R20es Install Guide

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VTTes/R20es v1.15.19

Supported Platforms

You must use the current (non-ESR) version of one of the following browsers. If you are, click on the browser you're using

NOTICE: As of 2019-09-30, the extension has been taken down from the Chrome Web Store in fear of copyright violation.
The original takedown statement can be read here
Installing the extension is still possible but convoluted.
If this is daunting; We recommend using Firefox to avoid the extra steps.
How to Install
  1. Download the extension here
  2. Extract the zip file somewhere permanent.
  3. Copy & Paste chrome://extensions into the URL bar and press enter.
  4. Enable "Developer Mode" in the top right.
  5. Click "Load unpacked" in the top left.
  6. Select the extracted extension folder and click the "Open"/"Select" button
  7. Make sure to not delete the extension folder as that will remove the extension.

Source Stormy's Site Notes

This process disables the auto-update feature; and so it is advised you join the Discord Server for VTTes for notifications on new releases. (which will require you to revisit these steps to install the updated extension)

NOTE: this not supported on 5eTools/BetteR20.

Click Here

Then go get the Chrome compatibility extension, restart the browser.

then get the VTTes/R20es Extension for Chrome and Opera.

Visit the Roll20 Website.

If this is the first time you've installed the extension a popup notification will appear to begin familiarizing you with the extension and its features.

Otherwise, you'll see a notification in the chat dialog box like what is pictured on the below.


If you see that then the extension has loaded correctly.

If you do not, you'll want to visit the Troubleshooting Guide for R20es.

Or click here for Basic Troubshooting

If you are using BetteR20, you're using Roll20, VTTes/R20es, Tampermonkey and BetteR20, and sometimes things will occur that create problems in your gaming experience that you'll want to troubleshoot and report to the devs to get fixed.

Part of using 5eTools and by extension BetteR20; is the understanding that you're not going to be reporting on public posts, that you're having an issue, or to other discord servers.


1️⃣ Check to see if you are using a supported browser
Chrome : 74+
Firefox : 67+
Chrome : 78.0.3904.108
Firefox : 70.0.1

Update branch 73 is bugged, please update to 74.
WaterFox is not supported. It runs on a dated branch of Firefox build
ESR release is also, NOT supported, it runs on version 60, which is lower than the minimum required version for Firefox. Consider switching to the default branch of Firefox.

if you are not, update your browser and then close and restart.

2️⃣ Then confirm you are using the current supported product version

5eTools v1.92.0
BetteR20 v1.16.16
R20ES v1.15.19
Plutonium v0.6.0

if you are not, update your browser and then close and restart it.

3️⃣ Refresh the page by doing a ctrl + F5. Yes. It's simple, easy and resolves most of the issues.

4️⃣ Islocate Cause


Escalate/Scorched Earth

5️⃣ 6️⃣ 7️⃣ 8️⃣ 9️⃣

Use both Chrome and Firefox (and their private/incognito modes) to see if the problem is unique to a single browser's settings.

If the issue appears in only one browser, or even only on one computer (if you have more than one computer to test upon). You'll want to do the following.

👉 AGRESSIVELY Empty Cache:

Template:EmptyCacheChrome Template:EmptyCacheChrome
In Chrome
Go to Settings
In Advanced
Site Settings
View permissions and data stored across sites
Locate Roll20
Click Clear Data
Template:EmptyCacheFirefox Template:EmptyCacheFirefox

Uninstall script/extension

Template:ReinstallExtensions Template:ReinstallExtensions
Template:ReinstallBrowser Template:ReinstallBrowser

caching issues chrome go to settings find a site settings option go to Storage go to 5etools.com delete everything

firefox in the clear private data menu for deleting offline website data

If the problem exists between browsers, then its likely, not just a local issue. Make sure you've keep entering into the same game. Make sure your efforts to see what is happening include attempting to 

generate the error other games (even if you have to create a game to test.)

Then confirm you are using the current supported product version

4️⃣ Disable other extensions (this includes Tampermonkey) and do a ctrl + F5. If the problem or setting(s) you are attempting to work with are not present, the issue resides outside of R20ES.

Disable R20ES and attempt to use Roll20 without it. (It may be that Roll20 has something going on with it independently.

Try Uninstalling and reinstalling the VTT ES (R20ES) extension.
if the problem isn't with R20ES, and specifcally if the problem is with tampermonkey scripts. Use that script's support discord/wiki

Once you've confirmed the issue is with R20ES. State the problem AND the steps to reproduce the problem, feel free to add screenshots, and where possible provide the error (red) text from the console. ( ctrl+shift+J opens the console - Red Text are the error messages)


(you do not need to screenshot a "Uh-oh" error screen. The console or debug results are what is going to be sought. Be prepared to provide that when asked...)

Copy and fill out this:

ISSUE: a statement of the issue STEPS: what you need to do to generate it BROWSER: what browser and version you are using EXTENSION(s): what extensions are you running when the error presents. CONSOLE: copy of what the console or error message(s) show

Specify EVERYTHING, saying "current version" doesn't mean you are, knowing what the current version is, does indicate that you've checked and confirmed such. Use to https://www.whatismybrowser.com/ check if it really is. Template:IdentifyR20Product

How to update the code

The extension will update itself as Stormy updates the code automatically. (Firefox only)

You'll receive a notification pop up (like this).

For Chrome you are advised to Join the VTTes Discord server to be made aware of updates; to update you will need to follow the Installation instructions above, and be sure to remove (or at least disable) the prior version of the extension.

How to Uninstall the Extension

From time to time want to uninstall and reinstall the extension for troubleshooting problems with errors in Roll20 that occur.

In Chrome.

Uninstall an extension

To the right of your address bar, look for the extension's icon.
Right-click the icon and select Remove from Chrome.

If you don't see the extension's icon:

  1. Open Chrome.
  2. At the top right, click More ChromeSettings.png More Tools > and then Extensions.
  3. Next to the extension you want to remove, click Remove.
  4. Confirm by clicking Remove.

How to Roll Back

in process link https://github.com/SSStormy/roll20-enhancement-suite/raw/gh-pages/r20es_1.15.15_chrome.zip here

In Firefox.
Hit Ctrl + Shift + A or click on the hamburger click Add-ons
Find the VTT Enhancement Suite (below)


Choose "Remove"
Close browser then reopen and proceed with the installation process outlined above.

PLEASE NOTE: Roll20 Enhancement Suite (aka VTT es/ R20es), is not part of BetteR20 or 5eTools. However; as BetteR20 requires VTT es/R20es, this Wiki covers its content to (HOPEFULLY) prevent BetteR20 users from requesting help on BetteR20 issues on the VTTes/R20es Discord server or other platforms (Reddit/Roll20.net Forum, etc).