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Instead of Fastly Image Optimizer

Fastly Image Optimizer alternatives

Fastly Image Optimizer is built to transform images as requests arrive, resizing, cropping, adjusting quality, changing orientation, and converting formats at the edge. It caches optimized results for reuse and avoids the need to generate and store multiple image variants in advance. Developers control transformations through query parameters and configuration, and it fits with existing asset pipelines and CMS platforms. It supports WebP, AVIF, JPEG, and PNG. A free tier covers 100,000 image requests each month; paid plans are priced by request volume, and every request sent to the service counts as billable.

  1. 1

    Optimole

    by Optimole
    Free plan Web

    Web-based automatic optimization and responsive images — Optimole adds automatic optimization, responsive images, and custom domains through a web workflow, while Fastly transforms and caches images at the edge.

    7.2 Free plan Visit site
  2. 2

    TinyPNG

    by TinyPNG
    Free plan API

    Batch lossy compression through an API — TinyPNG focuses on lossy batch compression, resizing, and metadata controls across six formats, rather than Fastly’s edge delivery and caching.

    7.3 Free plan Visit site
  3. 3

    pngcrush

    Free plan LinuxMacWindows

    Free, lossless PNG optimization on desktop — pngcrush is a lossless PNG utility for desktop platforms that adjusts compression and handles chunks, unlike Fastly’s multi-format edge service.

    7.5 Free plan Visit site
  4. 4

    JPEGmini

    by JPEGmini
    Free plan APILinuxMac+3

    Recompressing JPEG and HEIC images and video — JPEGmini recompresses images and video to reduce file size while preserving visual quality, with batch processing and resizing instead of Fastly edge delivery.

    7.5 Free plan · paid from $59 · 7-day trial Visit site
  5. 5

    Thumbor

    by Thumbor
    Free plan APILinuxSelf-hosted

    Free self-hosted on-demand cropping and resizing — Thumbor offers self-hosted, on-demand cropping, resizing, flipping, and smart cropping, while Fastly provides managed edge delivery and caching.

    7.5 Free plan Visit site
  6. 6

    Squoosh

    Free plan Web

    Local browser-based image compression and comparison — Squoosh processes images locally in a browser and lets users inspect and adjust compression, but lacks batch processing and API access.

    7.2 Free plan Visit site
  7. 7

    FileOptimizer

    Free plan Windows

    Windows batch lossless recompression across file types — FileOptimizer losslessly recompresses files on Windows, supports many formats, and overwrites optimized files rather than delivering transformed images at the edge.

    7.2 Free plan Visit site
  8. 8

    imgproxy

    by imgproxy
    Free plan Open source AndroidAPIiPhone+4
    9.2 Free plan · 14-day trial Visit site
  9. 9

    Avidemux

    Free plan Open source LinuxMacWeb+1
    8.6 Free plan Visit site
  10. 10

    Hive

    Free plan Open source AndroidAPIiPhone+4
    8.5 Open source Visit site
  11. 11

    Kraken.io

    Free plan APIExtensionLinux+3
    7.6 Free plan · paid from $5/mo Visit site
  12. 12

    Caesium Image Compressor

    Free plan LinuxMacWeb+1
    7.6 Free plan Visit site
  13. 13

    Scalir

    Free plan LinuxSelf-hostedWeb+1
    7.5 Free plan Visit site
  14. 14

    Compressify

    Free plan AndroidExtensioniPhone+1
    7.4 Free plan Visit site
  15. 15

    Gumlet Image

    by Gumlet Image
    Free plan WebiPhoneAndroid
    7.3 Free plan · 14-day trial Visit site
  16. 16

    MozJPEG

    Free plan APILinuxMac+2
    7.3 Free plan Visit site
  17. 17

    Compresto

    Free plan APIExtensioniPhone+2
    7.3 From $49 Visit site
  18. 18

    Curtail

    Free plan Linux
    7.2 Free plan Visit site
  19. 19

    Smush

    Free plan API
    7.2 Free plan Visit site
  20. 20

    Imagify

    by Imagify
    Free plan API
    7.2 Free plan Visit site
  21. 21

    ImageOptimizer

    Free plan APIWeb
    7.2 Free plan Visit site
  22. 22

    XConvert Image Compressor

    Free plan APIWeb
    7.2 Free plan · paid from $4.99/mo Visit site
  23. 23

    RIOT

    by RIOT
    Free plan WindowsMacLinux
    7.2 Free plan Visit site
  24. 24

    imageopt

    Free plan LinuxMacWindows
    7.2 Free plan Visit site

An alternative may suit you better if your task is focused on compressing files rather than transforming and delivering them at the edge. The options here include browser services, desktop utilities, APIs, and self-hosted processing, with differences in supported formats, lossless or lossy compression, batch handling, resizing, and metadata controls. Consider whether you need a local workflow, automatic or responsive images, or on-demand cropping, and whether the alternative supports your platform. Fastly’s edge transformations and caching are distinct from tools that optimize files for you to manage and serve yourself.

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