Audio Tools

Explore free audio tools to cut, convert, and edit audio files. Perfect for musicians, podcasters, and anyone working with audio. Works instantly in your browser.

content_cut

Audio Cutter

Cut

Trim MP3, WAV, and M4A audio files online. Set start and end time, preview before cutting, download instantly. 100% private — nothing uploaded.

Trim audio Preview before cut 100% private
Open tool →
audio_file

M4A to MP3 Converter

Convert

Convert M4A and iPhone voice memos to MP3 online. Choose your quality (128, 192, 320 kbps). Secure server-side conversion with instant download.

M4A to MP3 Voice memos Quality options
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audio_file

WAV to MP3 Converter

Convert

Convert WAV to MP3 instantly. Choose 128, 192, or 320 kbps quality. Files under 10 MB convert privately in your browser — nothing uploaded.

WAV to MP3 Quality options Browser-based
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tune

MP3 Bitrate Recommender

Recommend

Not sure whether to use 128, 192, or 320 kbps? Answer 3 quick questions and get a personalised bitrate recommendation for your exact use case.

Music, podcast, video Instant answer No upload needed
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merge

Audio Merger

Edit

Combine multiple audio files into one continuous track. Reorder files, preview, and download the merged result as WAV.

Combine files Reorder tracks Download WAV
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volume_up

Volume Booster

Enhance

Increase audio volume by up to 5x. Real-time preview with adjustable gain before downloading the boosted file.

Up to 5x boost Real-time preview Download WAV
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speed

Speed Changer

Enhance

Speed up or slow down audio files from 0.25x to 3x. Real-time preview with duration display before downloading.

0.25x to 3x Real-time preview Download WAV
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About DozyTools Audio

DozyTools Audio is a collection of free browser-based audio tools for recording, editing, converting, and enhancing audio files.

Our Cut & Edit tools include Audio Cutter for trimming and Audio Merger for combining files. Enhance tools include Volume Booster and Speed Changer. The Convert section offers M4A to MP3 and WAV to MP3 converters.

All tools work instantly in your browser with no signup required. Your audio files stay private — nothing is stored or sent to any server.