1
Also covers document tools, open source, and python · same kind of open-source project
Convert PDF files into Markdown and JSON with Marker, a Python project described by its maintainers as fast and accurate.
Alternatives
The Best Dangerzone Alternatives in 2026
14 alternatives1 free · 9 open source
Looking for something like Dangerzone? Here are 14 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 9 are open source.
About Dangerzonegithub.com/freedomofpress/dangerzone
VisitDangerzone converts potentially dangerous PDFs, office documents, and images into PDFs described by the project as safe.
Top picks at a glance
First suggestionMarkerConvert PDF files into Markdown and JSON with Marker, a…Free or freemium optionPdfcraftPDFCraft describes a browser-based toolkit for editing…Another optionAlt EnginesThis repository contains plugins for Umi-OCR, including…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Marker | — | Yes | — |
| 2 | Alt Engines | — | Yes | Linux, Windows |
| 3 | Dangerzone | — | Not stated | Linux, macOS, Web |
| 4 | PDF Arranger | — | Yes | Linux, Windows |
| 5 | PDF Bookmark Editor | — | Not stated | — |
| 6 | Tideflow | — | Yes | — |
| 7 | Signaturepdf | — | Yes | — |
| 8 | Pdfcraft | Free | Yes | — |
| 9 | Pdf4qt | — | Yes | Linux, Windows |
| 10 | Percollate | — | Yes | — |
All Dangerzone alternatives
2
Also covers document tools, open source, and python · same kind of open-source project
This repository contains plugins for Umi-OCR, including components that add OCR engines.
3
Dangerzone
dangerzone.rocksAlso covers document tools
Dangerzone converts potentially dangerous documents and images into safe PDFs by rendering them in a secure sandbox.
4
Also covers document tools, open source, and python · same kind of open-source project
Merge or split PDF documents and rotate, crop, or rearrange pages using PDF Arranger, a Python GTK application.
5
PDF Bookmark Editor
github.com/mrfragger/pdf-bookmark-editorAlso covers document tools and python · same kind of open-source project
Add or edit PDF bookmarks and merge files with PDF Bookmark Editor, which also supports importing and exporting bookmark data.
6
Also covers document tools and open source · same kind of open-source project
Turn Markdown into PDF with Tideflow, a desktop app described by its project as offline, portable, and powered by Typst.
7
Also covers document tools and open source · same kind of open-source project
Signaturepdf is open-source web software for signing PDFs, organizing pages, editing metadata, and compressing files.
8
Also covers document tools and open source · same kind of open-source project · free
PDFCraft describes a browser-based toolkit for editing, converting, merging, splitting, and securing PDF files.
9
Also covers document tools and open source · same kind of open-source project
An open-source toolkit for Windows and Linux, PDF4QT combines desktop apps, command-line tools, and a C++/Qt engine for PDF work.
10
Also covers document tools and open source · same kind of open-source project
Turn web pages into PDF, EPUB, HTML, or Markdown documents with Percollate, a command-line tool.
11
Also covers document tools and open source · same kind of open-source project
OCRmyPDF adds an OCR text layer to scanned PDF files, making their text searchable, according to its project description.
12
File PDF
filepdf.netAlso covers document tools
File PDF provides tools to convert, merge, compress, split, edit, sign, and protect PDF files, with client-side processing described on the page.
13
OnlineOCR
onlineocr.netAlso covers document tools
OnlineOCR converts images and PDFs into text or Word files using optical character recognition.
14
PrintFriendly
printfriendly.comAlso covers document tools
PrintFriendly removes ads and clutter from web pages for printing or PDF saving, and offers tools to edit, sign, compress, and convert PDFs.
No alternatives match this filter.
Alternatives to similar tools
Alt Engines10 alternativesPDF Arranger15 alternativesPDF Bookmark Editor5 alternativesPercollate12 alternativesSignaturepdf14 alternativesPdfcraft18 alternatives
TopicPDF & Document Tools · 61 sites Best-of listBest Free PDF Editors for Text, Forms and Page Changes ListingDangerzone details
What is the best alternative to Dangerzone?
Based on features, tags and platforms, the closest alternatives to Dangerzone are Marker, Alt Engines, and Dangerzone.
Is there a free alternative to Dangerzone?
Yes. Pdfcraft is free or offer a free plan.
Are there open-source alternatives to Dangerzone?
Yes: Marker, Alt Engines, PDF Arranger, and Tideflow.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative