Sites and apps similar to PDF Online include SumatraPDF, which is free and open source. Other options are Okular, Foxit PDF Reader, PDF-XChange Editor and Evince. You're spoiled for choice with PDF Readers like PDF Online: we list more than 25 alternatives for Windows, Mac, iPad, iPhone and Android.
A web-based, all-in-one PDF editor that lets users upload, edit, annotate, sign, merge, split, and convert PDF and other file formats (DOC, DOCX, JPG, PNG), all in a secure, browser-based interface.
Atril is a simple multi-page document viewer. It can display and print PostScript (PS), Encapsulated PostScript (EPS), DJVU, DVI, XPS and Portable Document Format (PDF) files. When supported by the document, it also allows searching for text, copying text to the clipboard...
United States
Besides exceptionally fast launching and displaying speed, Gaaiho Reader is reliable in printing, filling forms annotating documents and adding bookmarks.
Taiwan
Panels is a CBR/CBZ/PDF comic reader for your iPhone and iPad devices. Enjoy reading your comics in a clean and delightful interface.
Spain
EU
The simplest PDF viewer. Safe (doesn't require permissions), lightweight (just 6,9MB) and modern.
ItalyEU
Read, edit, annotate, and sign PDF documents with built-in AI features like summarize and translate, OCR in 50+ languages, fill forms, export to major formats offline, apply watermarks, compress files, secure with passwords, and use text-to-speech on all major platforms.
Taiwan
Edit your PDF files quickly and intuitively. Open, edit, save or convert PDF files with PDFTool – it’s up to you.
Cloud-based PDF viewer and annotation tool for your browser. Perfect for Chromebook 1:1 schools. View, export, print and share your PDF files straight from your browser. Kami works on all browsers and works best with Google Chrome.
Bookworm is a document reader that allows you to read more than 15 document formats including PDF, EPUB, and MOBI using a versatile, yet simple, and highly accessible interface.
Comprehensive PDF tool for viewing, editing, annotations, and conversion between formats like Word, Excel, or PPT. Features include encryption, redaction, and fast batch processing.
Hong Kong SAR China
New Zealand
