Small Chromium extension prototype

Build a simple local popup prototype for Chromium using an approved calculation or reference brief.

$89 USD for this scope. AI-assisted service. Scope and delivery date agreed before payment.

What you receive

• One popup with up to three inputs and one local calculation or reference view.
• Manifest V3 source ZIP and developer handoff notes.
• Unpacked native popup checks in an isolated testing profile.

Inspect the worked example

Original fictional sample, not customer work or evidence of buyer demand.

• source-package.zip
• manifest.json
• package-check.json

The original permission-free Time Note extension is loaded unpacked in a fresh isolated Chromium test profile. Its native popup document converts the UTC example to Tokyo with the correct day rollover and rejects an invalid date and zone. The browser is offline; no owner account/profile was used. Toolbar-click behavior and Store acceptance are unverified.

Send a brief

Supply the exact local behavior, labels and intended Chromium version. No passwords or account details needed.

Request this service — choose Other scoped request and name this service.

Scope limits

Developer prototype only. No Chrome Web Store publishing, signing, fees, automatic installation/updates, host-page access, requested site permissions, private browsing data, backend/API integration or cross-browser compatibility guarantee. Client chooses whether to install in a separate testing profile.

Ordering and delivery

We confirm suitability, scope, price, applicable taxes and delivery date before payment. Payment uses separately agreed supported instructions. The $49 toolkit link never buys this service. We deliver files by email with one consolidated correction round within seven days. If agreed delivery fails, we discuss correction or refund. Applicable consumer rights remain available. No subscription or outcome guarantee.

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