caesium-image-compressor
libjxl
caesium-image-compressor | libjxl | |
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9 | 85 | |
2,258 | 2,236 | |
- | 29.1% | |
8.3 | 9.8 | |
6 days ago | 4 days ago | |
C++ | C++ | |
GNU General Public License v3.0 only | BSD 3-clause "New" or "Revised" License |
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caesium-image-compressor
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GarlicOS lag
I use this: https://saerasoft.com/caesium
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Easy boxart resizing with imagemagick in your browser. No install, no CLI!
I also use Caesium Image Compressor on my ROMs and Themes folder to reduce their size and improve the RG35XX's responsiveness.
- How to optimize or compress images on the website?
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Just upgraded. Any tips to share?
If you want further compression you could check out Caesium Image Compressor which is free (and I'm not affiliated with it incidentally, I just like it).
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Is there any way to fix this? no pictures i have are under 8mb and it won’t auto compress to 8mb. i effectively cannot send pictures in my group chat
Try an image compression tool, this one is free and open source: https://saerasoft.com/caesium/
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Batch image compression software (freeware)?
Amazing, free and open-source: Caesium.
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Can't find a way to create AppImage for Qt6 programs
I'm new to AppImage creating. (sorry I'm not a native English speaker) I was trying to create an AppImage for this Caesium Image Compressor (Qt6). Failed to find a way to do that. Qt6 is too new for AppImage?
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Looking for OFFLINE PNG/JPEG compressor software for Win10.
Caesium Image Compressor can do the job and it is easy to use. There is also imagemagick which is basically the swiss-knife for image editing, but based on you having looked for websites first, I assume you don't look for a commandline tool (imagemagick is a commandline tool).
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Open source Image compression app? [Win10]
Caesium image compressor: https://github.com/Lymphatus/caesium-image-compressor and Imagine: https://github.com/meowtec/Imagine
libjxl
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JPEG XL and Google's War Against It
> Regarding JPEG XL's mobile support, it makes sense it would see limited development if the company that manages one of the biggest mobile players has been the greatest restriction on their success. The lack of support also disincentivises manufacturers to prioritise support.
There was literally no involvement from any hardware vendor in the standardization of JPEG XL. It went from a Call for Proposals in Sept 2018 to Committee Draft in Aug 2019 with very little time for industry feedback. Contrast this with AV1 which had involvement from hardware vendors Intel, NVIDIA, Arm, AMD, Broadcom, Amlogic from the beginning as well as companies who ship media on hardware at scale such as Cisco, Netflix, Samsung and yes Google. These companies reviewed and provided significant feedback on the format that made it suitable for hardware implementation.
https://news.ycombinator.com/threads?id=JyrkiAlakuijala is a lead on the project and a Google employee, and active in JPEG XL development https://github.com/libjxl/libjxl/commits?author=jyrkialakuij...
- JPEG XL Reference Implementation
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JPEG XL and the Pareto Front
https://github.com/libjxl/libjxl/blob/main/doc/format_overvi... is a pretty detailed but good overview. The highlights are variable size DCT (up to 128x128), ANS entropy prediction, and chroma from luminance prediction. https://github.com/libjxl/libjxl/blob/main/doc/encode_effort... also gives a good breakdown of features by effort level.
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Compressing Text into Images
For JPEG XL, refer to its format overview [1]. In short its lossless mode uses a combination of multiple techniques: the rANS coding with an alias table, LZ77, reversible color transforms, a general vector quantization that subsumes palettes, a modified Haar transform and a learnable meta-adaptive decision tree for context modelling.
One good thing about JPEG XL is that its lossy mode also largely uses the same tool, with a major addition of specialized quantization and context modelling for low- and high-frequenty components.
[1] https://github.com/libjxl/libjxl/blob/main/doc/format_overvi...
- JPEG XL v0.9.0 Released
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Stripping Metadata
The cjxl source is here. If you spot any reason why -x strip=exif may not work, tell me.
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Www Which WASM Works
The problem is that the instructions for actually running the WASM file are not that clear... the docs the author mentions shows how to compile to WASM, which is easy enough, but then here's the instructions to make that actually work in the browser:
https://github.com/libjxl/libjxl/blob/main/tools/wasm_demo/R...
Yeah, you need some mysterious Python script, a JS service worker at runtime, choose whether you want the WASM or WASM_SIMD target, use a browser that supports Threads and SIMD if you chose that, make sure to serve everything with the appropriate custom HTTP headers... just reading that, I can see that to get this stuff working on non-browser WASM targets would likely require expertise in WASM, which is the point of the OP. WASM's UX is just not there yet.
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First automatic JPEG-XL cloud service
https://github.com/libjxl/libjxl#usage
> Specifically for JPEG files, the default cjxl behavior is to apply lossless recompression and the default djxl behavior is to reconstruct the original JPEG file (when the extension of the output file is .jpg).
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Why "sudo make install"?
I mean compiling a bleeding edge kicad, inkscape or jpeg-xl is easy. But will probably trash your system if you already have an older version installed.
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XYB JPEG: Perceptual Color Encoding Tested
But you look at your image viewer that could have the lossless indicator? (and there is an issue open to add this indicator to the jxl files)
https://github.com/libjxl/libjxl/issues/432
What are some alternatives?
Imagine - 🖼️ PNG/JPEG optimization app for macOS, Windows and Linux.
qoi - The “Quite OK Image Format” for fast, lossless image compression
squoosh - Make images smaller using best-in-class codecs, right in the browser.
Android-Image-Filter - some android image filters
Efficient-Compression-Tool - Fast and effective C++ file optimizer
DirectXMath - DirectXMath is an all inline SIMD C++ linear algebra library for use in games and graphics apps
FotoKilof - GUI for ImageMagick and Wand
libavif - libavif - Library for encoding and decoding .avif files
ImageMagick - 🧙♂️ ImageMagick 7
jxl-migrate - A simple Python script to migrate images to the JPEG XL (JXL) format
ffmpeg_batch - FFmpeg Batch AV Converter