Log meal calories from LINE photos into Google Sheets

Send a food photo on LINE and AI logs the dish and estimated calories to Google Sheets instantly.

How the work actually flows

A straight line.

Pattern: Sequence (1)

flowchart TD trig>"photo sent on LINE"]:::trig s0["analyze photo with AI"]:::svc s1["estimate calories"]:::task s2[("log meal to spreadsheet")]:::store s3["send confirmation reply"]:::task trig --> s0 s0 --> s1 s1 --> s2 s2 --> s3 out[/"meal and calories logged"/]:::out pay{{"effortless daily food tracking"}}:::pay s3 --> out out --> pay classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff
Starts itA stepAn outside serviceA record or sheetResultPayoff
Build size
Advanced

A larger build with multiple systems, AI reasoning, and custom rules.

Business functions
AI Agents & Autonomous SystemsSpreadsheet & Database Ops
Connects
LINEGoogle SheetsOpenAI

The problem it solves

Tracking what you eat usually means stopping to type in every meal, and that friction is exactly why most food logs get abandoned after a few days. You want a record of your calories without doing any manual data entry.

Who it fits

Individuals tracking their diet who want an effortless way to log meals.

How it works

  1. A photo or text message is sent to your LINE bot
  2. Photos are analyzed by OpenAI Vision to identify the food
  3. Calories are estimated for what's in the photo
  4. The dish and calorie estimate are logged to Google Sheets
  5. A confirmation message is sent back on LINE
What you get

Meals logged without any typing

Snap a photo of your meal and it gets logged with an estimated calorie count, building a simple food diary you can look back on.

What you get

A running Google Sheets log of meals and estimated calories.

What you need

A LINE Messaging API account and an OpenAI API key.

We can build this. But should you?

The hard question is not how to build it. It is whether this is the right thing to build first.

That is what a Fractional Chief AI Officer figures out with you, before anyone writes a line of code.

Let's Talk Strategy

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