# Submind

> Turn voice notes into structured notes automatically. Record, transcribe, and ask your notes anything with Submind AI. Free up to 5 min. Secure cloud sync included.

Submind is an AI voice notes app for Web and Android that records voice notes, transcribes them, and turns them into structured notes with an AI assistant. Every plan includes all 8 note types, translation of notes and transcripts into 45 languages, and transcription settings like speaker names, punctuation, filler-word removal, and custom vocabulary. Premium adds 1 hour recordings, 2,000 min/mo of transcription, audio import, and the Submind AI assistant. The web tools below run entirely in the browser: audio and video files are never uploaded to a server.

## App
- [Submind on Google Play](https://play.google.com/store/apps/details?id=com.submind.android)
- [Homepage](https://www.submind.co)

## Free browser tools
- [Free browser tools](https://www.submind.co/free-tools): all tools below run locally in your browser — files are never uploaded
- [Remove silence from audio](https://www.submind.co/audio-remove-silence): cut silence and dead air from recordings, losslessly
- [Compare silence removers](https://www.submind.co/audio-remove-silence/compare): honest comparison of Submind vs SilenceZap, SilentCut and Audacity — privacy, file limits, sign-ups and pricing
- [Remove background noise](https://www.submind.co/audio-noise-remover): AI removes fans, hum, hiss and wind while preserving speech
- [Convert video to MP3](https://www.submind.co/video-to-mp3): extract the audio track from a video file and save it as MP3
- [Compress audio](https://www.submind.co/audio-compressor): shrink MP3, WAV, M4A and more to a target bitrate; estimated size shown before download
- [Convert audio formats](https://www.submind.co/audio-converter): convert between MP3, WAV, FLAC, AAC, M4A and OGG with bitrate, sample-rate and mono/stereo control
- [Change audio speed](https://www.submind.co/audio-speed-changer): speed audio up or slow it down without changing pitch
- [Trim audio](https://www.submind.co/audio-trimmer): cut the start and end off recordings on a waveform — lossless for most formats
- [Merge audio files](https://www.submind.co/audio-merger): join multiple audio files into one, in the browser
- [Transcribe audio to text](https://www.submind.co/transcribe): transcribe recordings to text with timestamps in 7 languages
- [Record voice notes](https://www.submind.co/voice-recorder): record voice notes in the browser and download the audio — nothing stored on a server
- [Remove vocals](https://www.submind.co/vocal-remover): separate vocals from a song’s instrumental, processed locally

## Pages
- [Submind AI](https://www.submind.co/submind-ai)
- [Pricing](https://www.submind.co/pricing.md): free and Premium tiers in plain text
- [About](https://www.submind.co/about)
- [Privacy policy](https://www.submind.co/privacy)

## Contact
- Email: contact@submind.co