How to Batch Compress Online
Step-by-step instructions to compress multiple pdfs at once with ZiaSign.
Why this workflow matters
ZiaSign's batch compression tool processes multiple PDF files simultaneously. Upload up to 50 files, set your compression level, and download all compressed files as a ZIP. Save hours compared to compressing one file at a time.
Step by step
Batch Compress is one of the fastest ways to compress multiple pdfs at once. Pro access gives you the full workflow.
- 1
Upload multiple PDFs
- 2
Set compression quality
- 3
Click 'Batch Compress'
- 4
Download ZIP of compressed files
Frequently asked questions
How many files can I compress at once?
Up to 50 PDF files per batch. Each file can be up to 300 MB.
Can I set different compression levels?
One compression level applies to all files in the batch. Choose low, medium, or high compression.
How much space can I save?
Typical savings range from 40–80% depending on the content. Image-heavy PDFs see the largest reductions.
Are all files downloaded at once?
Yes. All compressed files are bundled into a single ZIP archive for easy download.
More specific workflows for this tool
Related guides
How to Batch Convert Online
Step-by-step instructions to convert multiple pdfs to another format at once with ZiaSign.
Read guideHow to Batch Watermark Online
Step-by-step instructions to add watermarks to multiple pdfs at once with ZiaSign.
Read guideHow to Workflow Pipeline Online
Step-by-step instructions to chain multiple tools into a multi-step pipeline with ZiaSign.
Read guideReady to run the actual workflow?
You have the steps. Open the tool, process the file, and then move into the next recommendation if the document still needs cleanup, protection, or conversion.