# oka-project (English) > oka-project is a personal project by oka for planning, building, and running web tools, services, and media, starting from frustrations that come up in things I use myself — “this is hard to use” or “I wish something like this existed.” When existing options are weighed down by too many ads, complicated controls, missing features, or other friction, I try a version that works better for me and make it available to others facing the same problem. The project is not limited to one format: it ranges from small free tools to paid tools and larger services, each developed over time. Mission: Expanding possibilities / Tagline: Spread more excitement. Generated: 2026-09-25T14:11:21.384Z (from the live database) Most content on this site is written in Japanese. The Japanese llms.txt is the primary index: [llms.txt](https://oka-project.com/llms.txt) MCP (read-only, no auth): `https://mcp.oka-project.com/public` — search / fetch / list_services / list_works / list_updates / get_tool_info (content is in Japanese). ## English pages - [Top](https://oka-project.com/en) - [About oka-project](https://oka-project.com/en/about) - [Contact](https://oka-project.com/en/contact) - [Privacy policy](https://oka-project.com/en/privacy) - [Blog](https://oka-project.com/en/blog) - [News](https://oka-project.com/en/news) - [Works](https://oka-project.com/en/works) - [Services](https://oka-project.com/en/services) - [Tools](https://oka-project.com/en/tools/) ## Official profiles - [X @project_oka](https://x.com/project_oka): Site & tool updates - [note @okaproject](https://note.com/okaproject): Build notes & thoughts (Japanese) - [GitHub @gerupus](https://github.com/gerupus): Public code & developer profile ## Articles in English - [How to Open .md Files on Windows, Mac, and in a Browser](https://oka-project.com/en/blog/open-md-file-browser.md) - [How the Browser Became an Application Platform](https://oka-project.com/en/blog/how-browser-became-app-platform.md) - [Preview README.md Before Publishing to GitHub](https://oka-project.com/en/blog/github-readme-preview.md) - [Convert Markdown to Word: Paste, DOCX, or Pandoc](https://oka-project.com/en/blog/markdown-to-word-docx.md) - [How to Use ChatGPT Markdown in Hatena Blog](https://oka-project.com/en/blog/markdown-to-hatena-notation.md) - [How to Paste ChatGPT Markdown into WordPress Gutenberg](https://oka-project.com/en/blog/markdown-to-wordpress-gutenberg.md) - [Markdown Viewer Is Now Available](https://oka-project.com/en/blog/release-markdown-viewer.md) - [What I Publish on the oka-project Blog — Editorial Principles](https://oka-project.com/en/blog/why-we-write-here.md) - [Reuse AI Markdown Across Google Docs, WordPress, Word, and More](https://oka-project.com/en/blog/reuse-ai-markdown-across-platforms.md) - [Why ChatGPT Formatting Breaks When You Copy and Paste](https://oka-project.com/en/blog/why-ai-copy-paste-formatting-breaks.md) - [How to Paste ChatGPT into note Without Breaking Markdown](https://oka-project.com/en/blog/chatgpt-markdown-to-note.md) - [Why Markdown Tables Break and How to Fix Them](https://oka-project.com/en/blog/markdown-table-not-rendering.md) - [Are Online Markdown Editors Safe? What to Check](https://oka-project.com/en/blog/browser-markdown-editor-safe.md) - [How to Make “No Upload” Enforceable in the Browser](https://oka-project.com/en/blog/browser-only-tools-csp.md) - [Files You Shouldn't Upload to Online Tools](https://oka-project.com/en/blog/files-you-should-not-upload.md) - [Convert Markdown to PDF: Browser, VS Code, or Pandoc](https://oka-project.com/en/blog/markdown-to-pdf-without-upload.md) - [Preview Markdown in Your Browser — No Install, No Upload](https://oka-project.com/en/blog/markdown-preview-online.md) ## Works - [oka-vrc travelogue](https://oka-project.com/en/works/oka-vrc): A VRChat world guide built from places I have actually visited, using photos and firsthand experience. Explore worlds by purpose and setup — chill, VR sleep, photography, social, games, Quest compatibility, and more — alongside beginner guides, settings, and practical tips. ## Services - [Web tools & services](https://oka-project.com/en/services): Built from real frustrations into things I would want to use myself. Starting with small web tools, and gradually expanding into paid tools and larger services. - [Meetup Ticket](https://oka-project.com/en/services): A meetup app for reducing the back-and-forth of asking “Where are you?” ## Latest news in English - [2026-09-23 Yomu Is Now Available in English](https://oka-project.com/en/news/yomu-english-version) - [2026-09-19 Sai no Kawara, a Browser-Based Idle Game, Is Now Available](https://oka-project.com/en/news/sai-no-kawara-release) - [2026-09-17 Yomu Is Listed on SaaSHub](https://oka-project.com/en/news/yomu-listed-on-saashub) - [2026-09-01 Yomu Markdown Editor Is Now Available](https://oka-project.com/en/news/yomu-markdown-editor-release) - [2026-08-23 The Tools Site Is Now Live — Starting with Markdown Viewer](https://oka-project.com/en/news/tools-site-launch) - [2026-08-23 The oka-project Website Is Now Live](https://oka-project.com/en/news/site-launch) ## Tools - [Yomu](https://oka-project.com/en/tools/markdown-editor): Write Markdown, then shape it for wherever it's going - [Markdown Viewer](https://oka-project.com/en/tools/markdown-viewer): Preview .md files instantly. Save as PDF too - [Sai no Kawara](https://oka-project.com/tools/sai-no-kawara): Stack the stones. Watch them fall. That's the game.