Katge — Video Downloader & Trimmer by avent

Download smarter, trim faster. Grab high-resolution video or audio from your favorite platforms and save the full file—or only the perfect clip—as MP4 or MP3. 100% free. No ads. No account.

Available on Firefox for Android™

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16 Users

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About this extension

Download less. Keep exactly what you need.

Katge is a fast, local-first, multi-platform video downloader and precision trimmer. Download high-resolution video or audio—or select the exact start and end times to save only the clip you need.

No complicated tools. No account. No ads. Just paste a link, choose your format and quality, and download.

KEY FEATURES

Download public, non-DRM video and audio
Save video as MP4 or audio as MP3
Download up to 4K 60fps when available from the source
Trim before saving with precise start and end times
Download only the section you need instead of the entire video
Save video thumbnails with one click
Access everything from a clean Firefox sidebar
Designed for fast, direct downloads
Completely free to use
No ads and no account required

SUPPORTED PLATFORMS

Katge works with public media from:

YouTube
TikTok
Instagram
Vimeo
Dailymotion
X / Twitter
Bluesky
Reddit
SoundCloud
Pinterest
Bilibili
Douyin
WeChat

Platform availability may change when websites update their players or delivery systems.

HOW IT WORKS

Open Katge from the Firefox sidebar.
Select a supported platform or paste a public video link.
Choose MP4, MP3, or thumbnail.
Select the available resolution and frame rate.
Download the complete file or enter start and end times to save a precise clip.

LOCAL-FIRST ARCHITECTURE

Katge discovers public media from the active page and processes video and audio directly in your browser whenever possible. Media is not uploaded to Katge for processing.

This local-first approach provides faster trimming, greater privacy, and less unnecessary data transfer.

PRIVACY

Katge does not require an account and contains no advertising. It does not read private messages, import login cookies, or attempt to access private, subscription-only, age-restricted, or DRM-protected media.

A small configuration request may be used to retrieve platform availability, service status, and feature settings. Video files, page content, and media links are not sent with this request.

RESPONSIBLE USE

Katge is intended for downloading public, non-DRM media that you own or have permission to save. You are responsible for following the copyright rules and terms of service applicable to the content and platform you use.

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Permissions and data

Required permissions:

Download files and read and modify the browser’s download history
Access browser tabs
Access your data for sites in the tiktok.com domain
Access your data for sites in the douyin.com domain
Access your data for sites in the weixin.qq.com domain
Access your data for sites in the wechat.com domain
Access your data for sites in the soundcloud.com domain
Access your data for sites in the bilibili.com domain
Access your data for soundcloud.com

Optional permissions:

Access your data for sites in the youtube.com domain
Access your data for sites in the googlevideo.com domain
Access your data for sites in the ytimg.com domain
Access your data for sites in the ggpht.com domain
Access your data for sites in the dailymotion.com domain
Access your data for sites in the dmcdn.net domain
Access your data for sites in the vimeo.com domain
Access your data for sites in the vimeocdn.com domain
Access your data for sites in the bsky.app domain
Access your data for sites in the reddit.com domain
Access your data for sites in the redd.it domain
Access your data for sites in the instagram.com domain
Access your data for sites in the cdninstagram.com domain
Access your data for sites in the fbcdn.net domain
Access your data for sites in the tiktok.com domain
Access your data for sites in the tiktokv.com domain
Access your data for sites in the tiktokcdn.com domain
Access your data for sites in the tiktokcdn-us.com domain
Access your data for sites in the tiktokcdn-eu.com domain
Access your data for sites in the douyin.com domain
Access your data for sites in the douyinvod.com domain
Access your data for sites in the douyincdn.com domain
Access your data for sites in the amemv.com domain
Access your data for sites in the awemeughun.com domain
Access your data for sites in the byteimg.com domain
Access your data for sites in the snssdk.com domain
Access your data for sites in the weixin.qq.com domain
Access your data for sites in the wechat.com domain
Access your data for sites in the qpic.cn domain
Access your data for sites in the video.qq.com domain
Access your data for sites in the tc.qq.com domain
Access your data for sites in the byteoversea.com domain
Access your data for sites in the bytefcdn.com domain
Access your data for sites in the bytefcdn-oversea.com domain
Access your data for sites in the bytefcdn-ttpeu.com domain
Access your data for sites in the ibytedtos.com domain
Access your data for sites in the musical.ly domain
Access your data for sites in the akamaized.net domain
Access your data for sites in the x.com domain
Access your data for sites in the twitter.com domain
Access your data for sites in the twimg.com domain
Access your data for sites in the soundcloud.com domain
Access your data for sites in the sndcdn.com domain
Access your data for sites in the pinterest.com domain
Access your data for sites in the pinimg.com domain
Access your data for sites in the bilibili.com domain
Access your data for sites in the bilivideo.com domain
Access your data for dai.ly
Access your data for bsky.app
Access your data for reddit.com
Access your data for redd.it
Access your data for soundcloud.com
Access your data for pinterest.com

Data collection:

The developer says this extension doesn't require data collection.