Prompt Atelier Nano collects your AI prompts in one place instead of scattering them across notes, chat histories and text files. Search for the right prompt, fill in the highlighted fields in a form, check the result in the preview and copy the finished text with one click. Prompt Atelier Nano is Prompt Atelier as a single HTML file: no server, no database, no installation. Your prompts live in your browser's storage, optionally backed up continuously to a file of your choosing on disk. Nano is built for workstations where nothing may be installed or a local server isn't allowed to run: the application makes no network request at all. Free under the MIT licence.
Features
Library with full-text search
Search covers title, description, body and tags, with spelling variants resolved and two tags at once acting as an AND. Designed for up to 500 prompts.
Variables instead of copy and adjust
Placeholders in double curly braces automatically become form fields, for single line, multi-line and selection-list input.
Preview just like the full application
The finished text is assembled as you type and matches exactly what Prompt Atelier would produce from the same prompt.
Keywords as reusable blocks
Store recurring wording once. Change it and every prompt using it changes too.
A safety net for content
Deleted prompts stay in the trash for 30 days, an accidental overwrite can be undone by exactly one step.
Exchange with the full application
Prompts move losslessly as JSON or Markdown between Nano and Prompt Atelier, with a preview before every import.
Continuous backup to disk
Where the browser allows it, Nano also writes every change to a file of your choosing.
Five languages
The interface is available in German, English, French, Italian and Spanish, following your browser's language setting.
A look inside the application
Technical details
- Version
- 1.0.0
- Released
- 31 August 2026
- Platform
- Browser