What Tampermonkey does and why it blocks ads

Tampermonkey is a browser extension that runs small scripts — pieces of code written by other users — on websites you visit. On Twitch, these scripts can intercept the ad requests before they load, so you see the stream without the commercial breaks. Tampermonkey itself is free and open-source, and the ad-blocking scripts are written and shared by the community.

The reason this works is that Twitch loads ads through the same web connection as the stream itself. A script can detect when an ad is about to play and either skip it or mute it before it reaches your screen. This is different from a traditional ad blocker, which works by filtering out ad networks at a broader level — Tampermonkey scripts are more targeted and can be updated quickly when Twitch changes how it delivers ads.

Understand that Twitch's terms of service prohibit ad-blocking tools, and using them could result in your account being flagged or suspended. Twitch has also been actively working to detect and block these scripts, so any method you find may stop working without warning. This is a cat-and-mouse situation where the scripts get updated, Twitch patches the workaround, and the cycle repeats.

Key Takeaways

  • Tampermonkey is a free extension available for Chrome, Firefox, Edge, and Safari that lets you run community-written scripts on websites.
  • Ad-blocking scripts for Twitch work by intercepting ad requests before they play, but Twitch actively works to block these methods.
  • Using ad-blocking tools on Twitch violates the platform's terms of service and carries a real risk of account suspension.
  • If a script stops working, it usually means Twitch has patched it, and you will need to find an updated version or a different script.

Installing Tampermonkey on your browser

Go to the official Tampermonkey website (tampermonkey.net) and click the download link for your browser. For Chrome, you will be sent to the Chrome Web Store; for Firefox, to the Firefox Add-ons page; for Edge, to the Microsoft Edge Add-ons store. Click "Add to [Browser]" and confirm the installation when prompted.

After installation, you should see the Tampermonkey icon in your browser's toolbar — usually a small monkey head. Click it to open the dashboard. The dashboard is where you manage scripts: you can see which ones are active, turn them on or off, and delete ones you no longer want. Keep this dashboard in mind because you will return here to add the ad-blocking script.

Finding and installing a Twitch ad-blocking script

The most common source for Tampermonkey scripts is Greasy Fork (greasyfork.org), a community repository where users share scripts. Search for "Twitch ad" or "Twitch adblock" on Greasy Fork. You will see several results, each with a description, the number of installs, and user reviews. Look at the most recent update date — scripts that have not been updated in months are likely broken.

Click on a script you want to try. Read the description and the code comments to understand what it does. Some scripts skip ads silently; others mute them. Some claim to work with Twitch's newer anti-blocking measures, but these claims should be treated skeptically because Twitch updates frequently. Click the "Install this script" button, and Tampermonkey will open a confirmation page showing you the code. Click "Install" to add it to your browser.

After installation, the script is active immediately. Go to Twitch and start a stream. If the script works, ads will either be skipped or muted. If nothing happens, the script is likely outdated. Return to Greasy Fork and try a different one. Keep the Tampermonkey dashboard open in another tab so you can quickly disable or remove scripts that do not work.

What to do when scripts stop working

Twitch regularly updates its ad-serving system to block these scripts. When a script stops working, you will notice ads playing normally again. The first step is to check Greasy Fork for an updated version of the same script — look at the "Last updated" date. If the script was updated recently, disable it in Tampermonkey and re-install the newest version.

If no update exists, try a different script from the search results. Different scripts use different methods to block ads, so one may work when another does not — at least temporarily. Check the reviews and comments on each script's page; users often post whether it is currently working or broken. If multiple scripts are all broken, it usually means Twitch has made a change that affects all of them, and you will need to wait for the script authors to release patches.

The risks of using ad-blocking scripts on Twitch

Twitch explicitly prohibits ad-blocking tools in its terms of service. The platform considers ad revenue essential to paying streamers, and blocking ads undermines that model. While Twitch does not ban accounts instantly for using these scripts, the company has been known to flag or suspend accounts that are detected using them, particularly if the account has a history of other violations.

The detection method is not entirely clear, but Twitch can see when a user's browser is not loading ads that should be served to them. If you use a script on a channel you frequently watch, the streamer and Twitch both have data showing that you are viewing without ads. Smaller streamers who rely on ad revenue may also notice and report viewers who consistently skip ads.

Beyond the account risk, installing scripts from the internet always carries a security consideration. Tampermonkey scripts run with the same permissions as the websites they target, meaning a malicious script could theoretically steal your login credentials or personal data. Stick to scripts from Greasy Fork that have many installs and recent positive reviews, and read the code comments before installing anything unfamiliar.

Legal alternatives to ad-blocking on Twitch

If you want to watch Twitch without ads and without the risk of account suspension, Twitch Turbo is the official paid option. It costs $8.99 per month and removes ads from all channels you watch. You also get a custom emote and other minor perks. This is the only method Twitch endorses for ad-free viewing.

Another option is to watch channels that offer ad-free streams through their own membership programs. Many streamers have channel memberships (separate from Twitch Turbo) that include ad-free viewing as a benefit. The cost varies by channel, but it typically ranges from $4.99 to $24.99 per month, and the money goes directly to the streamer rather than to Twitch.

If you cannot afford either option, accepting ads is the trade-off for free access to the platform. Ads fund the streamers you watch, and Twitch uses that revenue to maintain the service. Many viewers simply mute the stream during ads or use that time to check their phone.

Frequently Asked Questions

Will Twitch ban me for using Tampermonkey scripts?

Twitch can detect ad-blocking and has suspended accounts for it, though bans are not automatic. The risk is real but not may provide. If you use scripts, understand that you are violating the terms of service and accepting the possibility of account action.

Do these scripts work on mobile Twitch?

Tampermonkey scripts only work in desktop browsers. Mobile apps do not support browser extensions, so you cannot use this method on your phone or tablet. Mobile ad-blocking requires different tools and carries its own risks.

Why do ad-blocking scripts stop working so often?

Twitch changes how it delivers ads regularly, and each change can break existing scripts. Script authors update their code to work around the new system, but there is always a lag between when Twitch makes a change and when a working script is available again.

Is Tampermonkey itself safe to install?

Tampermonkey is a legitimate, open-source extension with millions of users. The extension itself is safe. The risk comes from the individual scripts you install through it — always check the source, read reviews, and stick to well-established scripts from Greasy Fork.

Can I use Tampermonkey to block ads on other websites?

Yes. Tampermonkey scripts exist for many websites. You can find scripts for YouTube, Reddit, and other platforms on Greasy Fork. The same principle applies: scripts can be outdated, may violate a website's terms of service, and should come from trusted sources.