---
title: "Billable Hours Timer for Freelancers – BillableCalc – Chrome extension stats, history and permissions"
description: "No user count, no ratings yet. Version 0.2.0, updated 2026-11-05. Requests 5 permissions."
url: "https://extensiontracker.com/extension/kcolochdcbfpdidechedpkdlobjmdned"
---

# Billable Hours Timer for Freelancers – BillableCalc

Live in the Chrome Web Store.

- Users: the store shows no user count
- Rating: no ratings yet
- Last checked: 2026-11-06 04:44 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Billable hours timer that reminds you to start on a client's site and catches idle time. One-click invoices. No account.

- Extension ID: `kcolochdcbfpdidechedpkdlobjmdned`
- Developer: [BillableCalc](https://extensiontracker.com/developer/ud7595724b8665737761773e0b71ee684)
- Enhanced Safe Browsing: Not trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2026-10-30
- Last updated: 2026-11-05
- Version: `0.2.0`
- Size: 53.6 KiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `billablecalc.com`
- Support page: `https://billablecalc.com/billable-hours-timer.html`
- Chrome Web Store: <https://chromewebstore.google.com/detail/billable-hours-timer-for/kcolochdcbfpdidechedpkdlobjmdned>
- View its code or download CRX: <https://crxpeek.com/extension/kcolochdcbfpdidechedpkdlobjmdned>
- Search Google for the ID: <https://www.google.com/search?q=%22kcolochdcbfpdidechedpkdlobjmdned%22&tbs=li:1>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-06 | – | – | – |
| 2026-11-04 | – | – | – |
| 2026-10-31 | – | – | – |

## What changed

Every change found on a check, newest first.

- 2026-11-06: The developer's display name changed from “klachev.vitali” to “BillableCalc”.
- 2026-11-06: The developer's contact email changed.
- 2026-11-06: Now declared a trader under EU law.
- 2026-11-04: New version `0.2.0`, replacing `0.1.1`.
- 2026-11-04: The summary on the listing changed.
- 2026-11-04: Added the permissions `idle`, `notifications`.
- 2026-11-04: Added the optional site `https://*/*`.

## Developer history

Moves to another publisher account and new contact emails, newest first.

- 2026-11-06: The contact email changed. The developer's display name changed from “klachev.vitali” to “BillableCalc”.

We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/).

## What it can access

From the extension's manifest, in plain language.

### Sites

- `https://api.gumroad.com/*`: api.gumroad.com

### Browser features

- `alarms`: Run tasks on a schedule
- `idle`: Detect when you're away from the computer
- `notifications`: Show notifications
- `storage`: Save settings and data in your browser

### Asked for later, if you agree

- `https://*/*`: Every website

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Bulk Delete LinkedIn Posts, Comments & Likes – Activity Cleaner](https://extensiontracker.com/extension/cggmnmnchnbackhfknagljdeboidbgak) | 13 | 5.00 | 1 | Tools |

All 2 extensions by [BillableCalc](https://extensiontracker.com/developer/ud7595724b8665737761773e0b71ee684).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked again 7 and 30 days after it was published, and again whenever a new version appears. Last checked 2026-11-06 04:44 UTC; next check around 2026-11-29.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “Billable Hours Timer for Freelancers – BillableCalc” (kcolochdcbfpdidechedpkdlobjmdned). Chrome Web Store data, last checked 2026-11-06. https://extensiontracker.com/extension/kcolochdcbfpdidechedpkdlobjmdned. Accessed 2026-11-08.

```bibtex
@misc{extensiontracker_kcolochdcbfpdidechedpkdlobjmdned,
  title   = {Billable Hours Timer for Freelancers – BillableCalc (kcolochdcbfpdidechedpkdlobjmdned)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-06},
  url     = {https://extensiontracker.com/extension/kcolochdcbfpdidechedpkdlobjmdned},
  urldate = {2026-11-08}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/kcolochdcbfpdidechedpkdlobjmdned>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.