Alternatives

Products that do what Smlr – re-encode jpegs using butteraugli visual quality measurement does

1. 1ME
   Mozjpeg encoder – smaller jpegs for everyone▲23

   2014 · mozjpeg.codelove.de

2. 2HH
   HiFiC – High-Fidelity Generative Image Compression – demo and paper▲281

   2020 · hific.github.io

3. 3FA
   Filmulator – a streamlined, open-source raw photo editor▲282

   2021 · filmulator.org

4. 4JR
   JPEG.rocks – Privacy-aware JPEG optimizer built with WebAssembly▲61

   2021 · jpeg.rocks

5. 5TA
   Trigrad, a novel image compression with interesting results▲175

   2015 · ruarai.github.io

6. 6AF
   A fast HEIF to JPEG converter aimed at thumbnailing▲8

   2017 · github.com

7. 7PA
   Poxi – A Hackable Pixel Art Editor▲144

   2017 · github.com

8. 8IJ
   Imgix.js, a JavaScript library for responsive imaging▲102

   2014 · imgix.com

9. 9JA
   Jp3g: a fast private bulk image to JPEG/WebP converter▲5

   2024 · jp3g.org

10. 10AA
    Amplify – A tiny script allowing inline image zoom▲50

    2017 · github.com

11. 11JI
    Jpeg.io – Convert any major image format into a highly optimized JPEG▲122

    2016 · jpeg.io

12. 12TO
    Thumbor – open-source on-demand image cropping, resizing, and filters▲113

    2014 · thumbor.org

13. 13SW
    Steganography with JPEGs▲5

    2020 · github.com

14. 14OA
    Optimage – Advanced image optimization tool▲39

    2018 · getoptimage.com

15. 15VT
    Video to JPG – Extract frames in browser with blur detection▲5

    Jan 2026 · videotojpg.com

16. 16SH
    Single header robust image resampling in C++▲15

    2019 · github.com

17. 17EA
    Encode arbitrary data as PNG images▲6

    2020 · github.com

18. 18IE
    Image Eval – An evaluation toolkit for image generation models▲7

    2023 · github.com

19. 19IH
    Imgp – high-performance batch image resizer & rotator▲5

    2019 · github.com

20. 20EA
    Etcher – an open-source and cross-platform SD card image writer▲13

    2016 · etcher.io

21. 21GA
    Glyphs – an API for finding, manipulating, and embedding CC0 photos▲17

    2016 · glyphs.co

22. 22AI
    An interactive comparison of 170 popular digital cameras▲12

    2015 · productchart.com

23. 23FC
    Fast client-side bulk images resizer▲5

    2025 · prodshot.net

24. 24IP
    Image processing in 9 languages with 1 library▲5

    2015 · simpleelastix.github.io

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