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#1 2021-02-23 06:05:44

phiw13
Plugin Author
From: Japan
Registered: 2004-02-27
Posts: 2,347
Website

Tools to convert images to .webp or .avif ?

At the moment I have given XNconvert a try (a bit of an odd and ugly duckling, but works reasonably well), other people seem to use Squoosh. Recently I tried WebPonize but that is either broken or fails miserably. Are there any other suggestions, preferably not online tools ?

(and not electron based. ça va de soi)

TY.

(edit to correct the thread’s title aviv avif)

Last edited by phiw13 (2021-02-23 08:35:29)


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#2 2021-02-23 07:36:59

Vienuolis
Member
From: Vilnius, Lithuania
Registered: 2009-06-14
Posts: 247
Website GitHub GitLab Twitter

Re: Tools to convert images to .webp or .avif ?

For Windows, I am using the light yet very powerful IrfanVew with RIOT dll plugin (File: Save for Web instead of Save As). Sometimes also FileOptimizer is useful for many other file formats.

Last edited by Vienuolis (2021-02-23 08:07:25)

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#3 2021-02-23 08:22:37

philwareham
Core designer
From: Haslemere, Surrey, UK
Registered: 2009-06-11
Posts: 3,505
Website GitHub Twitter

Re: Tools to convert images to .webp or .avif ?

I’m fairly confident the venerable Graphic Converter for macOS will support AVIF in the near future. Already supports WebP (even supports animated WebP, which I didn’t even know was a thing).

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#4 2021-02-23 08:34:10

phiw13
Plugin Author
From: Japan
Registered: 2004-02-27
Posts: 2,347
Website

Re: Tools to convert images to .webp or .avif ?

Seeing Vienuolis mention Irfanview, I thought of Graphic Converter too. Downloading it now to check out WebP support. Avif, being basically the same as HEIC should probably be relatively easy to add.


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#5 2021-02-24 00:36:20

phiw13
Plugin Author
From: Japan
Registered: 2004-02-27
Posts: 2,347
Website

Re: Tools to convert images to .webp or .avif ?

For converting to the Avif format, Kornelsky has written a CLI utility: cavif. Available for Linux/macOS/Windows platforms. I have not yet tested it, though.

Graphic Converter does a good job (AFAICT) at converting an image, with good speed. A big plus point is good AppleScript support, so I could plausibly easily convert the scripts I use with Acorn to use with GC.
(cons, GC is a little pricey ~€34.95 / ¥4.900-)

I also noticed that XnCovert is available via the Mac App Store (there are may webp converters in the App Store, quality unknown).


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#6 2021-02-26 00:51:28

phiw13
Plugin Author
From: Japan
Registered: 2004-02-27
Posts: 2,347
Website

Re: Tools to convert images to .webp or .avif ?

phiw13 wrote #329041:

For converting to the Avif format, Kornelsky has written a CLI utility: cavif. Available for Linux/macOS/Windows platforms. I have not yet tested it, though.

That Cavif-rs utility does a decent job, AFAICT. On macOS it takes all OS supported formats as input (lossless ones !: TIFF, .heic). The results (given similar settings) are similar to images converted with Squoosh. Batch converting 12 600×900px TIFF images took about 3 minutes.

–^–

PS. Squoosh has a command-line utility as well (npm based workflow).


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