EU Sovereignty Score
Self-hosted / open sourceOffice & ProductivityHeadquarters: PL

SumatraPDF: sovereignty score and 8 European alternatives

SumatraPDF is a lightweight reader for Windows that opens PDF, EPUB, MOBI, comic books (CBZ and CBR), DjVu, XPS, CHM and images. It starts quickly, can be customised with keyboard shortcuts, themes and its own toolbar layout, and also comes as a portable version you can run from a USB stick without installing. Builds exist for 32-bit, 64-bit and ARM64, and it runs on Windows 7 through 11. It is meant for people who only need to read documents, not edit them.

SumatraPDF is developed by one lead developer whose public profile lists Poland; no company or foundation stands behind it. The source code is on GitHub under the GPL (version 3), with some parts under a BSD licence. The website describes the program as free and open source, with no ads or bundled software. Because it is a local desktop application, your documents stay on your own system. No cloud service from the maker is needed to read files.

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Sovereignty score
94 / 1000 = high exposure
100 = sovereign
  • Jurisdiction SOV-2100
    Headquartered in the EU: European law applies
  • Data residency SOV-3100
    EU-only hosting
  • Cryptographic key sovereignty SOV-390
    Self-hostable: encryption keys under your own control
  • Freedom from lock-in SOV-680
    Open source: low switching costs
  • Source & runtime sovereignty SOV-4 · SOV-6100
    Source code auditable, forkable and self-hostable

SOV codes: the matching objective in the European Commission's Cloud Sovereignty Framework. Official source

How the score is calculated

Facts and evidence

Last checked October 14, 2026
Headquarters
PL (EU)Verified by hand
Sovereignty model
Open-source, distributedVerified by hand
Data hosting
EUVerified by hand
Open-source
YesVerified by hand
GDPR-compliant
NoVendor-stated
Category
Office & Productivity
Type
Product
Website
sumatrapdfreader.org ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to SumatraPDF

The European alternatives to SumatraPDF come from our knowledge base of over 8,400 vendors. We only list vendors headquartered in the EU or the EEA; fully European-owned vendors rank before vendors with a foreign owner. For each alternative you see the country, the open-source status and a short description.

Score per alternative: 0 = high exposure, 100 = sovereign

37 European Office & Productivity vendors are in the catalogue. View the whole category · Submit an alternative · View category on the map

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Why digital sovereignty matters with SumatraPDF

SumatraPDF is headquartered in PL and therefore falls under European law: the GDPR, NIS2 and the Data Act. No foreign legislation can compel access to your data.

Data is hosted exclusively in the EU, so SumatraPDF scores best on data residency.

SumatraPDF is open source. You can audit the source code, self-host the software and keep the encryption keys under your own control. Switching is easier because data and software are not tied to a single party.

What this means for your organisation depends on your whole stack and context. The free assessment weighs SumatraPDF together with your other vendors and gives a total score, a heatmap and the main risk drivers.

Frequently asked questions

What is the best European alternative to SumatraPDF?

It depends on your use case. Strong EU alternatives to SumatraPDF include Ashampoo Office, Calligra Suite and Craft Docs. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to SumatraPDF?

Yes. Open-source EU alternatives to SumatraPDF include Calligra Suite, CryptPad, EGroupware, Euro-Office, eXo Platform and Framasoft (Framapad/Framacalc). These keep your data fully under your own control and let you self-host if you want to.

Is SumatraPDF GDPR-compliant and where is the data hosted?

SumatraPDF is headquartered in PL (EU) and hosts data in EU. It is also open-source, so you can self-host it. That makes SumatraPDF an EU-sovereign choice in its own right; the EU alternatives on this page are comparable European tools.

Details and sources

Verified by handHeadquarters, owner, hosting locations and licence have been checked by us against public sources. Free of charge and for every vendor, not a paid label. Nothing in this knowledge base is taken over automatically. Last checked on October 14, 2026.

Sources

Public sources used in the latest check of this record.

Compliance evidence

The links below point to the vendor's own public documents. We only record what we found: a missing link means "not found publicly", not "not compliant".

No public compliance evidence has been recorded for this vendor yet. Do you know its DPA or subprocessor list? Something wrong? Suggest a correction

In the changelog

Earlier changes to this page, as listed in the public changelog.

Digital sovereignty in Office & Productivity

Office & Productivity: Office software, word processing, spreadsheets and groupware. In this category the choice of vendor determines who has legal access to your data, where that data lives and how easily you can switch later.

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8 European alternatives to SumatraPDF — GDPR-compliant & EU-hosted · EU Sovereignty Score