PDF Suite by Function Labs

Compress a PDF online

Prepare a PDF for an email attachment or an online upload. Choose the file, run compression and compare the result before downloading.

Free files up to 25MB; day pass and Pro up to 50MB. Compression results vary. Already optimised documents may not become smaller; a specific output size is not guaranteed.

Drop a PDF here

or click to browse · PDF up to 25MB

No account needed to start. Save to a library only by choice.

How it works

  1. Step 1

    Choose the PDF you need to make smaller.

  2. Step 2

    Run the compression tool and inspect the result.

  3. Step 3

    Download the output and check its size and readability.

Common questions

Will every PDF become smaller?

No. Results depend on how the original PDF was created. Some files are already optimised.

Is compression free?

Compression is included in the three free everyday tasks per rolling 24 hours. You do not need an account.

Finish today's PDF jobs without another subscription.

Three free everyday tasks per 24 hours. Need the full suite? The £2.49 day pass includes 24 hours of premium access without a recurring payment.

Compare the day pass and Pro