14 free tools

Audio Tools

Convert, trim, compress, record, merge, and speed-change audio files — all in your browser. Supports MP3, WAV, OGG, FLAC, AAC, WMA, AIFF, and more. No uploads, no account.

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Audio Converter

Convert audio between formats.

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MP3 Compressor

Reduce MP3 file size.

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Voice Recorder

Record voice from microphone.

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Audio Trimmer

Trim audio files to exact length.

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Change Audio Speed

Speed up or slow down audio.

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Audio Joiner

Merge multiple audio files.

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Remove Background Noise

Remove noise from audio recordings.

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Text to Speech

Convert text to audio speech.

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Speech to Text

Transcribe speech to text in real time.

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Audio Volume Booster

Boost audio volume.

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AAC to MP3

Convert AAC audio to MP3.

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MP3 to AAC

Convert MP3 audio to AAC.

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WMA to MP3

Convert WMA audio to MP3.

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AIFF to MP3

Convert AIFF audio to MP3.

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Free Audio Tools — No Account Required

ToolBubble provides 14 free audio tools that run entirely in your browser. No installation, no account required, and your files never leave your device.