Okular vs Adobe Digital Editions: é uma boa alternativa no Linux?

Okular como alternativa Linux ao Adobe Digital Editions

Atualizado em 19 de outubro de 2026

Nossa avaliação

Okular is a solid replacement for Adobe Digital Editions if you primarily read EPUB and PDF files and don’t rely on DRM-protected content. It handles both formats well, supports annotations, and offers a clean interface with useful navigation tools. However, it lacks Adobe ID authentication and cannot open ADE-protected EPUBs. Users who own standard, non-DRM ebooks or use library services that provide DRM-free files will find Okular functional and reliable. Those dependent on Adobe’s ecosystem for borrowed or purchased DRM books should look elsewhere.

Cobertura de recursos65%

Licença: GPL-2.0+ and GFDL-1.3
Preço: Grátis
Versão mais recente: 26.04.3 (2 de julho de 2026)
Avaliação: —

Instalar Okular Site oficial ↗

Reading manual in Okular

O que funciona igual

Both support EPUB and PDF as primary formats
Allow text highlighting and annotations
Provide bookmarking and navigation features
Offer sidebars for quick access to document structure
Enable full-text search within documents

O que muda

Okular does not support Adobe ID or DRM-protected EPUBs
No built-in sync between devices or cloud library management
Lacks user authentication for library borrowing
No direct integration with ebook retailers or lending services
Annotation features are local-only, not synced or exported to ADE

Abrindo seus arquivos do Adobe Digital Editions

Okular can open standard EPUB and PDF files without issue, including those exported from Adobe Digital Editions, as long as they are not DRM-protected. If the file is locked with Adobe DRM (common in library loans), Okular will not open it. There is no workaround within Okular for removing or bypassing DRM. Exporting annotated files works for PDF and plain EPUB, but notes and highlights are stored locally and not embedded in a way ADE recognizes.

Trocando o Adobe Digital Editions pelo Okular, passo a passo

Install Okular via your package manager or Flatpak
Transfer non-DRM EPUB and PDF files from Adobe Digital Editions library
Use Calibre to manage and convert ebook metadata if needed
Manually back up bookmarks and notes from ADE before switching
Open transferred files in Okular and verify annotations work

Principais recursos do Okular

Suporte a PDF, EPUB, DjVu, XPS e formatos de quadrinhos
Barra lateral para conteúdo, miniaturas e marcadores
Anotações de texto e formas com destaque
Busca dentro dos documentos
Controles de zoom e rotação
Integração com o ambiente desktop KDE

Como instalar o Okular no Linux

Flatpak (Flathub)flatpak install flathub org.kde.okular

Ubuntu / Mintsudo apt install okular

Debiansudo apt install okular

Fedorasudo dnf install okular

Arch / Manjarosudo pacman -S okular

openSUSEsudo zypper install okular

Perguntas frequentes

Can Okular open books borrowed from my library through Adobe Digital Editions?

No. These books are protected by Adobe DRM, which Okular does not support. You’ll need to use Adobe Digital Editions or a compatible app on another platform for such files.

Does Okular sync my reading position or notes across devices?

No. Okular stores annotations and bookmarks locally. Syncing requires external tools like cloud storage with manual file syncing.

Can I export my highlights and notes from Okular?

Highlights and notes are viewable in the sidebar and can be manually copied, but Okular does not export them to a separate file format automatically.

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