Icon of program: Tampermonkey

Download Tampermonkey for Mozilla Firefox

  • Subscription
  • 4.6
    1
  • V5.3.3

Tampermonkey free download. Always available from the Softonic serversTampermonkey free download. Always available from trusted servers.

  • Free & fast downloadFree & fast downloader ()
  • Always available
  • Tested virus-free
Download for Mozilla Firefox

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Alternative Tampermonkey download from external server (availability not guaranteed)
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The Safe Downloader downloads the app quickly and securely via Softonic´s high-speed server, so that a trustworthy origin is ensured. In addition to virus scans, our editors manually check each download for you.

Advantages of the Safe Downloader:

  • Malware protection informs you if your download has installed additional unwanted software.
  • Discover additional software: Test new software that are waiting to be discovered in the downloader.
  • With us you have the choice to accept or skip additional software installs.

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100/100

Score result: Clean

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

  • Virus free
  • Spyware free
  • Malware free
  • Verified by Security Partners

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Scan Info

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

File Integrity

File
5.3.3.xpi
SHA256
1eb5ddffb3b93c0258ef0458658436563772d21bf5dffa334bb8a49cca8f0fff
SHA1
14cda37edefbd18bb3e602c621a19820525c7e04

Softonic security commitment

Tampermonkey 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.