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pdfzus vs JustFill

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

pdfzus compared with JustFill
Detailpdfzus logo pdfzusJustFill logo JustFill
What it doesMerge PDFs locally and securely in your browser without uploads or registration AI app for filling out PDF forms that other software can't open
StageNot given Not given
FoundedNot given Not given
Based inDE Not given
Pricing modelFree Not given
PricingCompletely free with no limits, no subscriptions, no ads, no watermarks Free tier: preview and first clean download (hand-filled, up to 1 page) with no watermark. $7 7-Day Pass: 25 clean PDF downloads and 25 AI credits (credited toward Starter plan). Starter: $19/month with 250 pages of AI detection, 25 records per batch, 250 AI credits, 3 minutes voice dictation. Pro:
Key features
  • Drag and drop file sorting
  • Local browser-based merging with WebAssembly
  • No watermarks on merged PDFs
  • Combine PDFs and image files together
  • Compress merged PDF to target file size
  • No registration required
  • No tracking cookies
  • Dark mode support
  • Mobile-optimized responsive design
  • Offline capable after initial load
  • AI-powered field detection for scanned, flat, and fillable PDFs
  • Save and reuse form layouts as templates
  • Voice dictation in 5 languages
  • Detects tables, checkboxes, and dotted lines
What makes it different
  • DSGVO-compliant and safe for sensitive documents like applications and contracts
  • Completely free forever with no limits, ads, or hidden fees
  • Servers located in Germany with TLS encryption
  • Open source code publicly available on multiple platforms for transparency
  • Works with scanned, flattened, and non-fillable PDFs that other software cannot open
  • Full data control with review before download and full GDPR compliance
Community votes00
DR (Domain Rating by Ahrefs)39 no change since last check31 no change since last check
Trust Flow (Majestic)1310
Citation Flow (Majestic)2930
Referring domains (Majestic)23349

4 details filled in for both companies.

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