The best PDF Reader alternative to Okular is SumatraPDF, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Okular and loads of them are PDF Readers so hopefully you can find a suitable replacement. Other interesting PDF Reader alternatives to Okular are Foxit PDF Reader, PdfCraft, KOReader and Koodo Reader.
Altarsoft PDF Reader is a program for viewing and editing PDF files.
Main Features:
Russia
SlimPDF Reader is a high quality PDF viewer that is only 1.5MB in size. Features and benefits:
United States
eBook reader and library manager designed for macOS and iOS supporting EPUB, PDF, MOBI, AZW, AZW3, KEPUB, and CBZ formats, customizable fonts and themes, privacy-focused local or iCloud data, automatic sync, and 100,000+ free public domain books.
Germany
EU
A next-generation iOS viewer app for self-scanned manga and books with AI-powered organization, cloud storage support, and NAS streaming.
Japan
Merge PDF is a user friendly PDF Reader. It is fully compatible with PDF file formats. It is a great value in comparison to other PDF Readers. It is part of Merge Soft Office. Now, Merge Soft Office is built on true 64-bit technology and it is being developed in 32-bit as well...
PDF Reader - Editor, Scan & TTS by Dev_Software is a mobile solution designed to scan, edit, and listen to your documents in one place.
Türkiye
Free EPUB, FB2, MOBI, AZW3, CBZ and TXT reader that runs inside Chrome, with highlights, notes, dictionary/translate and read-aloud. No account, nothing uploaded.
Offline OCR PDF reader that turns scanned pages into adjustable, reflowed text for comfortable reading on iPhone and iPad.
Free, privacy-first collection of 95+ PDF tools that process files entirely in your browser using WebAssembly. No uploads required - your documents never leave your device.
Free 4.6 MB PDF viewer for Windows and macOS that just opens. Tabs, search, page editing, dark mode, annotations, signatures. Zero network calls.
United States
Unlock password-protected PDFs with device biometrics, store credentials locally using AES-256 encryption, sign or fill forms, annotate, merge, split documents, search contents, convert pages to images, compress, auto-label files, no tracking, fully offline access.
India
