py-pdf/pypdf

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A pure-python PDF library capable of splitting, merging, cropping, and transforming the pages of PDF files

Stars: 10.2k
Forks: 1.6k
Open beginner issues: 0
Indexed issues: 89
Avg merge: 1d 6h
Merged PRs (30d): 90

Dominant language: Python
License: No license data
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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89 open issues indexed

BUG: layout mode splits words when the font size travels in Tm (space_tx is not transformed into page space) Open

Difficulty 3/5 1-2 days Newbie friendliness 74/100

py-pdf/pypdf#4110 · Opened Sep 18, 2026
BUG: simple fonts with /Encoding /Differences lose all glyph widths in layout mode (regression in 6.13.0) Open

Difficulty 3/5 1-2 days Newbie friendliness 76/100

py-pdf/pypdf#4109 · Opened Sep 18, 2026
Move `_font.py` to `generic` module Open

is-maintenance

Difficulty 3/5 1-2 days Newbie friendliness 72/100

py-pdf/pypdf#4068 · 1 comment · Opened Sep 10, 2026
Synthetic-space detection may insert spaces for small positioning differences Open

whitespace workflow-text-extraction

Difficulty 4/5 3-5 days Newbie friendliness 45/100

py-pdf/pypdf#4067 · 3 comments · Opened Sep 10, 2026
/ToUnicode CMap with 2-byte source codes is wrongly applied to simple fonts (1-byte codes) Open

needs-discussion workflow-text-extraction

Difficulty 3/5 1-2 days Newbie friendliness 74/100

py-pdf/pypdf#4035 · 5 comments · Opened Aug 31, 2026
DEP: Unify naming in constants Open

breaking-change

Difficulty 4/5 3-5 days Newbie friendliness 48/100

py-pdf/pypdf#4006 · Opened Aug 24, 2026
extract_text: space extraction fails due to bad width estimation for composite fonts without the " " (space) glyph Open

workflow-text-extraction

Difficulty 4/5 3-5 days Newbie friendliness 38/100

py-pdf/pypdf#3978 · 8 comments · Opened Aug 18, 2026
Wrong handling of ligatures Open

workflow-text-extraction

Difficulty 4/5 3-5 days Newbie friendliness 48/100

py-pdf/pypdf#3975 · 1 comment · Opened Aug 17, 2026
Add methods to detect and remove embedded JavaScript Open

is-feature

Difficulty 4/5 3-5 days Newbie friendliness 55/100

py-pdf/pypdf#3933 · 1 comment · Opened Jul 29, 2026
Check some code in _image_xobject.py and update comments Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

py-pdf/pypdf#3869 · 2 comments · Opened Jun 17, 2026
Lazy loading for images Open

is-feature workflow-images

Difficulty 4/5 3-5 days Newbie friendliness 64/100

py-pdf/pypdf#3822 · Opened Jun 1, 2026
Refactoring of text extraction Open

needs-discussion workflow-text-extraction

Difficulty 5/5 Over a week Newbie friendliness 25/100

py-pdf/pypdf#3792 · Opened May 21, 2026
Fix caching in CI to properly handle incremental updates Open

nf-testing

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

py-pdf/pypdf#3728 · 3 comments · Opened Apr 11, 2026
Fix `testtype` Makefile target Open

is-maintenance needs-discussion

Difficulty 5/5 Over a week Newbie friendliness 35/100

py-pdf/pypdf#3689 · 4 comments · Opened Mar 20, 2026
Used named constants everywhere Open

is-maintenance Meta nf-documentation

Difficulty 5/5 Over a week Newbie friendliness 25/100

py-pdf/pypdf#3653 · Opened Feb 19, 2026
Make most parameters of PdfReader and PdfWriter initialization keyword-only Open

breaking-change PdfReader PdfWriter

Difficulty 4/5 3-5 days Newbie friendliness 48/100

py-pdf/pypdf#3618 · Opened Jan 28, 2026
Migrate StreamObject get_data/set_data to property with getter and setter Open

breaking-change

Difficulty 4/5 3-5 days Newbie friendliness 35/100

py-pdf/pypdf#3616 · Opened Jan 27, 2026
Feature idea: make `get_fonts` also return the font objects Open

is-feature needs-discussion

Difficulty 3/5 1-2 days Newbie friendliness 35/100

py-pdf/pypdf#3607 · 4 comments · Opened Jan 21, 2026
Extend typing to tests Open

is-maintenance

Difficulty 4/5 3-5 days Newbie friendliness 35/100

py-pdf/pypdf#3591 · 3 comments · Opened Jan 5, 2026
Radio buttons do not retain values when filling template (when viewed in Adobe Acrobat) Open

is-bug needs-discussion workflow-forms

Difficulty 4/5 3-5 days Newbie friendliness 39/100

py-pdf/pypdf#3549 · 7 comments · 1 reaction · Opened Dec 5, 2025
Customizable zoom level on PdfWriter.add_named_destination() Open

is-feature needs-discussion workflow-bookmarks

Difficulty 3/5 1-2 days Newbie friendliness 52/100

py-pdf/pypdf#3522 · 3 comments · Opened Nov 15, 2025
Drop support for Python 3.9/new major version 7.0 Open

breaking-change

Difficulty 5/5 Over a week Newbie friendliness 30/100

py-pdf/pypdf#3496 · 3 comments · Opened Oct 16, 2025
Inline image EI markers only divided by a few renderable characters fail to detect the correct one Open

generic is-robustness-issue workflow-text-extraction

Difficulty 3/5 1-2 days Newbie friendliness 45/100

py-pdf/pypdf#3468 · 4 comments · Opened Sep 20, 2025
merge_page with passed page having markup annotation fails Open

generic is-bug workflow-merge

Difficulty 5/5 Over a week Newbie friendliness 35/100

py-pdf/pypdf#3467 · 1 comment · Opened Sep 17, 2025
Adding pypdf on pypi.org to the py-pdf organization Open

