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Everything you need to do with PDFs

One application for your entire PDF workflow – fast, clear and fully local.

01

Edit text

Click into a paragraph and simply keep typing. Font, size and colour are preserved.

Edit PDF

02

Highlight & annotate

Highlight, underline, strike through and add notes – in your colour.

03

Select & delete

Select text, press Delete – the paragraph closes the gap cleanly. Ideal for removing outdated details.

Edit PDF

04

Sign

Draw and place your signature – or sign digitally with a certificate.

Sign PDF

05

Fill in forms

Click fields, type, tick boxes – including calculations and validation inside the form.

Fill PDF forms

06

Text recognition (OCR)

Scanned pages become searchable, copyable text. Locally, no upload.

OCR PDF

07

Merge

Combine several PDFs into one file by drag & drop – or split them.

Merge PDF

08

Compress

Shrink large files for e-mail and upload portals. The original stays untouched.

Compress PDF

09

Export to Office

Convert PDFs to Word, Excel or PowerPoint and keep working there.

PDF to Word
CtdPDF Pro 2026

Everything in Standard, plus:

Everything in Standard plus pro tools: redaction, web forms, editable scans and marketing tools.

  • Redact confidential content (permanently removed)
  • Create web forms (add form fields)
  • Convert scans into editable PDF files
  • Marketing tools: generate flyers, social content and presentations from documents
Buy Pro · €179.10 Redact PDF

Already on CtdPDF Standard? Upgrade to Pro in your account – just €45.00 (Halloween Sale −10 %, instead of €50.00) difference, same licence key.

CtdPDF Pro: IBAN and email address marked for redaction in a contract, “Apply redactions” on the right
CtdPDF settings, License tab: Muster GmbH, product CtdPDF Pro 2026 with PRO badge, status Activated
Redaction in CtdPDF Pro 2026 – content is removed for good, not just covered up.

Feature set

Everything included. Already in Standard.

No feature puzzle, no add-ons: CtdPDF Standard contains the tools you need every day.

  • View & search

    Fast rendering, tabs, full-text search, bookmarks.

  • Edit text

    Change, delete and move text right in the document.

  • Images & graphics

    Select and edit pictures, logos and shapes.

  • Highlight

    Highlight, underline, strike through.

  • Notes & comments

    Attach notes and reply to comments.

  • Draw

    Freehand, shapes, arrows and stamps.

  • Forms

    Fill in forms including calculations.

  • Signature

    Handwritten or digital with a certificate.

  • OCR

    Make scans searchable and copyable.

  • Office export

    Word, Excel, PowerPoint, text and HTML.

  • Create PDFs

    New PDFs from images and text.

  • Merge

    Combine several files into one.

  • Split

    Separate by pages or ranges.

  • Organise pages

    Insert, delete, rotate, reorder.

  • Compress

    Reduce file size significantly.

  • Password protection

    AES-256 encryption and permissions.

  • Print

    Own print dialog with live preview.

  • Light & dark

    Eye-friendly dark theme included.

  • German & English

    User interface in both languages.

  • Local & offline

    Your documents never leave your PC.

Ready for PDFs without a subscription?

Try it free for 7 days – then buy once, no subscription. Get your trial licence with all Pro features in your free customer account.

Try free for 7 days Buy now

Free sign-up is all it takes · no payment details · one-time price incl. VAT · Windows 10 & 11