Platform(s), such as mobile, website, API, other: All URLs (aka web addresses) of any pages, if relevant: Description of need: Support the .webp image format for image upload. Feature request details: The webp image format is becoming more and more widely used due to its characteristics superio…

[image] cick0: significantly smaller than JPGs is this actually true for most photos uploaded to iNat? see: https://siipo.la/blog/is-webp-really-better-than-jpeg .

[image] pisum: is this actually true for most photos uploaded to iNat? From my own testing I would say generally no. It is highly dependent on the nature of the image in question; occasionally it can be noticeably better than JPG, and sometimes even a little worse. But for most wildlife style…

That article mentions an aspect of WebP that could be problematic for iNat images: JPEG compression uses the same quantization factor for each 16×16 “macroblock” so the compression is consistent throughout the image. WebP and AVIF on the other hand use different compression factors for different …

This request is over a year old and has 0 votes so I’m going to close it. iNat will keep abreast of different image formats and evaluate them, but I think unless/until something like webp is broadly used, it won’t be supported.

Webp image format support

Feature Requests

Topic		Replies	Views
webp image support Feature Requests	6	792	February 3, 2021
Increase max image size (from 2048 x 2048 pixels) Feature Requests under-review	53	6979	December 9, 2025
JPEG XL in iNaturalist? General	5	322	November 24, 2024
Why is iNat's JPEG compression so low? General	5	740	September 23, 2021
Why is iNat butchering my photo resolution? General	19	2294	April 22, 2022

Webp image format support

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