# Changelog of PDF to Markdown Converter – PDF Parser for LLM & RAG (`cleandata-labs/pdf-to-markdown`) Actor

- **URL**: https://apify.com/cleandata-labs/pdf-to-markdown/changelog.md
- **Full Actor documentation**: https://apify.com/cleandata-labs/pdf-to-markdown.md

## Changelog

All notable changes to PDF to Markdown Converter. Dates are UTC.

### 0.1 (draft, not released)

#### Initial version

- Convert PDF links, uploaded files and key-value store records into structured Markdown: headings, lists, bordered tables, page markers.
- Metadata: title, author, subject, keywords, creator, producer, created/modified dates, page count, file size, SHA-256.
- Page selection, per-page output, RAG chunks with page numbers, max characters.
- Multi-column reading order, repeated header/footer removal, de-hyphenation, ligature repair.
- Clear, free error rows: no text layer (scanned), password-protected, not a PDF, not found, blocked / robots.txt, too large, invalid PDF, duplicates.
- Memory-aware conversion: at most one PDF converted per GB of memory, and a bound on downloaded files waiting in memory (fixes an out-of-memory crash at 1 GB on batches of large papers).
