PDF Toolbox vs PDF Candy — Which PDF Tool Is Right for You?

An honest, side-by-side comparison of features, privacy, and pricing. Updated May 2026.

FeaturePDF ToolboxPDF Candy
Compress PDF
Merge PDF
Split PDF
PDF to JPG
JPG to PDF
PDF to WordComing soon
PDF to ExcelComing soon
HTML to PDF
Add Watermark
Remove Pages
Files uploaded to server❌ Never✅ Yes
Free daily limitUnlimited2 tasks/day
Registration required❌ No❌ No (for free tier)
Privacy-first✅ 100% local❌ Server processing
Open source librariesYes (pdf-lib.js)Proprietary
Offline access✅ Yes (PWA)❌ Requires internet

Why Choose PDF Toolbox Over PDF Candy?

The biggest difference is privacy. PDF Candy uploads your files to their servers for processing — that means your contracts, tax documents, and personal files pass through third-party infrastructure. PDF Toolbox processes everything locally in your browser using WebAssembly. Your files never leave your computer.

The second difference is unlimited use. PDF Candy restricts free users to just 2 tasks per day — that's barely enough for even light use. PDF Toolbox has no daily limits, no registration walls, and no hard file size caps. Process as many files as you need, whenever you need them.

PDF Candy does offer a broader set of tools in their free tier, including PDF to Excel, HTML to PDF, and ePub conversion. If you need those specific formats, PDF Candy's free tier offers value. But for everyday PDF tasks — compress, merge, split, convert — PDF Toolbox gives you comparable functionality with better privacy, no daily caps, and completely free access.

When PDF Candy Might Be Better

  • You need PDF to Excel conversion
  • You need HTML to PDF conversion
  • You need ePub format conversion
  • You need OCR (optical character recognition) for scanned PDFs
  • You prefer a server-processed workflow and don't mind the 2-task daily limit

Privacy Comparison: Local vs Server Processing

PDF Candy is a server-based tool, meaning every file you upload is transmitted over the internet and processed on their servers. While PDF Candy states files are deleted after processing, your documents still momentarily exist on third-party infrastructure — a dealbreaker for legal, medical, or financial documents.

PDF Toolbox runs entirely in your browser using client-side WebAssembly. Your files are loaded into browser memory, processed locally, and never transmitted anywhere. The site works offline once loaded (PWA), so you don't even need an internet connection to compress or merge PDFs.

Bottom line: If privacy matters — and with PDFs, it usually does — PDF Toolbox is the clear winner. No uploads, no server logs, no third-party access.

Frequently Asked Questions

Is PDF Toolbox really free?

Yes. PDF Toolbox is completely free with no daily limits, no registration, and no hidden fees. All tools work directly in your browser — unlike PDF Candy, which limits you to 2 free tasks per day.

Does PDF Toolbox upload my files?

No. Unlike PDF Candy, PDF Toolbox processes all files locally in your browser using WebAssembly and JavaScript. Your documents never leave your computer — PDF Candy uploads files to their servers for processing.

Why is PDF Candy limited to 2 free tasks per day?

PDF Candy is a freemium product that processes files on their servers, which costs them money. The 2-task daily cap pushes users toward their paid plans. PDF Toolbox, by contrast, processes everything locally in your browser, so there are no server costs — and no limits.

Can PDF Toolbox handle large PDF files?

Yes. Since processing happens locally in your browser, the only limit is your device's memory. Most modern browsers handle 500MB+ files without issues. PDF Candy, on the other hand, must upload your file first, which can be slow on large documents.

Is PDF Toolbox safe for sensitive documents?

Extremely safe. Your files are never uploaded to any server — all PDF manipulation happens client-side in your browser using pdf-lib.js, an open-source library. With PDF Candy, your sensitive documents are transmitted to and stored on third-party servers during processing.

Ready to try PDF Toolbox?

No registration. No uploads. Unlimited use. 100% free.

Start Using PDF Toolbox →