My laptop has no GPU, so I gave it the night shift

Description and use

Screenshots taken for later are processed overnight on a CPU‑only laptop using Gemma 3 4B, producing a local morning digest without cloud data transfer.

Problem

Screenshots taken for later never get processed, leaving 575 unreviewed files.

Outcome

The tool processes screenshots overnight on a CPU‑only laptop, producing a structured morning digest without sending data to the cloud.

Workflow

• Point Later at the screenshots folder
• Run python -m later sleep --now --limit 5 to process a batch overnight
• Open the digest with python -m later which launches a local web page
• Review the organized items and use the tidy/undo features

Evidence

Later runs on your own laptop and opens as a web page on 127.0.0.1. Nothing is hosted, because the whole point is that your screenshots never leave your machine.

Source

Gemma 3 4B averages about 33 seconds per screenshot. In a chat app that would be unusable. For a job that runs while I sleep it does not matter, so I designed around it.

Source

Two locks on the secrets. A screenshot counts as private if the model says so or a deterministic check fires: OTP wording next to a code, a card number that passes the Luhn checksum, ID numbers, balances, password: lines, lab-report terms.

Source