Key takeaways
- Toolkitties' Compress PDF tool has no daily limit, because compression happens in your browser instead of on a server.
- Smallpdf's free plan limits you to 2 compressions a day; iLovePDF's free plan also caps daily tasks.
- Good for batch work: payroll scans, a folder of signed contracts, email attachments that keep bouncing for being too large.
- Nothing is uploaded, so there's no wait for a server and no file sitting on someone else's storage afterward.
When '2 a day' isn't enough
Compressing one PDF before emailing it is a once-in-a-while task for most people — daily limits rarely get in the way. The problem shows up for anyone compressing in batches: a teacher shrinking 30 scanned worksheets, an accountant prepping a folder of statements, anyone clearing out a backlog of oversized attachments.
That's exactly the situation a per-day cap is designed around, and exactly where it's most frustrating to hit.
How Compress PDF avoids the limit
Open Compress PDF, drop in a file (or several, one after another), choose how much to compress, and download the result — all without a sign-in screen or a counter ticking down. Because the compression runs inside your browser using pdf-lib, there's no server-side job queue to be rationed, so there's nothing to cap.
Compress PDF: free plan limits
| Toolkitties | Smallpdf (Free) | iLovePDF (Free) | |
|---|---|---|---|
| Compressions per day | No limit | 2 | Limited (varies) |
| Upload required | No | Yes | Yes |
| Shows ads | No | No | Yes |
Frequently asked questions
How much does Compress PDF actually shrink a file?
It depends heavily on the PDF — scanned image-heavy PDFs compress the most (often 50–90%), while PDFs that are already mostly text compress less, since there's less redundant image data to remove. [How to Reduce PDF File Size](/blog/how-to-reduce-pdf-file-size) covers the settings in more detail.
Will compressing a PDF make the text blurry?
No — compression in this tool targets the embedded images inside the PDF; selectable text stays exactly as sharp as the original, since text isn't stored as pixels.