Repository Index

OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be searched

• python
• ocr
• pdf
• image-processing

The Office Harness for AI Agents — Spreadsheets, Docs, Slides, Canvas, Relational Tables, and PDF in one runtime.

• excel
• spreadsheet
• xlsx
• doc

PdfCraft: An open-source PDF reader and editor written by scratch in pure Rust

• document-processing
• documents
• pdf
• pdf-generation

TranslatedPDF Patcher (PDF补丁丁, "PDF patch") - a PDF toolbox that can edit bookmarks, crop and rotate pages, remove restrictions, extract or merge documents, inspect document structure, extract images, convert to images, and more

• pdf
• pdf-document-processor
• pdf-generation
• pdf-converter

PyMuPDF is a high performance Python library for data extraction, analysis, conversion & manipulation of PDF (and other) documents.

• mupdf
• xps
• pdf-documents
• epub

Self-hosted collection of powerful web-based tools for everyday tasks. No ads, no tracking, just fast, accessible utilities right from your browser!

• react
• tools
• devtools
• converter

markdown processor powered by plugins part of the @unifiedjs collective

• markdown
• ast
• javascript
• unified

A pure PHP library for reading and writing word processing documents

• php
• libreoffice-writer
• msword
• doc

Blackfriday: a markdown processor for Go

qpdf: A content-preserving PDF document transformer

• pdf
• pdf-document-processor

A fast, powerful, CommonMark compliant, extensible Markdown processor for .NET

• commonmark
• markdown-processor
• markdown
• markdown-parser

:trophy: The Golden Swiss Army Knife for markdown processing. 100% CommonMark compliant, AST w/ CST, Extensible, Fast, CJK-friendly.

• markdown
• commonmark
• golang
• go

Pure go library for creating and processing Office Word (.docx), Excel (.xlsx) and Powerpoint (.pptx) documents

• go
• golang
• ooxml
• openoffice

A markdown preprocessor for Svelte.

Cross-platform desktop GUI app to clean image metadata

• exif
• exiftool
• electron
• javascript

CommonMark/Markdown Java parser with source level AST. CommonMark 0.28, emulation of: pegdown, kramdown, markdown.pl, MultiMarkdown. With HTML to MD, MD to PDF, MD to DOCX conversion modules.

• commonmark
• pegdown
• java
• markdown-parser

A machine translation reading list maintained by Tsinghua Natural Language Processing Group

• machine-translation
• reading-list

Standards compliant, fast, secure markdown processing library in C

A lightning fast image processing and resizing library for Go

• libvips
• image-processing
• golang
• svg

Fastest end-to-end CSV ingestion for Ruby (with C acceleration). SmarterCSV auto-detects formats, applies smart defaults, and returns Rails-ready hashes for seamless use with ActiveRecord, Sidekiq, parallel jobs, and S3 pipelines — even for messy user-uploaded real-world data.

• csv
• csv-converter
• csv-export
• csv-file

A curated list of resources for Document Understanding (DU) topic

• awesome-list
• machine-learning
• information-extraction
• key-information-extraction

A pure-Java Markdown processor based on a parboiled PEG parser supporting a number of extensions

The fastest PDF library for Python and Rust. Text extraction, image extraction, markdown conversion, PDF creation & editing. 0.8ms mean, 5× faster than industry leaders, 100% pass rate on 3,830 PDFs. MIT/Apache-2.0.

• document-processing
• pdf
• pdf-editor
• pdf-generation

Standards compliant, fast, secure markdown processing library in C