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Organize

Merge PDF Split PDF Extract pages Delete pages Reorder pages Rotate PDF

Optimize

Compress PDF PDF to JPG JPG to PDF Grayscale PDF Repair PDF

Convert

PDF to Word PDF to Excel PDF to PowerPoint Word to PDF HTML to PDF

Edit and secure

Edit PDF Sign PDF Watermark Lock PDF Remove password OCR PDF

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iLovePDF Smallpdf Adobe Acrobat PDF24

Organize

Merge PDF Split PDF Extract pages Delete pages

Optimize

Compress PDF PDF to JPG JPG to PDF Grayscale PDF

Convert

PDF to Word PDF to Excel PDF to PowerPoint Word to PDF

Edit and secure

Edit PDF Sign PDF Lock PDF Remove password

StackPDF

All tools Pricing My files

Account Help center Articles Contact

StackPDF vs

iLovePDF Smallpdf

Adobe Acrobat PDF24

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Secure PDF tools

Add or remove passwords, set permissions, redact and sign with a certificate.

8 tools
All run in your browser
No watermarks

Lock PDF
Add a password with AES-256 encryption
Remove PDF password
Remove a password you already know
Set permissions
Allow or block printing, copying and editing
Sanitize PDF
Strip metadata, attachments and hidden data
Edit metadata
Change the title, author, subject and keywords
Redact PDF
Remove text from the file, not just hide it
Digital signature
Apply a PKCS#12 digital signature
Verify signatures
Inspect digital signatures in a PDF

Lock PDFAdd a password with AES-256 encryption
Remove PDF passwordRemove a password you already know
Set permissionsAllow or block printing, copying and editing
Sanitize PDFStrip metadata, attachments and hidden data
Edit metadataChange the title, author, subject and keywords
Redact PDFRemove text from the file, not just hide it
Digital signatureApply a PKCS#12 digital signature
Verify signaturesInspect digital signatures in a PDF

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All 8 tools run in your browser. They open and process your file on your device, so it is never uploaded.

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Other categories

16 tools
Organize
Merge, split, reorder, rotate and tidy up the pages of a PDF.See organize tools
10 tools
Optimize
Make PDFs smaller, repair them, and turn pages into images and back.See optimize tools
11 tools
Convert
Turn PDFs into Word, Excel, PowerPoint or text, and Office files into PDFs.See convert tools
13 tools
Edit
Change text, sign, watermark, number pages and mark up a PDF.See edit tools
3 tools
Text
Pull text out of PDFs, search across files and make scans searchable.See text tools