heystack

Lossless Image Formats Comparison (Jpeg XL, AVIF, WebP, FLIF, PNG, ...) v0.5

A spreadsheet with descriptions and examples of various image formats, size differences, encoding times, etc.

From the heystacks.com archiveUpdated 4.5K views
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  1. Current version

    Imported legacy reference

    Legacy contributor · 2026-10-12

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Discussion 2

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From the heystacks.com archive

  1. zxc

    On your table, green is a large file size, and red is a negative smaller file size. Change colors, as red is perceived as a worse value.

  2. A

    I'd like to be able to download the image sets here for testing, but there's no easy way to extract the urls in Excel. Would you be able to add a sheet with all the urls in plain text?