PackForAI Blog
Cleaning PDFs, saving tokens, and getting better answers from ChatGPT and Claude.
Looking for a LlamaParse alternative? If you want document-to-Markdown without adopting a framework, here is how PackForAI compares and who each one fits.
July 4, 2026 · 5 min read
Tables are where PDF extraction fails hardest, and where LLMs give wrong numbers. Here is why, and how to get tables out of a PDF as clean Markdown an AI can read.
July 4, 2026 · 6 min read
If your PDF is scanned, ChatGPT sees nothing. Here is why image-only PDFs come back empty, and how OCR turns them into text an AI can actually use.
July 4, 2026 · 5 min read
How many tokens does a PDF use in ChatGPT or Claude? It depends on the content and how cleanly it is extracted. Here is how to estimate it and cut it down.
July 4, 2026 · 5 min read
The best PDF parser for RAG depends on your setup. Here is an honest look at the main options, open-source and hosted, and how to pick for your pipeline.
July 4, 2026 · 7 min read
LLM costs scale with tokens, and documents are full of tokens you are paying for but the model ignores. Here is how to find and cut that waste.
July 3, 2026 · 6 min read
In RAG, retrieval quality is capped by what you embedded. Raw PDF chunks quietly wreck it. Here is why clean Markdown is a better substrate and how to preprocess.
July 2, 2026 · 6 min read
PDFs get the attention, but most real documents are Word, PowerPoint and Excel, and each breaks differently when you hand it to an AI. Here is how to convert them right.
July 1, 2026 · 6 min read
Docling and Marker are great free, self-hosted document parsers. Here's an honest look at when to run them yourself and when a hosted tool like PackForAI is the better call.
June 30, 2026 · 6 min read
Excel and CSV data confuses AI when dates, merged cells, and totals get mangled. Here's how to turn a spreadsheet into context ChatGPT and Claude can actually reason over.
June 29, 2026 · 5 min read
A practical guide to cleaning PDFs before you paste them into ChatGPT or Claude — remove noise, keep structure, and cut wasted tokens.
June 28, 2026 · 5 min read
If ChatGPT or Claude keeps misreading your PDF, the problem is usually the document's text layer — not the model. Here is how to diagnose and fix it.
June 28, 2026 · 4 min read
Why Markdown is the right format for feeding documents to AI, and how to convert PDF, DOCX, PPTX, and XLSX into clean, AI-ready Markdown.
June 28, 2026 · 5 min read
