Enhance Your YouTube Experience with HD Features

YouTube High Definition is a Firefox add-on designed to enhance the viewing experience on YouTube by addressing common playback issues. This free multimedia tool automatically plays videos in the highest available resolution, allowing users to specify their preferred quality settings ranging from 4K to 144p. Additionally, it offers customization options such as changing the video player size and controlling auto-mute volume, ensuring a tailored experience.

The add-on also supports HD playback for videos embedded on various external platforms like Facebook, Twitter, and Reddit. Users can set a preferred volume level that applies to all videos, further improving their listening experience. With YouTube High Definition, users can enjoy their favorite content with optimal video and audio quality effortlessly.

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Laws concerning the use of this software vary from country to country. We do not encourage or condone the use of this program if it is in violation of these laws.
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Is YouTube High Definition safe?

100/100

Score result: Clean

This file passed a comprehensive security scan using VirusTotal technology. It is safe to download.

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Scan Info

Last scan
Tuesday, September 2, 2025
Scan provider
VirusTotal · Full report

File Integrity

File
118.0.9.xpi
SHA256
99195aac88a26aa194ace2f0075d9b4e7710ac3f0c700d18ad3db57b656ee517
SHA1
44eb9a4d2d2c24efd3acf66783ca15f15487c721

Softonic security commitment

YouTube High Definition has been thoroughly scanned by our advanced security systems and verified by industry-leading partners. This file comes from the official developer and has passed all our security checks, showing no signs of viruses, malware, or spyware. For more information, visit our Security and Trust Center