QuickConvert vs Smallpdf: local vs cloud
Smallpdf has millions of users and runs entirely in a browser. QuickConvert is a desktop app that does the same conversions on your own machine. Cloud vs local is the difference that matters, and most people don't think about it until they should have.
How each one works
Smallpdf uploads your file to its servers, converts it there, and sends back a download link. QuickConvert never touches the internet — the conversion happens on your CPU.
What that means for privacy
For a meme or a recipe, the cloud-vs-local thing doesn't matter. For a tax return, a signed contract, a medical scan, a salary review — it matters a lot. Once you upload a file, it sits on someone else's server for at least a few hours, and you're trusting their security and their privacy policy. QuickConvert removes that question entirely because the file never leaves your laptop.
Speed
Smallpdf is as fast as your upload speed and their server load. QuickConvert is as fast as your CPU. For anything under 50MB, which covers almost everything people convert, QuickConvert was faster in our tests. For files over 100MB, it's not close — local processing skips the upload and download entirely.
Limits
Smallpdf's free tier caps you at 2 conversions a day and 5MB per file. Past that, you pay $9 a month. QuickConvert has no caps. Convert what you want, when you want.
Formats
QuickConvert handles 50+ formats including audio and video. Smallpdf focuses on PDF-related conversions and gets thin past that.
Bottom line
If you convert one non-sensitive file a month, Smallpdf is fine. For anything else — frequent use, sensitive files, large files — QuickConvert is faster, private, and free with no limits.