PDF shows 1 MB but will not upload? Check the bytes first
A rounded file size can hide an upload-limit problem. Work through a byte calculation, identify image-heavy pages, and decide what to do when compression is not enough.
PDF guides
Practical explanations of PDF compression, upload limits and document quality.
Compress a PDF
Choose the size your recipient requires, then compare the downloaded result with your original. Check the actual result before submitting.
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