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Head-to-head · PDF Repair Software

DataNumen PDF Repair vs Stellar Online PDF Repair

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score DataNumen PDF Repair #3 in PDF Repair Software 8.6/10 Paid ✓ 2 of 2 features Visit DataNumen
Stellar Online PDF Repair #6 in PDF Repair Software 8.2/10 Free plan Free plan✓ 1 of 2 features Visit Stellar

DataNumen PDF Repair leads on 1 check, Stellar Online PDF Repair on 1, and 1 is even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDataNumen PDF Repair · 8.6/10
  • Free planonly Stellar Online PDF Repair
  • Most featuresDataNumen PDF Repair · 2 of 2

DataNumen PDF Repair scores higher on our rubric for pdf repair software: 8.6 against 8.2 out of 10; our editors rank them #3 and #6.

Stellar Online PDF Repair offers free plan; DataNumen PDF Repair doesn't. DataNumen PDF Repair offers batch repair; Stellar Online PDF Repair doesn't. On repair scope, DataNumen PDF Repair gives you Batch where Stellar Online PDF Repair offers File. On supported os, Stellar Online PDF Repair gives you Web where DataNumen PDF Repair offers Windows. On license type, DataNumen PDF Repair gives you Perpetual where Stellar Online PDF Repair offers Subscription.

DataNumen PDF Repair is the better fit for teams needing batch recovery and a preview. Stellar Online PDF Repair is the better fit for users wanting a web tool with repair previews.

  • DataNumen PDF Repair fits best

    Teams needing batch recovery and a preview

  • Stellar Online PDF Repair fits best

    Users wanting a web tool with repair previews

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.

Side by side

Feature DataNumen PDF Repair 8.6/10 Visit ↗ Stellar Online PDF Repair 8.2/10 Visit ↗
At a glance
Editor score 8.6 8.2
Ranking #3 in PDF Repair Software #6 in PDF Repair Software
Best for Teams needing batch recovery and a preview Users wanting a web tool with repair previews
Pricing model Paid Free plan + paid
Starting price — $9.99/mo
Free plan — ✓ (best)
Free trial — —
Deployment Desktop Cloud
Platforms Windows Web
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business
Features DataNumen PDF Repair 2/2 · Stellar Online PDF Repair 1/2
Batch repair ✓ (best) —
Preview recovery ✓ ✓
Specs
Repair scope Batch File
Supported OS Windows Web
File size limit Not checked yet 25 MB
License type Perpetual Subscription
Our review
Pros
  • Repairs multiple PDFs in a batch.
  • Recovers pages, text, images, fonts and other PDF elements.
  • Demo previews recovered content before purchase.
  • Automatically scans and repairs corrupted PDFs
  • Previews repaired content before saving
  • Supports PDF versions 1.3 through 1.7
Cons
  • Runs on Windows only.
  • The demo previews recovery but cannot save repaired files.
  • Paid per-user licensing starts at 149.95.
  • Repairs only one file at a time
  • Free plan is limited to one file per month and 10 MB
  • Premium costs $9.99 monthly and covers five files per month
Our verdict

DataNumen PDF Repair is desktop software for repairing damaged or corrupt Adobe PDF files on Windows. It is aimed at individuals and teams that need to recover document content, including pages, text, images, fonts and other PDF elements.…

Read the review →

Stellar Online PDF Repair is a browser-based service for repairing corrupted PDF files without installing software. It is aimed at solo users and small organizations that want to upload a document, let the service scan and repair it, then…

Read the review →
  1. DataNumen PDF RepairPDF Repair Software 8.6Paid
  2. Stellar Online PDF RepairPDF Repair Software 8.2Free plan

Strengths and trade-offs

  • DataNumen PDF Repair — where it wins

    • Repairs multiple PDFs in a batch.
    • Recovers pages, text, images, fonts and other PDF elements.
    • Demo previews recovered content before purchase.

    Where it doesn't

    • Runs on Windows only.
    • The demo previews recovery but cannot save repaired files.
    • Paid per-user licensing starts at 149.95.

  • Stellar Online PDF Repair — where it wins

    • Automatically scans and repairs corrupted PDFs
    • Previews repaired content before saving
    • Supports PDF versions 1.3 through 1.7

    Where it doesn't

    • Repairs only one file at a time
    • Free plan is limited to one file per month and 10 MB
    • Premium costs $9.99 monthly and covers five files per month

More comparisons

All PDF repair software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update