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pdf_cos

Published by 🇦🇺benmilanko.com · v3.7.0 · released 25 days ago · APACHE-2.0 License

First published 3 months ago.

COS object layer for PDF: tokenizer, parser, filters (incl. CCITT, JBIG2, JPEG 2000), xref machinery, encryption, and serializer. Pure Dart, web-ready.

View on pub.dev View source
Part of ben-milanko/dart-pdf (8 packages) #21 in Pdf Documents #2752 overall androidioswindowslinuxmacosweb
Downloads / day
325
as of 2026-09-13
GitHub stars
67
★ refreshed weekly
Likes
1
on pub.dev
Pub points
160 / 160
perfect score
2026-08-14 2026-09-13

Repository health

Shared with 7 sibling packages in this repo.

Last commit
22 days ago
Commit activity
Open issues
14
Open PRs
6
Contributors
5 (top contributor 82%)
CI
GitHub Actions
License (repo)
Sibling packages: pdf_document, pdf_graphics, dart_pdf_editor, dart_pdf_editor_assets, pdf_test_fixtures, pdf_ocr_ondevice, pdf_ocr_vlm

Last refreshed 21 days ago.

License explained · Apache-2.0

Apache License 2.0

Use freely, even commercially. Keep the notices, document your changes. Includes an explicit patent grant.

A permissive license whose main conditions require preservation of copyright and license notices. Contributors provide an express grant of patent rights. Licensed works, modifications, and larger works may be distributed under different terms and without source code.

You can

  • Commercial use
  • Distribution
  • Modification
  • Patent use
  • Private use

You must

  • Include the license and copyright notice
  • State significant changes

The license does not

  • No liability
  • No trademark grant
  • No warranty

Plain-English summary, not legal advice. Full text on SPDX or choosealicense.com. Summaries adapted from choosealicense.com (a GitHub project, MIT-licensed).

Commit activity, past 52 weeks

pdf_cos

1,012 commits in the past year
Stable
310 155 0 52w ago36w ago18w agothis week
Weekly average
19 commits
Busiest week
306 commits, 9 weeks ago
Active weeks
11 of 52 (21%)
Longest quiet stretch
41 weeks with no commits

Weekly commits to the default branch on GitHub. Source: GET /stats/participation. Refreshed weekly. Excludes commits to other branches.

How pdf_cos compares in Pdf Documents

Top of the Pdf Documents leaderboard, with pdf_cos highlighted.

Rank Package Downloads / day Stars Likes
#1
pdf
🇨🇦 nfet.net
48.9K ★ 1.5K 3K
#2
printing
🇨🇦 nfet.net
29.1K ★ 1.5K 1.8K
#3
flutter_pdfview
 15.7K ★ 307 748
#4
pdfrx
🇯🇵 espresso3389.jp
15K ★ 272 342
#21
pdf_cos
benmilanko.com
325 ★ 67 1