An online text editor that works offline
Edit text files in your browser, organize them into folders, and pick up where you left off. TTE stores your workspace on this device and works offline after the first load.
No account or server upload is required. Use the browser edition for notes, Markdown drafts, and small text files, or install it as a standalone progressive web app (PWA).
Start editing a text file
- Open TTE and choose New text file, or use File → Import from device to copy an existing file into your workspace.
- Type in the editor. Open additional files in tabs and use the explorer to organize them into folders.
- Press Ctrl+S or Command+S to save. New drafts ask for a name; a path such as
notes/ideas.mdcreates the parent folder too. - Choose File → Export active file to download a copy to your device.
Import supports UTF-8 text files up to 5 MB. The app does not edit the original device file directly: importing creates a browser copy, and exporting downloads your changes.
Text, Markdown, and CSV in one workspace
| Task | Browser editor support |
|---|---|
| Write plain text | Tabs, find/replace, undo/redo, go to line, and soft wrap |
| Organize files | Folders, rename/move, duplicate, import, and export |
| Read Markdown | Basic preview of headings, emphasis, lists, quotes, and code |
| Inspect CSV/TSV | Read-only table preview; return to Text to edit |
| Resume a draft | Restored tabs, text, and cursor positions in the same browser workspace |
| Choose a workspace theme | Light and dark themes, with a layout that adapts to smaller screens |
Use the View menu or the Text/Preview switch to change modes. A preview is read-only. Browser-reserved shortcuts have menu equivalents, so every command remains accessible without memorizing a key combination.
Install it and keep working offline
On the first online visit, TTE caches its interface. Wait for the “Ready offline” status, then you can reopen the editor without a network connection.
Choose Install app in a supporting browser, or use the browser's Install / Add to Home Screen command. Installation availability and wording vary by browser and device. Installing the PWA gives you a standalone window; your files still belong to that browser's local workspace.
Where are my files stored?
TTE uses the browser's origin private filesystem (OPFS). Your files and recovered drafts stay in storage assigned to this site, in this browser profile. TTE does not upload their contents to a server or synchronize them across devices.
Clearing this site's data removes the workspace. Private browsing and browser storage limits may affect availability or persistence. Export important files as backups. The Keep on device action asks the browser for persistent storage; the browser decides whether to grant it.
This is local storage, not an encrypted vault. Other browser profiles, different devices, and different site addresses have separate workspaces.
Browser editor or terminal editor?
Use the browser app when you want a local text workspace without installing a command-line tool. Use the TTE terminal text editor when you want to edit files directly on disk or work on a remote machine over SSH.
The terminal edition also supports document conversion, editable hex views, and terminal clipboard integration. Those features are not in the browser edition. For a terminal walkthrough, see how to edit files in the terminal.
Questions before you start
Is the online editor free?
Yes. TTE's browser editor is free to use and does not require an account.
Can I use it for Markdown?
Yes. Edit a .md file as text and switch to the basic Markdown preview. Embedded HTML is displayed as text, and the browser edition does not implement every Markdown extension.
Do files synchronize between computers?
No. Export a file from one workspace, transfer the downloaded copy, and import it into another. There is no cloud account or automatic sync.
How do I get an updated version without losing files?
Reconnect, then close all TTE app windows and reopen the app so a downloaded update can activate. Do not clear site data to update; that also deletes stored files.