Heronflow

Gemini Nano

An AI assistant that runs on your device

Heronflow uses Chrome’s built-in Gemini Nano model. Your data never leaves your device, and no API key or fee is needed.

What can it do?

Suggest subtasks

Break a task into 3–7 concrete subtasks.

Description and acceptance criteria

Write a short, clear description and list the acceptance criteria.

Classify

Suggest type, priority, labels and points; apply with one click.

Summarize comments

Boil a long discussion down to a few points.

Generate tasks from text

Split meeting notes or an email into tasks.

Note assistant

Summarize, fix, translate, continue, brainstorm and outline.

Workspace chat

Ask questions like “What might not make it this sprint?”

Daily and sprint summary

Prepare a stand-up and sprint summary with one click and save it as a note.

Setup

You only need to turn Gemini Nano on once. The app also walks you through these steps.

  1. 1

    Use Chrome 138 or later

    Desktop Chrome is required. 8 GB of RAM or more and about 22 GB of free disk space are recommended.

  2. 2

    Turn on the Prompt API flag

    Set the option to Enabled at chrome://flags/#prompt-api-for-gemini-nano.

  3. 3

    Enable the on-device model

    Choose Enabled BypassPerfRequirement at chrome://flags/#optimization-guide-on-device-model.

  4. 4

    Restart Chrome

    On chrome://components, check for updates for Optimization Guide On Device Model.

  5. 5

    Press the Nano button in the app

    The model downloads on first use and then works offline too.

If Gemini Nano is not supported, the AI buttons show setup help; every other feature keeps working.

Try it

Press the Nano button in the app.

Open Heronflow