Questions tagged “image compression”

Ask the Unique Photo creator community — gear, technique, post-processing and more.

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Why does GIMP let me export a JPEG at a higher quality than the original?

gimpexportimage-compressionfile-formatsjpeg

Photography Stack Exchange contributor

6y ago

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315

Why can a lower-resolution image have a larger file size than a higher-resolution one?

resolutionimage-compressionjpegfile-sizeimage-noise

Photography Stack Exchange contributor

6y ago

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186

What software can batch compress and watermark images for web use?

softwareweb-imagesimage-compressionwatermarkingbatch-processing

Photography Stack Exchange contributor

7y ago

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220

Can I identify Google Photos recompressed JPEGs from metadata after Google Takeout?

google-photosmetadataexiftoolimage-compressionjpeg

Photography Stack Exchange contributor

8y ago

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220

Why do two 128×128 PNGs have very different file sizes, and how can I make one smaller?

bit-depthpngimage-compressionweb-graphicsfile-size

Photography Stack Exchange contributor

8y ago

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269

How can I make JPEG uploads stay under a fixed file size like 300 KB?

androidmobile-photographyimage-compressionjpegfile-size

Photography Stack Exchange contributor

9y ago

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291

Why are same-resolution photos different file sizes?

image-formatimage-compressionjpegfile-sizesmartphone-photography

Photography Stack Exchange contributor

10y ago

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135

How can I show one photo on a webpage with low-quality background compression but higher-quality detail areas?

html-csssvgweb-imagesimage-compressionjpeg

Photography Stack Exchange contributor

11y ago

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271

What lossy formats can compress 16-bit grayscale images without reducing dynamic range?

jpeg2000image-compressionfile-formats16-bitgrayscale

Photography Stack Exchange contributor

11y ago

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231

Why does a JPEG get larger when I re-save it at maximum quality in Photoshop?

photoshopimage-compressionjpegeditingfile-size

Photography Stack Exchange contributor

12y ago

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226

Can a JPEG be truly 1-bit black-and-white?

black-and-whitepngimage-compressionfile-formatsjpeg

Photography Stack Exchange contributor

13y ago

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186

Is JPEG 2000 worth using for photos, and is software support good enough?

jpeg2000workflowimage-compressionfile-formatsjpeg

Photography Stack Exchange contributor

14y ago

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458

Why does Adobe Photoshop's JPEG quality setting go up to 12?

photoshopimage-compressionfile-formatsjpegadobe

Photography Stack Exchange contributor

15y ago