Features

The technical building blocks that make SuperSpeech fast, private, and practical in daily work.

SuperSpeech is built around a set of core features that together make the difference: 100% offline processing, 25+ EU languages in a single model, unlimited custom dictionary, optional local grammar correction, configurable global hotkey, file transcription, speaker separation, export formats, and system-wide dictation. No cloud dependency, no fragile browser extension, no integrations to maintain.

Offline Dictation Software — No Cloud, No Internet Required

100% on-device speech-to-text for macOS and Windows. Your audio never leaves your laptop.

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Multilingual Dictation: 25+ EU Languages in One Model

English, German, French, Spanish, Italian, Portuguese, Dutch, Polish — switch languages mid-sentence without changing settings.

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Custom Dictionary for Dictation: Teach SuperSpeech Your Vocabulary

Map spoken variants to preferred output. Brand names, technical terms, legal Latin, medical jargon — SuperSpeech learns your vocabulary.

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Grammar Correction: Local LLM Polish After Transcription

Optional on-device grammar and punctuation cleanup via Llama-3.2-3B. Faster than re-reading, fully offline, no cloud LLM cost.

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Global Hotkey Dictation: Speak Into Any App

Configurable system-wide hotkey triggers dictation in the active application. No app switching, no copy-paste, no friction.

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System-Wide Dictation for macOS and Windows

One dictation engine, every application. Works in native apps, browsers, terminals, and even virtual machines.

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Offline File Transcription for Audio and Video

Transcribe MP3, WAV, M4A, MP4, and MOV locally in seconds without upload limits or minute caps.

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Speaker Diarization for Interviews and Meetings

Separate speakers automatically so transcripts show who said what without manual cleanup from scratch.

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Transcript Export Formats: TXT, DOCX, Markdown, SRT, VTT

Move from transcription to handoff faster with the format that fits notes, documents, captions, and archives.

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Generate SRT and VTT Subtitle Files Offline

Create subtitle files for interviews, webinars, courses, and social clips without sending media to a cloud editor.

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