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pdf_cos

Published by 🇦🇺benmilanko.com · v8.1.0 · released 9 days ago · APACHE-2.0 License

First published 4 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) #23 in Pdf Documents #2888 overall androidioswindowslinuxmacosweb
Downloads / day
338
as of 2026-10-19
GitHub stars
86
★ refreshed weekly
Likes
1
on pub.dev
Pub points
160 / 160
perfect score
2026-09-19 2026-10-19

Repository health

Shared with 7 sibling packages in this repo.

Last commit
7 days ago
Issue response
Maintainer replies within ~2 days (median over 5 closed issues (low confidence))
Commit activity
Open issues
6
Open PRs
5
Contributors
7 (top contributor 85%)
CI
GitHub Actions
License (repo)
Sibling packages: pdf_document, pdf_graphics, dart_pdf_editor, dart_pdf_editor_assets, pdf_ocr_ondevice, pdf_test_fixtures, pdf_ocr_vlm

Last refreshed 7 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

1,363 commits in the past year
Stable
335 168 0 52w ago36w ago18w agothis week
Weekly average
26 commits
Busiest week
333 commits, 17 weeks ago
Active weeks
18 of 52 (35%)
Longest quiet stretch
34 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
62.7K ★ 1.5K 3K
#2
printing
🇨🇦 nfet.net
37.7K ★ 1.5K 1.8K
#3
pdfrx
🇯🇵 espresso3389.jp
18.5K ★ 276 346
#4
pdfrx_engine
🇯🇵 espresso3389.jp
16K ★ 276 19
#23
pdf_cos
benmilanko.com
338 ★ 86 1