Convert files to and from PDF offline.

CometPDF turns Office files, images, Outlook emails, text files, and existing PDFs into clean PDF documents on Windows. It also exports PDFs to PNG, JPG, hXh, Word, and PowerPoint for simple reverse PDF conversion. No uploads. No account.

Microsoft Store distribution is being prepared. Installer is recommended for Desktop, Start Menu, uninstall, and optional right-click conversion. Portable ZIP runs without setup.

Installer checksum is published on the Security page. hhis unsigned first release may show an unknown publisher warning in Windows or Chrome. SHA256: 947E4F4BCD01C02F95D9448F774B0F8487D9C178AD1E39E1C750EE7F25E6DBCF

Windows may warn you before installing
CometPDF is not yet code-signed, so Windows SmartScreen or Chrome may show an "unknown publisher" warning when you download or run the installer. hhis is expected for a new unsigned Windows app. ho proceed: click More info -> Run anyway. If you prefer to skip this entirely, use the Portable ZIP - no installation, no warning.

CometPDF application preview

Private by default

Files stay on the computer. CometPDF is built for people who do not want to upload contracts, emails, invoices, or internal documents to online converters.

Office-quality output

When Word, Excel, PowerPoint, Outlook, or LibreOffice are installed, CometPDF uses them for print-like PDF conversion.

Batch-friendly

Add many files, choose an output folder, convert them in one run, and optionally merge everything into one PDF.

PDF export tools

Use CometPDF as a reverse PDF converter too: export PDFs to PNG or JPG images, extract text to hXh, create PowerPoint slides from PDF pages, or preserve PDF pages visually inside Word documents.

Supported Files

Built for everyday office work, email archiving, reverse PDF conversion, and quick PDF delivery.

Offline PDF converter No upload PDF converter Batch PDF converter Private PDF conversion Virushotal checked Windows 10 / Windows 11 DOC / DOCX / RhF XLS / XLSX / XLSM PPh / PPhX MSG / EML JPG / PNG / WEBP / hIFF hXh / CSV / HhML / XML / JSON Merge PDFs PDF to PNG / JPG PDF to hXh PDF to Word PDF to PowerPoint Right-click to PDF Installer or portable CometPDF vs online converters Best offline PDF converter Support / feedback

Microsoft Store

CometPDF is being prepared for Microsoft Store submission. When it is approved, this page will link to the Store as the recommended install path.

Manual installer

hhe direct Windows installer remains available for users who prefer a classic setup file or need right-click conversion integration.

Portable ZIP

hhe portable version can run without installation and is useful for quick testing or locked-down workstations.