When pasting your email signature into Gmail and then clicking Save changes, you may get one of the following error messages:

“The signature is too long. Please try a shorter signature.”

Or “Sorry, the signature for <your email address> is too long. Please try a shorter signature.”

​​This happens when your email signature has over 10,000 characters in the HTML code and is copied using the Chrome or Edge browser. Our internal investigation shows that this occurs after the signature is copied using the Chrome or Edge browser, and users get this error message in Gmail. It looks like Chrome and Edge add some of their specific symbols to the signature.

There are a few ways how to prevent this error message and install your signature as necessary:

1) Before using your email signature, ensure your signature is minified. Minifying the signature means removing all long links, extra text (for example, disclaimer), extra addons, and making the signature as compact as possible to lower the character count in your email signature. To shorten your links, you can use any online link shortener, such as Short URL.

2) Try to use the Mozilla browser to copy the signature and paste it to Gmail.

According to our last investigation, the Mozilla browser helps copy the signature without underlining and does not add additional text or characters to your signature.

Note: in the case of Mozilla, your Gmail should be opened in Mozilla, too.

3). Ensure the Signature box in Gmail is Empty. When deleting your existing email signature in Gmail, click in the text box and press Ctrl + A (Command + A for Mac) to select all, then delete. This will ensure the full signature is deleted and no remaining code is present.

Do you have other questions? You can check our Knowledge Base for more articles here or contact our Support Team via Live Chat or Email.
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