Yes, there are several speech-to-text Chrome extensions available. Here are a few popular ones:
Google Web Speech API: This is integrated directly into Chrome and can be used for basic speech-to-text functionality.
VoiceIn Voice Typing: A Chrome extension that allows you to dictate text directly into text fields on websites.
Speechnotes - Speech to Text: Allows for dictation into any text box on websites, with support for punctuation commands and easy editing.
Transcribe - Speech to Text: Converts voice and audio files into text in real-time, supporting multiple languages and saving transcriptions.