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PDFup vs TweakPDF

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

PDFup compared with TweakPDF
DetailPDFup logo PDFupTweakPDF logo TweakPDF
What it doesFree browser-based PDF tools for merging, editing, converting and organizing files without uploads Edit text in PDF online, in the same font
StageNot given Not given
FoundedNot given Not given
Based inNot given PL
Pricing modelFree Freemium
PricingAll tools are completely free with no limits on file size, number of files, or usage frequency. Free: 3 files a month, no card needed. Pro: $6 a month, $24 every 6 months ($4/month), or $36 a year ($3/month) for up to 1,000 files a month. All plans renew automatically and can be cancelled anytime.
Key features
  • Merge multiple PDF files
  • Compress PDF file size
  • Edit and annotate PDFs
  • Convert images to PDF and vice versa
  • Create and fill PDF forms
  • Sign PDFs digitally
  • Organize and rotate pages
  • Compare two PDF versions
  • Edit text in document's own font without shifting layout
  • Deleted text is removed from file, not hidden
  • Edit scanned PDFs by patching images
  • Add signatures to PDFs
  • Preview before download
  • Font substitution with warning
  • Edit without account signup
  • Support for up to 100 pages and 25 MB files
What makes it different
  • 100% client-side processing with no file uploads to servers
  • Works offline after initial page load
  • Deleted, not hidden: replaced text is completely removed from the file, making it truly searchable and editable
  • No layout shift: new text sits on the same baseline in the document's original font
  • Works on scanned PDFs: patches images and draws new text where no text layer exists
  • Sign PDFs with actual ink, not certified digital signatures
Community votes00
DR (Domain Rating by Ahrefs)4 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)60
Citation Flow (Majestic)2816
Referring domains (Majestic)112

5 details filled in for both companies.

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