Publisher document .pub
A desktop publishing document used by Microsoft Publisher.
Server conversion requires a compatible engine we host and a verified file variant.
PUB file format guidePUB to J2K converter
Convert Publisher document (.pub) to J2K for free. Choose files, review the available settings and download your results. No account needed.
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JPEG 2000 codestream .j2k
A raw JPEG 2000 codestream containing compressed image data. Unlike JP2, it does not use the surrounding JP2 file-format box structure.
Raw codestream output has fewer container metadata facilities than JP2.
J2K file format guideHow to convert PUB to J2K
- Select PUB files from your device or drag them into the converter.
- Check the J2K output. Open conversion settings if you want to make adjustments.
- Convert, compare the original and result, then download your files.
Quality, compatibility and file limits
Fonts and unsupported document features may affect layout. Macros and external-link refresh are disabled.
Processing uses your device when possible and our servers when required. Browser files are limited to 256 MB each; server conversions to 64 MB; browser spreadsheets to 32 MB. Previews show supported content and do not guarantee identical rendering in every application.