Free Online PPTX Document Signature

Sign PPTX documents online from any device, with a modern browser like Chrome, Firefox

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Discover GroupDocs.Signature free online app!

  • Sign electronically PDF, DOCX, XLSX, PPTX, RTF, ODS, OTS, ODP, JPEG, PNG, GIF and many more document formats (see supported formats list).
  • Upload your Excel, Word, PowerPoint, Images or PDF documents and sign them in your browser.
  • Protect your PPTX documents with electronic signatures fast and easy
  • eSign PPTX from anywhere - it works on all platforms including Windows, MacOS, Android and iOS
  • Generate Barcode or generate QR online for free.
  • All PPTX files are processed on our servers so no additional plugins or software installation is required
  • Powerful set of PPTX document eSign types: Digital, QR-code, Barcode, Form Field, Text, Image, Stamp, Metadata and others
  • All PPTX files are processed using GroupDocs.Signature document eSign API

PPTX PowerPoint Open XML Presentation

Files with PPTX extension are presentation files created with popular Microsoft PowerPoint application. Unlike the previous version of presentation file format PPT which was binary, the PPTX format is based on the Microsoft PowerPoint open XML presentation file format. A presentation file is a collection of slides where each slide can comprise of text, images, formatting, animations, and other media.

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How to

 How to sign PPTX document using GroupDocs.Signature App?

  • Select your PPTX document for signing.
  • For signing your PPTX document first select sign type (Digital, Text, Barcode, Image, Stamp, QR-code).
  • Enter signature value or select image signature if sign type is Image or Digital.
  • Select location and size signature or signatures.
  • Сlick 'Sign document and download result' button.
  • Get your signed document from browser downloads.

Powered By

 GroupDocs.Signature for .NET API

Flexible document eSign .NET library & API.
Secure you solutions with powerful document eSign features!

More Platforms

 GroupDocs.Signature for Java

Java version of GroupDocs.Signature library & API.
Best choiсe for document signing in Java!

 GroupDocs.Signature Cloud

Easy to use cross-platform Cloud solution.
eSign documents from popular programming languages with our Cloud API!

Open-Source UI/UX Solutions

 GroupDocs.Signature for .NET and Java

Integrate document eSign features in your apps using our out-of-the-box open-source front-end solutions based on Angular and GroupDocs.Signature for .NET/Java.
UI/UX solutions can be run as standalone application or can be integrated in any .NET/Java application, download and build your eSign solution within few clicks!

 GroupDocs.Total for .NET and Java

GroupDocs.Total is an open-source UI/UX solution where all GroupDocs products are working together as one.
GroupDocs.Total provides multiple high quality features against over 120 document formats, such as conversion, signature, parser and much more!

Other Signature file formats.

You can also sign other file formats. Please see the list below.

BMP Signature (Bitmap Image File)
CDR Signature (CorelDRAW Image File)
CMX Signature (CorelDRAW Metafile Exchange Image File)
CSV Signature (Comma Separated Values File)
DOC Signature (Microsoft Word Document)
DOCM Signature (Word Open XML Macro-Enabled Document)
DOCX Signature (Microsoft Word Open XML Document)
DOT Signature (Word Document Template)
DOTM Signature (Word Open XML Macro-Enabled Document Template)
DOTX Signature (Word Open XML Document Template)
GIF Signature (Graphical Interchange Format File)
JPEG Signature (JPEG Image)
JPG Signature (JPEG Image)
ODP Signature (OpenDocument Presentation)
ODS Signature (OpenDocument Spreadsheet)
ODT Signature (OpenDocument Text Document)
OTP Signature (OpenDocument Presentation Template)
OTS Signature (OpenDocument Spreadsheet Template)
OTT Signature (OpenDocument Document Template)
PDF Signature (Portable Document Format File)
PNG Signature (Portable Network Graphic)
POTM Signature (PowerPoint Open XML Macro-Enabled Presentation Template)
POTX Signature (PowerPoint Open XML Presentation Template)
PPS Signature (PowerPoint Slide Show)
PPSM Signature (PowerPoint Open XML Macro-Enabled Slide)
PPSX Signature (PowerPoint Open XML Slide Show)
PPT Signature (PowerPoint Presentation)
PPTM Signature (PowerPoint Open XML Macro-Enabled Presentation)
RTF Signature (Rich Text Format File)
SVG Signature (Comma Separated Values File)
TIF Signature (Tagged Image File)
TIFF Signature (Tagged Image File Format)
WEBP Signature (WebP Image)
WMF Signature (Windows Metafile)
XLS Signature (Excel Spreadsheet)
XLSB Signature (Excel Binary Spreadsheet)
XLSM Signature (Excel Open XML Macro-Enabled Spreadsheet)
XLSX Signature (Microsoft Excel Open XML Spreadsheet)
XLTM Signature (Microsoft Excel Macro-Enabled Template)
XLTX Signature (Excel Open XML Spreadsheet Template)