Gmail Mono is a Chrome plugin developed by ls42apps that aims to improve the readability and aesthetics of plain-text emails in Gmail. This free plugin changes the display of plain-text mails and the compose window to a monospace font.

With Gmail Mono, all text-only emails are displayed in a monospace font, making them easier to read and giving them a clean and organized look. Additionally, the plugin modifies the compose window, ensuring that default text for plain-text emails is also displayed in a monospace font.

One of the standout features of Gmail Mono is its limitation on line-length for displayed text. It restricts the line-length to 72 characters, preventing excessively long lines and improving the overall readability of the emails.

If you're someone who frequently deals with plain-text emails in Gmail and values a clean and organized aesthetic, Gmail Mono is a great plugin to enhance your email experience.