iLovePDF Alternative
iLovePDF alternative: compress, merge, split, watermark, rotate PDFs and more — all 100% in your browser. No upload, no signup, no file size limits.
| Feature | iLovePDF | Smallpdf | StaxFree |
|---|---|---|---|
| 100% client-side (no upload) | ❌ | ❌ | ✅ |
| No signup required | ✅ | ⚠️ | ✅ |
| Daily / size limits (free) | 200 MB / caps | 2 tasks/day | None |
| PDF merge | ✅ | ✅ | ✅ |
| PDF split | ✅ | ✅ | ✅ |
| PDF compress | ✅ | ✅ | ✅ |
| PDF rotate | ✅ | ✅ | ✅ |
| Watermark PDF | ✅ | ✅ | ✅ |
| Add page numbers | ✅ | ❌ | ✅ |
| Image to PDF | ✅ | ✅ | ✅ |
| PDF to Word / Excel | ✅ | ✅ | ❌ |
| OCR (scanned PDFs) | ✅ | ✅ | ❌ |
| e-Signature | ✅ | ✅ | ❌ |
| Works offline (cached) | ❌ | ❌ | ✅ |
| Price | Free / €4/mo | Free / $12/mo | Free |
iLovePDF vs browser-based PDF tools
iLovePDF is one of the most popular online PDF platforms — 20+ tools, clean UI, widely recommended. Its limitation is the same as all cloud PDF tools: your files travel to their servers, get processed, and are temporarily stored there. For anything you'd be uncomfortable emailing, that's a meaningful risk. iLovePDF's free tier also enforces a 200 MB file limit and daily conversion caps.
What Stax does differently
Stax PDF tools use PDF-lib for manipulation (merge, split, watermark, page numbers, rotate) and a client-side compression pipeline for file size reduction. Zero network requests are made with your file data — you can verify this yourself by opening DevTools → Network tab and watching for XHR/Fetch calls when you click Process. You'll see none. There are also no daily limits, no file count caps, and no login prompts.
Where iLovePDF still wins
iLovePDF offers PDF-to-Word, PDF-to-Excel, PDF-to-PowerPoint conversion, PDF form filling, e-signatures, and OCR — all server-side operations that can't run meaningfully in a browser today. If you need to extract a spreadsheet from a PDF or make a scanned document searchable, iLovePDF (or Adobe Acrobat) is still the right choice.
Who uses Stax as an iLovePDF alternative
Legal professionals compress and merge court filings without uploading confidential client documents to a third-party server. Accountants and CA firms split large audit reports and add page numbers to financial statements. Small business owners in India create PDF invoices from images of bills and receipts. Students merge multiple assignment pages and compress them to meet submission file size limits. HR teams watermark offer letters and add page numbers to policy documents — all without creating iLovePDF accounts or hitting daily limits.
PDF compression — how Stax does it differently
iLovePDF compresses PDFs on its servers using Ghostscript or similar engines, which can achieve aggressive compression of scanned images and embedded fonts. Stax compresses PDFs client-side by re-encoding embedded images at a lower resolution using the Canvas API. For PDFs that are primarily text, the size reduction is moderate (10–30%). For PDFs with high-resolution embedded images or scans, the reduction is much greater (50–80%). If you have a text-only PDF, Stax is sufficient. For image-heavy PDFs requiring maximum compression, iLovePDF or Smallpdf may yield smaller files.
File size limits and browser performance
Stax has no server-imposed file size limit — your browser's available RAM is the practical ceiling. On a modern desktop or laptop with 8+ GB RAM, PDFs up to a few hundred MB work smoothly. On mobile devices (iPhones, Android phones), files up to 50 MB process without issues. For very large PDFs (500 MB+), a desktop application like Adobe Acrobat or Foxit PDF is more suitable than any browser-based tool.
Frequently asked questions
- Is Stax a real iLovePDF alternative?
- For the core PDF operations — yes. Stax covers PDF compression, merging, splitting, page rotation, watermarking, adding page numbers, and image-to-PDF conversion. All run entirely in your browser with no file upload. iLovePDF processes files on its servers and h 200 MB limit on the free tier. Stax h server-side limit because no server is involved.
- Why does it matter that Stax doesn't upload PDFs?
- PDFs often contain sensitive content: contracts, tax documents, medical records, financial statements, NDA materials. When you upload to iLovePDF (or any cloud tool), your file is stored on their servers temporarily — creating a window of exposure. Stax processes everything in your browser using PDF-lib and PDF.js. The file never leaves your device.
- What's the file size limit on Stax PDF tools?
- There's no server-side limit. The practical limit is your browser's available RAM. Modern browsers handle PDF files up to several hundred MB comfortably on desktop. For very large PDFs (500 MB+), a desktop app like Adobe Acrobat or Foxit is more appropriate.
- Does Stax support OCR (making scanned PDFs searchable)?
- Not currently. OCR is a computationally intensive task that's difficult to run in-browser at acceptable speed. iLovePDF h via server-side Tesseract. If you need to make a scanned PDF searchable, Adobe Acrobat or iLovePDF's OCR feature is the right tool for that specific task.
- Can I use Stax PDF tools on my phone?
- Yes. All Stax PDF tools work on Android and iOS browsers. Mobile RAM is the limiting factor for very large files — most standard-size PDFs (under 50 MB) process without issues on modern smartphones.