# chrono

> Extend Firefox's history capabilities with browsing history stats, improved searching and additional features.

Canonical page: [https://chrome-stats.com/d/chrono-ext](https://chrome-stats.com/d/chrono-ext)

## Overview

- **ID:** `chrono-ext`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** sereneblue
- **Category:** other
- **Daily users:** 131
- **Rating:** 4.64 / 5 (11 ratings)
- **Version:** 1.1.2
- **Last updated:** 2021-08-04
- **First published:** 2019-03-28
- **Size:** 847 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/chrono-ext/)
- **Website:** [https://github.com/sereneblue/chrono](https://github.com/sereneblue/chrono)

## Description

chrono is a powerful Firefox extension that upgrades your browsing history experience. It offers detailed statistics over multiple time frames like 1 year and 1/3/6 months, helping you visualize your browsing habits by month. The extension also enables clearing history by date range for better control.

Search capabilities are enhanced with chrono’s support for operators to filter by date range and remove specific results, plus grouping features by domain. Choose from 19 themes including dark and light modes powered by Vuetify for customization. Note that performance may vary if you have extensive browsing data. Shortcut: CTRL+ALT+H.

## Rankings

- #10,149 — Overall
- #100 — stats
- #136 — disclaimer
- #149 — month
- #168 — improve
- #237 — license

## Permissions and access

### Permissions

- `browsingData`
- `history`
- `storage`
- `tabs`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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- [chronos](https://chrome-stats.com/d/chronos-app) — 1 users
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- [bfzf](https://chrome-stats.com/d/bfzf) — 5 users, 4.50 / 5
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- [ChroMoz](https://chrome-stats.com/d/chromoz)
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- [Weather & Clock Dashboard](https://chrome-stats.com/d/weather-clock-dashboard) — 5 users
- [Improved History (With Shortcut)](https://chrome-stats.com/d/improved-history-with-shortcut) — 2 users

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Source: [Chrome-Stats](https://chrome-stats.com/d/chrono-ext)