oka-project since 2024
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Guide

How-tos, comparisons, and step-by-step fixes.

Sep 19, 2026 5 min read

How to Open .md Files on Windows, Mac, and in a Browser

A .md file is plain text, so you can open it with a normal text editor. Use a Markdown viewer when you want headings, tables, and code to render.

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Sep 16, 2026 6 min read

Preview README.md Before Publishing to GitHub

Preview README.md before you push, then verify GitHub-specific rendering after publishing. Check headings, tables, code, relative links, images, and task lists.

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Sep 12, 2026 6 min read

Convert Markdown to Word: Paste, DOCX, or Pandoc

Convert Markdown to Microsoft Word with native paste options, DOCX, rich text, or Pandoc. Choose by whether the source is rendered text or raw Markdown.

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Sep 12, 2026 5 min read

How to Use ChatGPT Markdown in Hatena Blog

For a new Hatena Blog article, use the platform's Markdown mode first. Convert to Hatena notation only for existing Hatena-notation posts or workflows that require it.

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Sep 12, 2026 5 min read

How to Paste ChatGPT Markdown into WordPress Gutenberg

Start with WordPress's native paste behavior. Use plain-text Markdown paste for raw Markdown, and convert to Gutenberg blocks only when long-form or repeatable publishing needs more control.

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Sep 12, 2026 7 min read

Reuse AI Markdown Across Google Docs, WordPress, Word, and More

If one destination is enough, use its native features. If the same AI draft must reach several platforms, keep one reviewed Markdown source and convert only at the final step.

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Sep 12, 2026 7 min read

Why ChatGPT Formatting Breaks When You Copy and Paste

ChatGPT or Claude can look correct on screen but break in Word, Google Docs, WordPress, or chat apps. The cause is usually a mismatch between clipboard formats and the destination.

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Sep 12, 2026 6 min read

How to Paste ChatGPT into note Without Breaking Markdown

When ChatGPT or Claude formatting breaks in note, start with direct paste, then use note's plain-text paste only when source styling is the problem. Convert Markdown only when needed.

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Sep 12, 2026 4 min read

Why Markdown Tables Break and How to Fix Them

If a Markdown table renders as plain text, shifts columns, or stops halfway through, the cause is usually syntax, an unescaped pipe, a blank line, or renderer differences.

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Sep 12, 2026 6 min read

Are Online Markdown Editors Safe? What to Check

Before pasting an unpublished draft into a browser editor, check where the text is processed, what the page can send, what it stores locally, and what the Network panel shows.

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Sep 12, 2026 6 min read

Files You Shouldn't Upload to Online Tools

API keys, personal data, contracts, private source code, and other sensitive files need a higher bar before you hand them to an online service.

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Sep 12, 2026 7 min read

Convert Markdown to PDF: Browser, VS Code, or Pandoc

Convert Markdown to PDF with browser Print to PDF, the VS Code Markdown PDF extension, or Pandoc. Choose by whether the job is one-off, editor-based, or automated.

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Sep 12, 2026 6 min read

Preview Markdown in Your Browser — No Install, No Upload

Preview a Markdown file directly in your browser with no installation. This guide explains the fastest method, when GitHub or a local editor is better, and how to check whether a tool uploads your file.

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