — | 1 of 6 | Free | 8.0 | |
| 2 | TinyPNGAPI | Two bars | — | 0 of 6 | Free | 7.9 | |
| 3 | Fastly Image OptimizerWeb · Linux · API | Two bars | — | 2 of 6 | $0.01/mo | 7.9 | |
| 4 | Kraken.ioAPI | Two bars | — | 0 of 6 | $4.17/mo | 7.7 | |
| 5 | ImagifyAPI | Two bars | — | 0 of 6 | $5.99/mo | 7.6 | |
| 6 | ShortPixel Adaptive ImagesWeb | Two bars | — | 1 of 6 | $9.99/mo | 7.6 | |
| 7 | JPEGminiWindows · Mac | Two bars | — | 2 of 6 | $59/mo | 7.6 | |
| 8 | TinyJPGAPI | Two bars | — | 0 of 6 | Free | 7.5 | |
| 9 | OptimizillaWeb | Two bars | — | 1 of 6 | Free | 7.4 | |
| 10 | XConvert Image CompressorWeb · API | Two bars | — | 1 of 6 | $4.99/mo | 7.4 | |
| 11 | Gumlet ImageWeb · Android · iPhone | Three bars | — | 3 of 6 | Free | 7.4 | |
| 12 | TwicPicsWeb | Two bars | — | 1 of 6 | $19/mo | 7.3 | |
| 13 | ImageCompressAPIAPI | Two bars | — | 0 of 6 | $1/mo | 7.2 | |
| 14 | RIOTWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 7.2 | |
| 15 | PictomancerAPI | Two bars | — | 0 of 6 | €15/mo | 7.1 | |
| 16 | PixozipAPI | Two bars | — | 0 of 6 | Free | 7.1 | |
| 17 | OptimageMac | Two bars | — | 1 of 6 | Free | 7.1 | |
| 18 | MiniPxNo platforms listed | Two bars | — | 0 of 6 | $2.42/mo | 7.1 | |
| 19 | CompressifyWeb | Two bars | — | 1 of 6 | Free | 7.0 | |
| 20 | pngcrushWindows · Mac · Linux | Two bars | — | — | 3 of 6 | — | 6.9 |
| 21 | Compressor.ioNo platforms listed | Two bars | — | 0 of 6 | Free | 6.9 | |
| 22 | Crush.picsNo platforms listed | Two bars | — | 0 of 6 | $4.99/mo | 6.8 | |
| 23 | ThumborLinux | No signal | — | — | 1 of 6 | — | 6.7 |
| 24 | SquooshWeb | No signal | — | — | 1 of 6 | — | 6.7 |
| 25 | FileOptimizerWindows | One bar | — | — | 1 of 6 | — | 6.7 |
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which image compression software is ranked first on Freedom251?
Optimole is ranked #1 of 84 with a score of 8.0. TinyPNG is second and Fastly Image Optimizer third.
How many of these have a free plan?
21 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Fastly Image Optimizer has the lowest first paid tier we found: $0.01/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.