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Ticket Information - ID: #1002

ID:Category:SeverityReproducibilityDate SubmittedUpdated By:
0001002Bug Reportingnormalalways02/12/20 07:40AMJerl
Assigned to:geltas
View StatusPublic
Target Version:N/A
Summary:.jfif on saved images
Description:in firefox when you try to save a fullsize image by dragging it instead of right clicking and choosing save as - you get it with .jfif extension instead of .jpeg
Additional Info:e.g.

Latest Firefox
lozertuser replied at 2020-02-12 14:08:16
Gelbooru does not determine how your browser will save files. Not a bug.

Owyn replied at 2020-02-15 09:45:36
but still... could you fix it please?

lozertuser replied at 2020-02-15 17:47:03
That's not something we have control of. That is your browser, please contact Mozilla to ask them about it.

ahahahahah881 replied at 2020-02-21 00:05:34
jfif is an extension of jpeg that contains more quality information and is just better. your "issue" is firefox parsing images more correctly and and at higher quality than competing browsers. if you cant view the saved image somehow, get imageglass on windows or any number of linux's superb image viewers.

it's probably wikipedia/jpeg_XT, which is HDR jpeg from 2015. which is 100% backwards compatible.

Jerl replied at 2020-02-26 12:03:46
Saving a JPEG as a JFIF will not improve the quality of the image in any way, shape, or form. Once it's been a JPEG once, the quality damage has been done and cannot be reversed. Resaving a JPEG as another file type will always result in an image of equal or *worse* quality. Firefox saving the image as a JFIF is not causing it to "parse images more correctly" or save them at higher quality. It's the exact same image data with a new extension, or *recompressed* image data that has had *two* passes of lossy compression and has therefore degraded more. Please do not spread misinformation.