Fionn PDF ReaderFionn PDF Reader
View, edit, and convert PDFs in one app.
Fast Reading
Editing
Comments
Conversion
Compression
PDF Protection
Free DownloadWindows 11/10



Read, edit, convert, sign, and protect PDFs—all in one convenient app.















Emily CarterIts split-screen comparison saved our 200-page tender document project!
Liam WilsonThe thesis annotation system outshines Endnote, doubling our citation management efficiency!
Sophia ThompsonFlawless preservation of medical notations in reports was the clincher for us
Ethan BrooksBatch-converted 300 scanned docs with pixel-perfect layouts – Unbelievable!
Olivia DawsonCourt evidence annotations 100% comply with judicial e-evidence standards.
Noah BennettSmart Annotation makes grading assignments insanely efficient!

Edit, convert, merge, compress, sign, protect and more — all in one application.

Supports PDF, Word, Excel, PowerPoint, images, TXT, CAD, CAJ, OFD and other popular formats.

Batch-convert, compress and add watermarks to large numbers of documents.

Open large PDF documents quickly with smooth scrolling and instant navigation.

Keep original formatting, fonts, images and page layouts intact during editing and conversion.

Convert PDFs to Word, Excel and images, or create PDFs from popular formats in just a few clicks.
Yes. Fionn PDF Reader offers a free version for viewing PDFs and accessing basic features. A paid version is available for advanced features such as professional editing, conversion, batch processing, and other tools.
Fionn PDF Reader supports PDF processing and conversion of Microsoft Word, Excel, PowerPoint documents, images, TXT, and other popular formats to and from PDF. CAD, CAJ, and OFD formats are also supported.
Yes. You can open a PDF directly and edit text, images, pages, add comments, signatures, and watermarks without first converting the file.
Yes. Fionn PDF Reader supports batch document processing. You can simultaneously convert, compress, or add watermarks to multiple PDF files, significantly saving time when working with large volumes of documents.
Yes. Fionn PDF Reader is fully compatible with Windows 10 and Windows 11 and is optimized for stable and fast operation on modern computers.
Yes. All documents are processed locally on your computer. The program does not upload files to the cloud during normal operation, helping to ensure the privacy of your data.
Yes. Fionn PDF Reader allows you to convert PDF to Word, Excel, PowerPoint, images, and TXT, as well as create PDF from Office documents and other supported formats.
Fionn PDF Reader combines reading, editing, conversion, annotation, digital signatures, compression, batch processing, and other tools in a single application. This allows you to perform most PDF tasks without installing multiple separate programs.

Fast, Simple & Affordable PDF Editor Convert, edit, e-sign PDFs and more – all in one click.
