JPEG XL for Obsidian

Open .jxl pictures in your notes, and convert PNG, JPEG, WebP and GIF files to smaller JPEG XL files, as you paste or across the vault.

Install

Settings, Community plugins, Browse, search for "JPEG XL", Install, Enable.

What it saves

One file each, converted by this plugin at its defaults (photo quality 90). WebP made with Pillow 12.3: lossless for screenshots and the animation, quality 90 for photographs. Not an average.

Picture	Original	WebP	JPEG XL
Screenshot of a note, 2200 × 1520 PNG	192 KB	56 KB	36 KB, every pixel kept
Screenshot of code, 1960 × 840 PNG	175 KB	57 KB	39 KB, every pixel kept
Phone photo pasted as a 2560 × 1920 PNG	7.63 MB	893 KB	789 KB, quality 90
Phone photo, 12.5 MP JPEG	5.44 MB	1.83 MB, re-encoded with loss	4.85 MB, the JPEG restores exactly
Animated GIF, 24 frames, 360 × 160	77 KB	66 KB	37 KB, every pixel kept

A picture is replaced only if the new file is smaller.

Your files

• Everything runs on your device. No network, no telemetry; no file leaves your vault.
• Nothing is overwritten. Each new picture is read back and checked against the original before any link changes. Originals stay unless you turn on Remove originals, and then they go to Obsidian's trash.
• Undo the last conversion puts the links back.
• A converted vault opens on another device only where this plugin is installed.

Commands

Convert this picture · Convert all pictures in this note · Convert all pictures in the vault · Convert this picture back to PNG · Restore the original JPEG · Undo the last conversion

Made with rapier-jxl. The plugin is MIT-licensed: obsidian/LICENSE.

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