Speechpad.pw service provides transcription of speech and audio files into text. Services can be divided into basic and advanced.
Advanced (extended) features of Speechpad.pw now include: voice input in integrated mode with OS Linux and Windows, and transcribing audio files longer than 15 minutes.
Extended features can be turned on in the User profile page. To try and order them, you need to register and log in user account (link to the User profile will be available after registration).