MM↔IN Converter icon

MM↔IN Converter

by robot19960122 · mmtoinches.im · Tools
Established publisherManifest V3 Free
View in Chrome Web Store Data as of 21 Oct 2026

Convert millimeters and inches quickly via popup and context menu.

Users
27
+9 in 30 days
Rating
3.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#138K
#115K among extensions
Version
1.0.0
updated 2 Dec 2025

Users

monthly, 11 months
01427Dec 2025Jun 2026Oct 2026
Latest, 21 Oct 2026: 27 usersMove the mouse over the chart for any month

Ratings count

monthly, 11 months
001Dec 2025Jun 2026Oct 2026
Latest, 21 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About MM↔IN Converter

Short description: - Convert mm ↔ inch instantly in a popup or via right‑click, and copy results as text or images. Long description: - Quickly convert between millimeters and inches directly from the browser toolbar popup. - Prefill from right‑click: convert selected text via "Convert selection (mm↔in)". - See results in Decimal Inches, Fractional Inches (1/16, 1/32, 1/64), and Feet + Inches, side by side. - Copy results as text or export as image for sharing or documentation. - Works entirely offline; English‑only UI. Key features: - Popup converter with precision and rounding controls. - Fraction denominators: 1/16, 1/32, 1/64. - Feet + Inches display with fraction formatting. - Right‑click integration to capture and convert selected text. - Copy results as text or image. - AWG, drill bits, paper sizes, socket sizes quick access. - Batch conversion and chart pages for frequently used values. - Offline conversion; no network requests. Permissions: - ContextMenus: Provides a right‑click action to prefill the popup with selected text. - Storage: Stores recent selection (seedText) locally to improve UX. - No host permissions, no Scripting, no ActiveTab, no ClipboardWrite. Privacy: - No tracking. Conversion runs locally. No data is sent to external servers. Injection policy: - None. The extension does not inject content scripts; conversion happens in the popup UI. Support and links: - Common conversions: https://mmtoinches.im/common-mm-to-inches-conversions/ - Fraction: https://mmtoinches.im/mm-to-inches-fraction/ - Feet + Inches: https://mmtoinches.im/mm-to-inches-feet/ - Chart: https://mmtoinches.im/mm-to-inches-chart/ - Batch: https://mmtoinches.im/mm-to-inches-batch/ - Privacy policy: https://mmtoinches.im/privacy-policy - Support email: support@mmtoinches.im Keywords: - mm, inch, inches, converter, fraction, feet, AWG, drill bit, paper size, socket Data usage: - No data collected. All conversions run entirely on‑device. - Uses `chrome.storage.session` (preferred) or `chrome.storage.local` to store only the last selected text (seedText); no Chrome Sync, no analytics, no tracking. - No network requests are made to developer servers. Privacy practices: - Data collection: None; we do not collect or transmit user data. - Data sharing: None; no third‑party sharing or selling. - Local storage only: last seed text is stored on the device to prefill the popup; no converter preferences are stored. - Data location: On‑device (`chrome.storage.local`), cleared when the user resets or uninstalls the extension. - Security: Minimal retention, no personal data, and no cross‑site tracking. All processing happens locally in the browser.

Growth

WindowUsersChangeRatingsRating
7 days+4+17.4%00.00
30 days+9+50.0%00.00
6 months+17+170.0%+1+3.00

Version history

1 versions recorded
1.0.02 Dec 2025

Details

Category
Tools
First seen
2 Dec 2025
Size
39 KB
Languages
en
Pricing
Free
Privacy policy
mmtoinches.im
Extension ID
effiopljkmmhmfiijbbkpkckmicnkkkk

Permissions and risk

Minimal riskimpact 0, likelihood 2
Permissions
contextMenusstorage

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