Best Image Converter Software in 2026
Updated
In short: Convertio is ranked #1 of 36 as of 4 October 2026, ahead of ImageOptim and Aspose.Imaging. The best-ranked option with a free plan is Aspose.Imaging. The lowest first paid tier on this page is reaConverter at $4.08/mo.
For teams handling images across formats, converter software can support single-file changes as well as batch workflows. Compared on supported formats, batch conversion, image resizing, and color mode conversion, the options also vary in whether they offer a desktop application, web application, or API access. A free plan and paid-from price are further points to weigh when fitting a tool into your workflow. Convertio and ImageMagick are among the first entries, with reaConverter also near the top. Check which formats and conversion tasks you need, then compare how each tool’s listed access options fit the way your team processes images.
36 image converter software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Batch conversion | |
|---|---|---|---|---|---|---|---|---|
| 1 | Convertio | 7.4 | RecognisedAPIDocumented | $6.99/mo | Yes | — | Yes | View |
| 2 |  ImageOptim | 7.4 | RecognisedAPIDocumented | $12/mo | Yes | 12 /mo | — | View |
| 3 |  Aspose.Imaging | 7.3 | RecognisedAPIDocumented | Free | Yes | — | Yes | View |
| 4 | reaConverter | 7.3 | RecognisedAPIDocumented | $4.08/mo | Yes | — | — | View |
| 5 | ImageMagick | 7.2 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 6 |  XnConvert | 5.9 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 7 |  Converseen | 5.8 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 8 | Light Image Resizer | 5.8 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 9 |  Pillow | 5.8 | RecognisedAPIDocumented | Free | Yes | — | Yes | View |
| 10 | CloudConvert Audio Converter | 5.6 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 11 |  FreeConvert GIF Maker | 5.6 | RecognisedAPIDocumented | — | Yes | 12.99 /mo | Yes | View |
| 12 |  ImageCool Converter | 5.6 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 13 |  Quick Any2Ico | 5.6 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 14 | SIC! — Simple Image Converter | 5.6 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 15 |  Universal Image Converter | 5.6 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 16 | xtal2png | 5.6 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 17 |  LocalPix | 5.5 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 18 |  Online Image Converter | 5.5 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 19 | OpenImageIO | 5.5 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 20 |  Photopus | 5.5 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 21 | Switcheroo | 5.5 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 22 | ConvertImage | 5.4 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 23 |  Cyan | 5.4 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 24 | Sharp | 5.4 | RecognisedAPIDocumented | — | — | — | — | View |
| 25 |  Zamzar API | 5.4 | RecognisedAPIDocumented | — | Yes | 25 /mo | — | View |
Is your platform 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 converter software is ranked first on Inferse?
Convertio is ranked #1 of 36 with a score of 7.4. ImageOptim is second and Aspose.Imaging third.
How many of these have a free plan?
5 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, reaConverter has the lowest first paid tier we found: $4.08/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.