/about
Save is built by one person, in the open.
Save is a Chrome extension that turns any webpage into clean Markdown in one click. It was built by Jean-Sébastien Wallez, a French product engineer in Paris, to solve his own problem feeding web content to Claude and Obsidian.
No VC funding, no team, no growth team. Just one person who wanted better Markdown exports and kept shipping until the tool was good enough to charge for.
Jean-Sébastien Wallez
Founder & product engineer · Paris, France
French entrepreneur, product engineer, and investor. I've been shipping web and mobile apps for over a decade — most recently solo products like Daychat (AI calendar assistant) and Reswap (AI photo swap). Save is the tool I use every day for my own research and knowledge management, shipped publicly so you can use it too.
Why Save exists
In 2025, I was drowning in browser tabs. YouTube lectures I wanted to reference, Reddit threads with exactly the answer I needed, arXiv papers I'd bookmarked but never read, Notion docs from client projects. All of it sat in tabs or bookmarks, invisible to the AI tools I was using for research.
Existing web clippers produced messy Markdown — cookie-banner noise, nav chrome, broken code blocks. Fine for humans; terrible for Claude or ChatGPT as context. I wanted Markdown that looked hand-written, one click away from any page.
Save started as a weekend project. It used an AI model to clean and structure each page instead of rule-based HTML-to-Markdown. Within a few weeks I was using it daily. A few months later, people I'd never met were paying for it. That's where Save is now — a small, profitable, independent tool used by researchers, developers, and writers who want their web content as text they own.
How Save is built
- ▸ AI-first extraction. Save uses Google Gemini with 300+ site-specific prompts to turn messy HTML into structured Markdown. The extension captures the page, the API runs it through the right prompt for that site, you get clean output.
- ▸ Privacy-first. Page content is sent to Save's API, processed, and returned. It's never stored server-side beyond the duration of a request. Your clipped content lives on your device — or, if you install Save Vault for Mac, in a local folder you own.
- ▸ Local-first storage. Save Vault for Mac writes every clip to
~/Documents/Save Vault/, with no cloud dependency. Open the folder as an Obsidian vault, grep it withripgrep, or let Claude read it via MCP. - ▸ Built for AI workflows. Save's output is tuned for LLM context windows — heading structure preserved, tables as Markdown, no layout cruft. It's what I use myself to feed Claude and ChatGPT every day.
- ▸ Open where it can be. The marketing website is open-source on GitHub. The extension, API, and macOS app stay closed to keep the business model viable, but the infrastructure and agent-readiness work (llms.txt, MCP cards, etc.) are all public.
Get in touch
Save is built by one person, which means when you email [email protected], I read it. No support tickets, no AI-generated replies — an actual human who knows the code.
If you've found a bug, have a feature idea, or want to chat about AI knowledge bases, Obsidian workflows, or Markdown — email me or DM on X.