Saylo is a voice dictation app for macOS 12 and later and Windows 10 and 11. It transcribes speech on the user’s computer and types the resulting text into the active app. To dictate, users hold a chosen key, speak, and release it; they can also tap the key to start and stop dictation. A listening indicator displays speech as it is recognized, and users can press Escape to cancel. Saylo edits transcripts before typing them by removing filler words and repeated words, applying spoken corrections, and adding punctuation. Voice commands such as “new line,” “new paragraph,” “comma,” and “question mark” can control formatting. The app supports English, Hindi, Spanish, French, German, Japanese, Chinese, and other languages. It can remember names and specialized terms, and adjusts formatting for contexts such as chat apps, terminals, and code editors. The app can be used to enter text in a range of applications without opening a separate transcription window. Speech recognition works offline, and the site states that audio is processed in memory, discarded, and not written to disk or uploaded. Basic use requires no account. Optional polishing and prompt rewriting features are also available, with online text processing used for polishing when that feature is enabled.