Your life in a single file
SEO Note

About SEO Note

SEO Note started as a personal tool by Andrej Dolenko and Max Pastukhov under the name TreeNotePad. It grew into a free notes manager for Windows that keeps many documents inside one file.

Three builds ship from this site. SEO Note 2.1 is the current one: an Electron app (about 121 MB installer) for Windows 10/11 64-bit and Linux x64, with Markdown, the tree editor, AI talking to a model you connect — a local one or any OpenAI-compatible endpoint, a web clipper and git sync of the file. For Android 6.0 and newer there is a release-signed APK (~10 MB) of the same interface; on the phone notes live as a folder of Markdown files on the device, and passwords, sync, the clipper and AI answer there with an explicit refusal. The classic build 1.3.34 (~2.5 MB, Win32) stays on the download page for Windows 7, 8 and 32-bit PCs, where 2.1 does not install; its notes file is .seo. All three work offline with no account: pick your build, or read how 2.1 and 1.3.34 differ.

Mission
Help people stay organized in work, study, hobbies and personal projects — without cluttering the desktop with dozens of separate files.

What it does

SEO Note is a tree-style editor for text, rich text and HTML notes. You build a tree of articles in one panel and edit the selected article in another. Bookmark panels let you keep several trees in the same file.

Create, import and export content as .txt, .md and .html, and export to PDF. Everything stays on your PC.

Who it is for
Anyone who needs an offline outliner: students, freelancers, support teams, writers — or anyone tired of losing notes across folders.

Learn more

Have free software like SEO Note? Send us an article and we may publish it here.