Finds your documents
Browse your storage, filter by PDF, Word or Excel, and pick up where you left off from Home. Favorites stay one tap away.
- Same experience
everywhere - Your files stay
on your device - Optimized for
all screen sizes - Fast, smooth
and lightweight - Open source and
community driven
Supported formatsOpen and read your
Open and read your
important files in one place.
PDF.pdf
Word.docx
Excel.xlsx
PowerPoint.pptx
CSV.csv
Markdown.md
Every format gets its own reader.
Pick a file type and see how OpenReader opens it.
Quarterly Report.pdf
Continuous scroll, page thumbnails, zoom and jump to page.
Desktop captures from the Windows build.
A reader for the files you already have.
Search what you have read
One search box across the file names and text of everything you have opened, in every format.
Night mode, per document
Reading late? Switch the page to dark without touching the file.
Fully offline
OpenReader makes no network calls, so it works on a plane.
No account
Install it and open a file. There is nothing to sign up for.
Open source
Read the code, report a bug or send a fix on GitHub.
Right-click, Open with OpenReader.
OpenReader registers itself with your file manager, so any supported document opens in one click — and each type keeps its own recognisable icon.
- Windows — per-user registration script, no admin rights needed.
- macOS — appears in Finder's Open With and the Dock drop target.
- Linux — a desktop entry adds it to your launcher and Open With menu.
- Never takes over — nothing changes unless you say so.
Get OpenReader.
Free on every platform. Desktop builds are attached to each GitHub release.
Android
Phones, tablets & foldables- Finds the documents already on your device
- Open from other apps and share out
- APK files are also attached to each release
Windows
Windows 10 or later, 64-bit- Download
and run it, no admin rights needed - Adds OpenReader to Open with for PDF, Office, text and CSV files
Prefer the command line?
irm https://raw.githubusercontent.com/macdipu/OpenReader/main/install.ps1 | iexWhy this warning?
OpenReader is not code-signed yet, so Windows SmartScreen may ask you to confirm. Choose More info, then Run anyway. Compare the file with the SHA-256 checksum listed above before you run it.
macOS
macOS 12 or later- Open the
.dmgand dragOpenReaderonto Applications - First launch: right-click, then Open (unsigned build)
- Opens files from Finder while already running
Prefer the command line?
curl -fsSL https://raw.githubusercontent.com/macdipu/OpenReader/main/install.sh | shLinux
x64, GTK 3.debfor Ubuntu, Debian and Mint;.rpmfor Fedora, RHEL and openSUSE- Or an
AppImage: make it executable and run it - Needs
libgtk-3andlibsecret(the packages pull them in)
Prefer the command line?
curl -fsSL https://raw.githubusercontent.com/macdipu/OpenReader/main/install.sh | shComing sooniOSiPhone and iPad version is on the way.
iOS is coming soon. Step-by-step install and update instructions are in the README.
All versions
Every published release, newest first.
Your documents never leave your device.
No servers, no accounts, no analytics. Files are read and indexed locally.
Questions
Is OpenReader really free?
Yes. There are no ads, subscriptions or in-app purchases, and you never need to register.
Does it work offline?
Always. OpenReader makes no network calls, so everything works without a connection.
Which formats can it open?
PDF, Word (.docx), Excel (.xlsx), PowerPoint (.pptx), CSV, Markdown and plain text. Legacy binary .doc, .xls and .ppt files are not supported.
Which devices are supported?
Android phones, tablets and foldables, plus Windows, macOS and Linux computers. iOS is coming soon.
Are my documents uploaded anywhere?
No. Files are read and indexed on your device and never leave it.
Why does Windows or macOS warn me?
Desktop builds are not code-signed yet. On Windows choose “More info”, then “Run anyway”. On macOS right-click the app and choose Open the first time.
Where can I report a bug or help?
On GitHub. Issues and pull requests are welcome.