Meta

Difficulty 1/5 Under an hour Newbie friendliness 30/100

py-pdf/pypdf#3459 · 1 comment · Opened Sep 10, 2025
merge_transformed_page: Allow transforming annotation rectangles Open

is-feature workflow-merge

Difficulty 4/5 3-5 days Newbie friendliness 35/100

py-pdf/pypdf#3445 · 2 comments · Opened Aug 23, 2025
PdfWriter remove_page/compress_identical_objects does not clean up properly Open

PdfWriter

Difficulty 4/5 3-5 days Newbie friendliness 42/100

py-pdf/pypdf#3418 · 5 comments · Opened Aug 3, 2025
Follow XMP metadata recommendations from PDF specification Open

is-feature PdfWriter workflow-metadata

Difficulty 5/5 Over a week Newbie friendliness 30/100

py-pdf/pypdf#3396 · Opened Jul 22, 2025
Support PDF function objects Open

is-feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

py-pdf/pypdf#3393 · Opened Jul 22, 2025
Evaluate implementing BooleanObject.__bool__ Open

needs-discussion

Difficulty 4/5 3-5 days Newbie friendliness 35/100

py-pdf/pypdf#3385 · 2 comments · Opened Jul 16, 2025
Evaluate influence of marked content/tagged PDF for text extraction (PDF/UA) Open

is-feature needs-discussion

Difficulty 5/5 Over a week Newbie friendliness 25/100

py-pdf/pypdf#3376 · Opened Jul 13, 2025
Review image extraction issues Open

is-robustness-issue workflow-images

Difficulty 4/5 3-5 days Newbie friendliness 28/100

py-pdf/pypdf#3369 · 3 comments · Opened Jul 9, 2025
Image handling: Mode from RGB path will always be overwritten Open

is-bug is-regression workflow-images

Difficulty 3/5 1-2 days Newbie friendliness 48/100

py-pdf/pypdf#3367 · 4 comments · Opened Jul 9, 2025
Cleanup ruff ignores Open

is-maintenance

Difficulty 4/5 3-5 days Newbie friendliness 45/100

py-pdf/pypdf#3327 · 5 comments · Opened Jun 22, 2025
Reading incremental PDFs returns wrong (first) object per object number Open

is-feature

Difficulty 4/5 3-5 days Newbie friendliness 48/100

py-pdf/pypdf#3304 · 2 comments · Opened Jun 5, 2025
Image extraction: "Color /Cyan converted to Gray" Open

is-bug workflow-images

Difficulty 3/5 1-2 days Newbie friendliness 52/100

py-pdf/pypdf#3302 · 1 comment · Opened Jun 2, 2025
PdfObject.indirect_reference is not available Open

generic is-bug needs-discussion

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

py-pdf/pypdf#3294 · 7 comments · Opened May 22, 2025
Internal links fail to work after page is merged in Open

is-feature workflow-annotation workflow-merge

Difficulty 4/5 3-5 days Newbie friendliness 32/100

py-pdf/pypdf#3290 · 17 comments · Opened May 20, 2025
`get_fields()` only reports value of last radio button Open

needs-discussion workflow-forms

Difficulty 3/5 1-2 days Newbie friendliness 45/100

py-pdf/pypdf#3273 · 5 comments · Opened Apr 30, 2025
Document default and XMP metadata handling more properly Open

nf-documentation

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

py-pdf/pypdf#3243 · 4 comments · Opened Apr 8, 2025
`page` property of Destination is mistyped Open

typing

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

py-pdf/pypdf#3233 · 2 comments · Opened Apr 2, 2025
Further comply with PEP8 naming Open

is-maintenance

Difficulty 5/5 Over a week Newbie friendliness 35/100

py-pdf/pypdf#3231 · 8 comments · Opened Apr 1, 2025
BrotliDecode filter Open

is-feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

py-pdf/pypdf#3223 · 1 comment · Opened Mar 26, 2025
Erroneous Whitespace in Text Extraction Open

whitespace workflow-text-extraction

Difficulty 4/5 3-5 days Newbie friendliness 38/100

py-pdf/pypdf#3219 · 4 comments · Opened Mar 24, 2025
Support deep copies for PageObject (Duplicated Pages Overwrite Original Page’s Data) Open

is-feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

py-pdf/pypdf#3171 · 5 comments · Opened Mar 7, 2025
Propose removal of unused arguments in decode methods Open

is-maintenance needs-discussion

Difficulty 3/5 1-2 days Newbie friendliness 38/100

py-pdf/pypdf#3165 · 5 comments · Opened Mar 3, 2025
Form rendering differences for textboxes and checkboxes when generated with pypdf and Acrobat Open

workflow-forms

Difficulty 4/5 3-5 days Newbie friendliness 45/100

py-pdf/pypdf#3115 · 14 comments · 1 reaction · Opened Feb 10, 2025
Scaling a page does not scale the embedded images Open

is-feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

py-pdf/pypdf#3109 · 1 comment · Opened Feb 7, 2025
PdfWriter as context manager while passing existing file not working in 5.2.0 Open

is-regression workflow-merge

Difficulty 3/5 1-2 days Newbie friendliness 45/100

py-pdf/pypdf#3087 · 3 comments · Opened Jan 27, 2025
Uninterpretable Type3 Fonts and Excessive Layout Mode Text Output Open

workflow-text-extraction

Difficulty 4/5 3-5 days Newbie friendliness 35/100

py-pdf/pypdf#3081 · Opened Jan 26, 2025

py-pdf/pypdf

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