Lightweight PDF Plain Text Extractor for Clean, Readable Output
What it is
A small, fast utility that extracts readable plain text from PDF files while minimizing clutter (headers, footers, page numbers, and layout artifacts). Designed for quick single-file use or batch processing on modest hardware.
Key features
- Fast extraction: Low memory footprint and quick parsing for typical PDFs.
- Clean output: Removes common noise like repeated headers/footers and page numbers.
- Structure-aware: Preserves reading order, simple paragraphs, and basic lists where possible.
- Batch mode: Process folders of PDFs and output one .txt per PDF.
- Encoding support: Exports UTF-8 plain text, handling common Latin and non-Latin scripts when embedded correctly.
- CLI + GUI options: Command-line for automation; lightweight GUI for one-off use.
- Configurable filters: Rules to strip or keep headers, footers, page breaks, and metadata.
- Preview mode: Quick snippet preview before exporting.
Typical workflow
- Open the app or run the CLI with input path(s).
- Choose cleaning level: Minimal / Moderate / Aggressive.
- (Optional) Define header/footer patterns or page-number regex.
- Run extraction; review preview.
- Export .txt files (one per PDF) or a merged single text file.
Best for
- Researchers converting papers to plain text for search or analysis.
- Developers preparing corpora for NLP preprocessing.
- Users needing readable text from scanned or poorly formatted PDFs (if OCR provided).
Limitations
- Scanned PDFs require OCR—quality depends on OCR engine.
- Complex layouts (tables, multi-column magazines) may lose precise structure.
- Perfect preservation of original visual layout is not the goal.
Quick CLI example
Code
pdf2txt-clean –input /path/to/file.pdf –mode moderate –remove-page-numbers –output file.txt
If you want, I can draft a short README, CLI reference, or example configuration for this tool.
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