Engineering Journal

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Technical insights on document parsing, Markdown automation, and the future of developer workflows.

FeaturedApril 17, 2026

Building a PDF to Embeddings Pipeline in 20 Lines of Python

Turn any PDF into clean chunks, embed them with OpenAI, and store in a vector DB — end-to-end, under 20 lines. Runnable code for pgvector and Pinecone.

Read Time: 6 min
Category: AI
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Parsing

Word to Markdown: The Complete Guide (.docx and .doc)

How to convert Word documents to clean Markdown — what survives, what gets dropped, how tracked changes and comments are handled, and the difference between .docx and legacy .doc.

June 6, 20266 minopen_in_new
Comparison

Best Document to Markdown Converter for LLMs: mdstill vs CloudConvert, LlamaParse and Copy-Paste

Which converter is the best for turning documents into Markdown for ChatGPT, Claude, Gemini and RAG? Side-by-side comparison of mdstill, general converters, copy-paste, and DIY parsing libraries on token cost, table fidelity, privacy, setup and price.

May 28, 20268 minopen_in_new
Workflow

Notion's Markdown Export Quirks (and How to Fix Them)

Notion ships with built-in Markdown export, but several block types convert poorly or lose meaning entirely. Here are the quirks that break downstream tooling — and how to work around them.

May 14, 20264 minopen_in_new
AI

How to Feed Documents to ChatGPT Without Losing Context

Copy-pasting from PDFs destroys tables and wastes tokens. Here is how to feed documents to ChatGPT properly — and get dramatically better answers.

April 9, 20265 minopen_in_new
AI

How to Summarize a PDF with AI: Step-by-Step Guide

The fastest way to summarize a PDF with ChatGPT, Claude, or Gemini — and why converting to Markdown first gives you a better summary every time.

April 9, 20265 minopen_in_new
AI

Token Optimization: How Markdown Saves You Money on AI API Calls

Every token costs money. Raw PDF and HTML waste 40-60% of your context on noise. Markdown strips the fat and keeps the structure — here is how much you save.

April 9, 20265 minopen_in_new
AI

How to Convert PDF to Markdown for ChatGPT, Claude and Gemini

Stop pasting raw PDF text into AI chatbots. Converting to Markdown saves 40-60% of tokens, preserves tables, and dramatically improves AI output quality.

April 8, 20264 minopen_in_new
AI

Preparing Documents for RAG Pipelines: Why Markdown Beats Plain Text

Markdown input improves RAG chunk quality, retrieval accuracy, and LLM output. Here is why and how to integrate document conversion into your pipeline.

April 6, 20263 minopen_in_new
Workflow

PDF to Markdown for Obsidian: The Complete Guide

Convert PDFs into Obsidian-compatible Markdown to unlock search, backlinks, and graph view for your document library.

April 4, 20264 minopen_in_new
Workflow

Apple Notes Now Supports Markdown: How to Convert Your Documents

iOS 26 added native Markdown support to Apple Notes. Here is how to convert your documents to Markdown and get them into Notes across all your devices.

April 2, 20264 minopen_in_new
Workflows

EPUB to Markdown for Obsidian and Notion

Convert EPUB files to clean Markdown for Obsidian vaults and Notion databases. Turn your ebook library into a searchable, linkable knowledge base.

April 1, 20263 minopen_in_new
Parsing

Excel to Markdown Tables: The Complete Guide

Everything you need to know about converting XLSX spreadsheets to GFM Markdown tables -- multi-sheet workbooks, large datasets, formulas, and edge cases.

March 24, 20264 minopen_in_new
Workflows

PowerPoint to Markdown: Extract Slides Without the Bloat

Convert your PPTX presentations to clean Markdown for documentation, version control, and LLM consumption. No more binary blobs in your repo.

March 10, 20263 minopen_in_new
AI

Preparing Documents for LLMs: Why Markdown Matters

Markdown is the optimal input for LLMs. How converting documents to Markdown improves token efficiency, reduces hallucinations, and supercharges RAG.

March 3, 20264 minopen_in_new
Parsing

How to Convert PDF Tables to Clean Markdown

Why PDF tables are so hard to extract, what mdstill handles well, and when you need a dedicated parser for complex layouts.

February 18, 20264 minopen_in_new
Workflow

Automating Your Technical Blog with GitHub Actions

A step-by-step guide to building a seamless CI/CD pipeline for Markdown-based content publishing using mdstill's API.

February 5, 20261 minopen_in_new
AI

Optimizing PDF Extraction for LLMs

Strategies for preserving structural integrity when converting legacy PDF tables into clean Markdown formats suitable for AI consumption.

January 20, 20262 minopen_in_new