# Online Audio Tools

> Record, trim and convert audio, plus metronome, synthesizer and signal generator. Free audio tools in your browser, no upload.

Record a voice memo, trim an MP3 or play a test tone for your speakers. You do not need audio software for that, the browser is enough.

## Tools in this category

- [Audio Recorder & Frequency Meter](https://pockettoolbox.org/en/audio-recorder): Microphone recording with live spectrum analyzer, VU peak meter, pause/resume, and export to WAV, MP3, or WebM.
- [Audio Trimmer](https://pockettoolbox.org/en/audio-trimmer): Trim audio files easily in your browser. Visualize the waveform and export the selection as WAV or MP3.
- [Metronome](https://pockettoolbox.org/en/metronome): A precise metronome with different time signatures and visual display.
- [MIDI Viewer](https://pockettoolbox.org/en/midi-viewer): Read MIDI signals from your connected input device/keyboard in real-time.
- [Morse Code Audio Translator](https://pockettoolbox.org/en/morse-translator): Translate text to Morse code, play the audio signals, and visualize them with a flashing signal lamp.
- [Signal Generator](https://pockettoolbox.org/en/signal-generator): Generate various test tones and frequencies (Sine, Square, Noise).
- [Synthesizer](https://pockettoolbox.org/en/synthesizer): Modular software synthesizer with oscillators, filter, ADSR faders, LFO, effects, MIDI, and keyboard.

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PocketToolbox (https://pockettoolbox.org/en)