Creator's own open-source PDF reader/editor with e-signing, annotation and AI Q&A. It is lightweight and free, built to replace Adobe Acrobat.

Folio
Lightweight PDF reader and editor with annotation, e-signing and AI Q&A, positioned as an Adobe Acrobat alternative.
Updated EU status checked Last shown
Folio at a glance
- What is Folio?
- Folio is an app. Lightweight PDF reader and editor with annotation, e-signing and AI Q&A, positioned as an Adobe Acrobat alternative.
- Does Folio work in the EU?
- Unverified. No explicit evidence found. Last verified 14 Nov 2026.
- How much does Folio cost?
- Free. Described by the creator as free; no official pricing page found.
- Where was Folio shown?
- In 1 creator video by Matthew Berman. Most recently by Matthew Berman on 3 Nov 2026, at 8:46 in “They did it...”.
Sources: the vendor's own pages (linked above) and creator videos at the linked timestamps. EU status is information, not legal advice; see how we check.
Folio is a PDF reader and editor described by YouTuber Matthew Berman as his own open-source project, built as a lightweight, free replacement for Adobe Acrobat. The GitHub organization linked to it is Forward-Future.
According to the creator, it supports annotating documents, e-signing, and asking questions about a document's contents with AI. No official site, documentation or pricing page could be retrieved, so details such as platforms, licence, AI model backends and release date are unconfirmed.
- PDF reading and editing
- Annotation tools
- E-signing
- AI question answering over documents
- Lightweight and free, per creator
As seen on YouTube
Watch the moment: the exact second top creators show it. Videos load only when you press play, via youtube-nocookie.com.
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