stumpylog ae3d8680fa Chore: Generate PDF thumbnails with pdftoppm and Pillow instead of ImageMagick
PDF thumbnails were produced by handing the original PDF to ImageMagick's
convert, which delegates PDF handling to Ghostscript. When that failed, a
fallback invoked gs directly and then ran convert a second time just to
encode the WebP, so a single thumbnail could take three subprocess calls
through two general purpose tools for what is only "render page one small".

The first page is now rasterized with Poppler's pdftoppm, which is already
installed for pdftotext, at a DPI computed from the page's own CropBox and
effective rotation as read by pikepdf. The DPI is chosen so the page fits
500x5000 pixels in a single render and is capped at 72 so small pages are
never enlarged, matching the previous shrink-only scale. Pillow then
flattens any alpha onto white, applies a no-enlarge safety clamp and saves
the WebP in process. If the geometry cannot be read, a fixed 150 DPI is
used and the clamp keeps the output in bounds.

The Ghostscript fallback is replaced with a qpdf repair and retry: the PDF
is copied, repaired in place with qpdf (treating its "repaired with
warnings" exit status as success), and rasterized again. If that also
fails, the default thumbnail is used as before.
2026-10-07 12:43:18 -07:00
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2015-12-20 12:54:28 +00:00
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ci Crowdin Documentation Status codecov Chat on Matrix demo

Paperless-ngx

Paperless-ngx is a document management system that transforms your physical documents into a searchable online archive so you can keep, well, less paper.

Paperless-ngx is the official successor to the original Paperless & Paperless-ng projects and is designed to distribute the responsibility of advancing and supporting the project among a team of people. Consider joining us!

Thanks to the generous folks at DigitalOcean, a demo is available at demo.paperless-ngx.com using login demo / demo. Note: demo content is reset frequently and confidential information should not be uploaded.

This project is supported by:

Features

A full list of features and screenshots are available in the documentation.

Getting started

The easiest way to deploy paperless is docker compose. The files in the /docker/compose directory are configured to pull the image from the GitHub container registry.

If you'd like to jump right in, you can configure a docker compose environment with our install script:

bash -c "$(curl -L https://raw.githubusercontent.com/paperless-ngx/paperless-ngx/main/install-paperless-ngx.sh)"

More details and step-by-step guides for alternative installation methods can be found in the documentation.

Migrating from Paperless-ng is easy, just drop in the new docker image! See the documentation on migrating for more details.

Documentation

The documentation for Paperless-ngx is available at https://docs.paperless-ngx.com.

Contributing

If you feel like contributing to the project, please do! Bug fixes, enhancements, visual fixes etc. are always welcome. If you want to implement something big: Please start a discussion about that! The documentation has some basic information on how to get started.

Community Support

People interested in continuing the work on paperless-ngx are encouraged to reach out here on github and in the Matrix Room. If you would like to contribute to the project on an ongoing basis there are multiple teams (frontend, ci/cd, etc) that could use your help so please reach out!

Translation

Paperless-ngx is available in many languages that are coordinated on Crowdin. If you want to help out by translating paperless-ngx into your language, please head over to https://crowdin.com/project/paperless-ngx, and thank you! More details can be found in CONTRIBUTING.md.

Feature Requests

Feature requests can be submitted via GitHub Discussions, you can search for existing ideas, add your own and vote for the ones you care about.

Bugs

For bugs please open an issue or start a discussion if you have questions.

Related Projects

Please see the wiki for a user-maintained list of related projects and software that is compatible with Paperless-ngx.

Important Note

Document scanners are typically used to scan sensitive documents like your social insurance number, tax records, invoices, etc. Paperless-ngx should never be run on an untrusted host because information is stored in clear text without encryption. No guarantees are made regarding security (but we do try!) and you use the app at your own risk. The safest way to run Paperless-ngx is on a local server in your own home with backups in place.

S
Description
A supercharged version of paperless: scan, index and archive all your physical documents
Readme GPL-3.0
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