Key takeaways
- Smallpdf's free plan caps you at 2 tasks a day; iLovePDF's free plan also limits daily tasks and file size, and shows ads.
- Both iLovePDF and Smallpdf upload your file to their servers to process it, even on the free plan.
- Toolkitties processes every file inside your own browser, so there's no daily task limit and your file is never uploaded anywhere.
- If you only need one PDF merged or compressed occasionally, any of the three will work fine — the difference shows up once you're doing this regularly.
Why free PDF tools run out partway through your work
Most online PDF tools process your file on a server somewhere — that server costs money per file, so free plans are built around limiting how much of that cost the company absorbs. That's a reasonable business decision, but it means you can be mid-task (merging a stack of receipts, compressing a batch of scans) and suddenly hit a wall.
Toolkitties takes a different approach: your file never leaves your device. The compressing, merging, or converting happens in your browser's own memory, using your computer's processing power instead of a server. That removes the cost that daily limits exist to manage, which is why there isn't one.
Free plan, side by side
| Toolkitties | iLovePDF (Free) | Smallpdf (Free) | |
|---|---|---|---|
| Daily task limit | None | Limited (varies by task) | 2 tasks per day |
| File size limit | Limited by your device's memory, not an artificial cap | Yes, on the free plan | Yes, on the free plan |
| Account / signup required | No | No for basic tools | No for basic tools |
| Where your file is processed | In your browser — never uploaded | Uploaded to their servers | Uploaded to their servers |
| Ads on the free plan | No | Yes | No, but upgrade prompts |
| Price for unlimited use | Free | From $5/month | From $10–12/month |
So which should you actually use?
If you process PDFs often — invoices every week, scans every day, a batch of contracts before a deadline — a daily limit is the thing most likely to interrupt you. That's the specific problem Toolkitties is built to not have.
If your documents are sensitive (contracts, medical records, financial statements), where the file is processed matters as much as the limit. Are online PDF tools safe? goes into this in more detail — in short, a tool that never uploads your file has a smaller attack surface by definition, because there's no upload to intercept or server copy to leak.
Smallpdf and iLovePDF are polished, well-built products — this isn't a claim that they're bad tools. It's that a client-side tool and a server-side tool are solving the same visible problem with a different cost structure underneath, and that difference becomes visible the moment you hit a limit.
Frequently asked questions
Is Toolkitties really free with no catch?
Yes. There's no daily task limit, no account requirement for the tools, and no file size cap beyond what your own device's memory can handle. The site is supported by optional supporter plans and ads, not by limiting the free tools.
Why don't more sites work this way?
Processing a file in the browser instead of on a server is more work to build for the kind of complex, multi-step tools iLovePDF and Smallpdf also offer (editing, e-signatures, OCR) — which is part of why Toolkitties has been adding these the same way, one at a time, rather than all at once.
Does 'processed in your browser' mean it works offline?
For most tools, yes, once the page has loaded — merging, compressing, converting and similar tasks don't need an internet connection after that. A few tools, like AI PDF Chat, need to download a small model the first time, which does need a connection.