An iLovePDF and Smallpdf Alternative That Keeps Your Files on Your Device
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iLovePDF and Smallpdf are two of the best-known online PDF services, and for good reason: they are polished, cover almost every PDF task you can think of and work on any device. But they share one design choice that matters to a lot of people: to process a document, your file is sent to their servers. For a restaurant menu that is irrelevant. For a signed contract, a medical report or a payslip, you may prefer that the file never leaves your computer at all.
This article compares that server-based approach with in-browser processing, the model pdfdots uses for most of its tools. The goal is not to claim one service is bad. It is to explain the trade-offs clearly so you can pick the right tool for each document.
How iLovePDF and Smallpdf process your files
Both services follow the classic web-app model. You choose a file, it is uploaded over an encrypted connection, their servers do the work, and you download the result. Both publish privacy and security pages explaining that uploaded files are deleted automatically after a period of time, and both describe their data protection measures in detail. There is no reason to assume they misuse files; they are established companies with clear policies.
Still, uploading means a copy of your document exists, however briefly, on infrastructure you do not control. Whether that is acceptable depends on the document, on your employer's rules and sometimes on legal obligations such as client confidentiality. If you work somewhere with a strict data-handling policy, an upload to any third-party service may simply not be allowed, no matter how trustworthy the provider is.
What in-browser (client-side) PDF processing means
Modern browsers can run serious code. With JavaScript and WebAssembly, a web page can open a PDF, reorder its pages, merge it with other files or encrypt it, all inside the browser tab. The page downloads the program once; your document stays in your device's memory and the finished file is saved straight back to your disk.
On pdfdots, most tools work this way, including Merge PDF, Split PDF, Compress PDF, Rotate, Protect and Sign. You can verify it yourself: open your browser's developer tools, switch to the Network tab and run a merge. You will see the page's own scripts load, but no request carrying your PDF.
- Your file is not uploaded, so there is no server copy to delete
- Processing speed depends on your device, not on a queue or your upload bandwidth
- Once the page has loaded, many tools keep working even if your connection drops
- Very large files are limited by your device's memory rather than a server quota
Free limits, sign-up and watermarks compared
iLovePDF and Smallpdf both run a freemium model: a useful free tier plus paid plans that unlock things like larger files, batch processing, more tasks per day or desktop apps. The exact limits change over time, so check their current pricing pages rather than relying on any blog post, including this one. Neither is unreasonable; running servers costs money and paid plans fund that.
Because pdfdots does most of the work on your own device, it does not need to ration server time for those tools. The browser-based tools have no daily task limit, need no account and add no watermark to your output. That is not generosity so much as a consequence of the architecture: when your computer does the processing, there is little to meter.
Where pdfdots does upload files, and why
Being fair means being clear about exceptions. Converting between PDF and Office formats is hard to do well inside a browser, so four pdfdots tools use a server: PDF to Word, Word to PDF, Excel to PDF and PowerPoint to PDF. For these, the file is sent over HTTPS to a pdfdots server in the EU, converted and deleted immediately after the result is returned. The maximum file size for these conversions is 50 MB.
So if your concern is that a document must never leave your device, use the in-browser tools and avoid the Office converters for that file. If your concern is only long-term storage, the immediate deletion may be enough. Each tool page says which model it uses.
Where the big services are still the better choice
An honest comparison has to include what pdfdots does not do yet. iLovePDF and Smallpdf offer features that pdfdots currently lacks, and depending on your needs those can outweigh privacy considerations.
- OCR: pdfdots has no OCR yet, so it cannot turn a scanned page into searchable, editable text
- Legally recognised e-signatures: the pdfdots signing tool places an image of your signature, it is not a qualified or certified electronic signature workflow
- Cloud integrations and team features such as shared workspaces or storage connections
- Native desktop and mobile apps, if you prefer those to a browser
How to merge PDFs without uploading them
Merging is one of the most common PDF jobs and a good way to try the client-side approach. Open Merge PDF on pdfdots, drop in your files, drag them into the order you want and click merge. The combined PDF is built in your browser and downloaded directly, with no account and no watermark.
A practical tip: if you are combining scans or image-heavy documents, merge first and then run Compress PDF on the result. Compression on pdfdots re-renders pages as JPEG images, which shrinks file size a lot but, at stronger levels, makes text non-selectable, so keep the uncompressed merged file as well if you may need to copy text later.
Frequently asked questions
Is pdfdots a free alternative to iLovePDF and Smallpdf?
Yes. All pdfdots tools are free to use without an account. The in-browser tools have no usage limits or watermarks. It does not replicate every feature of those services; for example, there is no OCR yet.
Do iLovePDF and Smallpdf keep my files?
Both state in their policies that uploaded files are deleted automatically after processing within a set time. Read their current privacy pages for the exact details, as retention periods can change.
Which pdfdots tools upload my file?
Only PDF to Word, Word to PDF, Excel to PDF and PowerPoint to PDF. They send the file over HTTPS to an EU server, convert it and delete it immediately. Everything else runs in your browser.
Can I use pdfdots offline?
The browser-based tools need an internet connection to load the page, but the processing itself happens on your device, so a brief connection drop during a merge will not interrupt it.