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Best ON1 Resize AI Alternatives in 2026

Updated

20 tools from image upscaling software ranked against ON1 Resize AI on the same published basis.

  1. 1
    NextGenUp Free plan LinuxMacself-hostedWebWin Free9.0
    ON1 Resize AI vs NextGenUp
  2. 2
    Bigjpg Free plan AndroidapiiOSMacWeb $6/mo8.8
    ON1 Resize AI vs Bigjpg
  3. 3
    Real-ESRGAN Open sourceLinuxMacself-hostedWebWin 8.6
    ON1 Resize AI vs Real-ESRGAN
  4. 4
    SupaRes Free plan apiWeb $9/mo8.3
    ON1 Resize AI vs SupaRes
  5. 5
    Imglarger Free plan AndroidiOSMacWeb $9.99/mo8.3
    ON1 Resize AI vs Imglarger
  6. 6
    PixelPanda Image Upscaler Free plan apiextensionWeb $1.99/mo8.2
    ON1 Resize AI vs PixelPanda Image Upscaler
  7. 7
    Adima Image Upscaler Pro Free plan AndroidWin $4.99/mo8.2
    ON1 Resize AI vs Adima Image Upscaler Pro
  8. 8
    Cutout.Pro Free plan AndroidapiiOSLinuxMac $4.99/mo8.2
    ON1 Resize AI vs Cutout.Pro
  9. 9
    LetsEnhance Free plan api $9/mo8.1
    ON1 Resize AI vs LetsEnhance
  10. 10
    Upscale.media Free plan api $5.83/mo8.0
    ON1 Resize AI vs Upscale.media
  11. 11
    Upscal Free plan iOSMacWin Free8.0
    ON1 Resize AI vs Upscal
  12. 12
    Super Resolution Free plan apiWeb $4.90/mo8.0
    ON1 Resize AI vs Super Resolution
  13. 13
    PicWish Image Upscaler Free plan api Free7.9
    ON1 Resize AI vs PicWish Image Upscaler
  14. 14
    Clipdrop Free plan AndroidapiiOSWeb Free7.9
    ON1 Resize AI vs Clipdrop
  15. 15
    Upscayl Free trial api $24.99/mo7.8
    ON1 Resize AI vs Upscayl
  16. 16
    Krea Enhancer Free plan api $9/mo7.8
    ON1 Resize AI vs Krea Enhancer
  17. 17
    UpscaleAI Free plan Web $7.99/mo7.8
    ON1 Resize AI vs UpscaleAI
  18. 18
    Ximilar Image Upscaler Free plan apiWeb $69/mo7.8
    ON1 Resize AI vs Ximilar Image Upscaler
  19. 19
    Claid Free plan apiWeb Free7.8
    ON1 Resize AI vs Claid
  20. 20
    Upscale Media AI Free plan apiWeb $4/mo7.8
    ON1 Resize AI vs Upscale Media AI

ON1 Resize AI alternatives compared

#ToolScoreFree planFromRuns on
1NextGenUp9.0Free planFreeLinux, Mac, self-hosted, Web, Windows
2Bigjpg8.8Free plan$6/moAndroid, API, iOS, Mac, Web, Windows
3Real-ESRGAN8.6No—Linux, Mac, self-hosted, Web, Windows
4SupaRes8.3Free plan$9/moAPI, Web
5Imglarger8.3Free plan$9.99/moAndroid, iOS, Mac, Web
6PixelPanda Image Upscaler8.2Free plan$1.99/moAPI, Browser, Web
7Adima Image Upscaler Pro8.2Free plan$4.99/moAndroid, Windows
8Cutout.Pro8.2Free plan$4.99/moAndroid, API, iOS, Linux, Mac, Web, Windows
9LetsEnhance8.1Free plan$9/moAPI
10Upscale.media8.0Free plan$5.83/moAPI
11Upscal8.0Free planFreeiOS, Mac, Windows
12Super Resolution8.0Free plan$4.90/moAPI, Web
13PicWish Image Upscaler7.9Free planFreeAPI
14Clipdrop7.9Free planFreeAndroid, API, iOS, Web
15Upscayl7.8No$24.99/moAPI
16Krea Enhancer7.8Free plan$9/moAPI
17UpscaleAI7.8Free plan$7.99/moWeb
18Ximilar Image Upscaler7.8Free plan$69/moAPI, Web
19Claid7.8Free planFreeAPI, Web
20Upscale Media AI7.8Free plan$4/moAPI, Web
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Questions about ON1 Resize AI alternatives

What is the best alternative to ON1 Resize AI?

NextGenUp, number 1 in image upscaling software with a score of 9.0 out of 10. The others here: Bigjpg, Real-ESRGAN, SupaRes and 16 more.

What is the best free alternative to ON1 Resize AI?

NextGenUp is the best-ranked alternative with a free plan. 18 of the 20 alternatives here publish a free plan on their own pricing pages.

Is there an open-source alternative to ON1 Resize AI?

Yes: Real-ESRGAN.

How are these alternatives ranked?

Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.