SCANguaitaPDFscan 1.3 · isolated frame (sandbox): the suspicious PDF does not pass through the editor. When finished, save it clean and press Open in guaitaPDF Edit.
GUAITAPDF·SCAN
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GUAITACOMPOSE
Open a PDF to get started
Each open document appears in the palette. Place it on the canvas as many times as needed, connect the copies to the ports of a Merge and save the Final document.
Previewpages of the selected node, in order · click to go to the source
PREVIEW
Bookmarks
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Isolated suspicious PDF · the editor only receives the clean PDF you returnpdf.js · main threadoffline · 0 CDNSBS BIM Consulting 2026
Approval workflow
Create a signature block with the signature field for each person, ready to sign with a digital certificate in Acrobat Reader.
Document properties
Add blank page
Embed a PDF page
Drag over the preview to choose the area to embed.
Size and position
New document
One page per image
The image is fitted inside the page, centred
Insert pages from another PDF
Page information
Add text
Find text in the document
Watermark
18%
Sign with a digital certificate
Signing is the final step. Any later change will invalidate the signature.
PAdES (ETSI.CAdES.detached) with SHA-256 and RSA or EC keys (P-256, P-384, P-521). The private key is only used in memory and is not saved anywhere. The timestamp (TSA) needs a connection and is not included.
Index from the bookmarks
The index is inserted as editable A4 pages (texts and links). The page numbers already count the index pages.
Apply to other pages
Split the document
Fields: {doc} {n} {bookmark} {format}. The blank separator pages are not saved.
Reduce the PDF size
Sign with AutoFirma
The browser cannot use the DNIe, smart cards (idCAT, professional bodies…) or certificates installed in Windows or macOS. For these cases, sign with AutoFirma (free government application) and reopen the PDF here to verify it:
Save the final PDF with the button below (with the signature fields you have created). From this moment on, do not edit it any more.
Open AutoFirma › Select file to sign › choose the PDF › Visible signature if you want to choose the field › Sign with the certificate or the card.
Reopen it here: the mode Sign will show its verification and the document will be locked. For the next signature in the workflow, repeat step 2 with the already signed PDF.
Header and footer
The key Tab puts a separator there ⇥. A single part goes to centred; two go to left i right; three go to the left, centre and right.
Fields:
Preview · click a page to enlarge it
Electronic signature
Draw it with the mouse or your finger, or type your name and generate it.
🖨 Print · preview
×
mm
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✎ Edit PDF text
🖼 PDF image
📐 Export to DXF
Exports lines, polylines (curves are split into segments) and texts, in layers by colour. Content edits and page rotation are applied. The scale is the same as the Measure tool's. Images and shadings are not exported.