Compress PDF
Try reducing PDF size for easier sharing. The result depends on the document and may not be smaller.
How to use Compress PDF
- Choose one PDF file.
- Select Compress PDF and wait for processing.
- Download the result, compare its size, and check visual quality.
What to know before you start
- Upload one PDF up to 20 MB. Compression uses fixed settings; there is no target-size or quality slider.
- Images may lose detail and document appearance may change. Keep the original and review the result.
- Already optimized or text-heavy PDFs may not shrink; the output can be larger. DockMe returns the processed PDF even when it is not smaller.
Files and submitted content are sent to the server for processing. DockMe does not persist or log document contents. Browser tools need no account; daily and input limits apply.
Frequently asked questions
Is a smaller file guaranteed?
No. The result depends on the source PDF. Already compact documents may stay similar in size or become larger.
Can I compress to a specific size?
No. The tool does not offer a target such as 100 KB or 1 MB.
Is compression lossless?
No. Processing can reduce image quality and resolution. Review the PDF before using it.
Can I adjust the compression level?
No. The service uses fixed settings for each request. Keep the original if the result does not meet your needs.
Related PDF tools
Developer API
Add PDF compression to your workflow
Use a free account and API key to integrate PDF operations. Free includes 1,000 counted requests per UTC day and up to 3 active keys. Rate and input limits apply.
Replace YOUR_API_KEY and the sample input with your own values. A successful request saves a PDF to the output file.
curl --fail-with-body --request POST 'https://dockme.io/api/v1/pdf/compress' \
-H 'Authorization: Bearer YOUR_API_KEY' \
-F '[email protected]' \
--output 'compressed.pdf'