this post was submitted on 17 Apr 2025
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Selfhosted

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A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.

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MAZANOKE v1.1.0: Self-hosted local image optimizer in your browser — now supports HEIC, clipboard paste, and more (lemmy.world)
submitted 4 days ago by lent9004@lemmy.world to c/selfhosted@lemmy.world
15 comments fedilink hide all child comments
 

MAZANOKE is a simple image optimizer that runs in your browser, works offline, and keeps your images private without ever leaving your device.

Created for everyday people and designed to be easily shared with family and friends, it serves as an alternative to questionable "free" online tools.

See how you can easily self-host it here:
https://github.com/civilblur/mazanoke

Highlights from v1.1.0 (view full release note)

I'm delighted to present some much-requested features in this release, including support for HEIC file conversion!

  • Added support to convert HEIC, AVIF → JPG, PNG, WebP.
  • Paste image/files from clipboard to start optimization.
  • When setting a file size limit, you can switch between units MB and KB.
  • Remember last-used settings, stored locally in the browser.

The support from the community has been incredibly encouraging, and with over 4500 docker pulls, the project is now humbly making its way toward a 500 stars milestone.

The project also received its first donation, which I'm incredibly grateful for!

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[–] HybridSarcasm@lemmy.world 15 points 4 days ago (2 children)

Interesting. Is it fair to say you’ve created a web interface to standard image manipulation tools ?

[–] lent9004@lemmy.world 17 points 4 days ago

If I understand it correctly, then yes, that's the case! I've utitlized several libraries such as "Browser Image Compression", "heic-to", and more, to wrap it in a web interface.

[–] markstos@lemmy.world 4 points 4 days ago

No, this is all happening in the browser, there are no other image manipulation tools being called.

[–] spamspeicher@feddit.org 9 points 4 days ago (1 children)

Feature suggestion: add the option to remove metadata from an image.

[–] lent9004@lemmy.world 12 points 4 days ago

EXIF data is removed by default, at the moment, there's no way to keep those data. I personally see that more as a feature than a bug though. The primary reason why there is no option to keep EXIF data is to maintain feature parity across different image formats.

[–] markstos@lemmy.world 5 points 4 days ago (1 children)

I just tested the new release. Consider defaulting PNGs to convert to JPEGs unless they have a PNG-specific feature like transparency. Lots of screenshots are initially PNGs, but not because they need any PNG-specific features. Consider: In a test screenshot, it compressed 3.4% with the default 80% setting and PNG->PNG, but for PNG->JPG, it compressed 84.6%.

[–] lent9004@lemmy.world 5 points 4 days ago

The conversion option "Default" is meant to retain the file format when possible, but you can actively select the other options like jpg or webp if that fits your use case better.

[–] funky_dude@feddit.org 3 points 4 days ago

Nice work. I was looking for something like this to self-host for my partner. Thank you for sharing!

[–] Sunny@slrpnk.net 1 points 3 days ago

This is excellent, grabbing this asap ✌️

[–] Samsy@lemmy.ml 1 points 4 days ago

Star added and added to my collection. Really a good one, thx.

[–] Sir_Kevin@lemmy.dbzer0.com 1 points 4 days ago

Elegantly done!

[–] SkyNTP@lemmy.ml 1 points 4 days ago* (last edited 4 days ago) (1 children)

Does this support SVG, i.e. SVGOMG/SVGO? If not, that's a glaring omission.

[–] lent9004@lemmy.world 7 points 4 days ago (1 children)

Currently, only SVG to PNG is supported. SVGOMG is a great tool I’ve used many times as a user, but since it runs as a Node.js app, it would require server-side processing, unlike the local browser-based approach of this app.

[–] SkyNTP@lemmy.ml 1 points 2 days ago (1 children)

Surely the SVGO package can be compiled into a browser bundle.

I might look into this myself...

[–] lent9004@lemmy.world 1 points 2 days ago

If you get around to it, I'd love to know about it and add that as a feature.