Choose a group by the job
Match the change you need to one group. Compress Tools handles file size, Convert Tools handles format changes, Edit Tools changes audio itself, Merge Tools joins files, Generate Tools records from a microphone, and Analyze Tools measures audio.
When the file needs a smaller size or a new format
Use Compress Tools when the file needs to take up less space. Use Convert Tools when you need a different format. Convert Tools includes Audio Format Converter for general format changes and MP4 to MP3 Converter for that specific conversion.
- Compress Tools reduces the file size of audio files locally in the browser, with no upload.
- Convert Tools changes the format of audio files and includes Audio Format Converter and MP4 to MP3 Converter.
When you need to edit, trim, or merge audio
Edit Tools covers changes inside one audio file. Merge Tools combines several audio files into one.
- Edit Tools includes Audio Cleaner, Audio Effects Editor, Audio Tag Editor, Trim Audio, and Volume Normalizer.
- Merge Tools merges audio files locally in the browser, with no upload.
When you need to record or analyze audio
Use Generate Tools when the source is your microphone. Use Analyze Tools when you need measurements from an existing audio file.
- Generate Tools records audio from your microphone in the browser and includes Audio Recorder.
- Analyze Tools measures and analyzes audio files locally in the browser, with no upload, and includes Audio Analyzer.
Typical jobs for audio file tools
To remove an unwanted section from a podcast, open Trim Audio. If the edited parts need to become one file, open Merge Audio.
When a recording needs a smaller file size, choose Compress Tools. Choose Convert Tools when another person or system needs a different format.
For an interview you want to measure, open Analyze Tools. For a new voice memo, use Generate Tools and Audio Recorder.
Choosing a starting point
Begin with the result you need: a smaller file means Compress Tools, a new format means Convert Tools, a direct change means Edit Tools, combined files mean Merge Tools, microphone recording means Generate Tools, and measurements mean Analyze Tools. Audio Tools is the audio branch of Media Tools. Open the parent category for image, video, subtitle, or font utilities.
Frequently asked questions
How do I make an audio file smaller?
Choose Compress Tools. It reduces the file size of audio files.
Which audio tool changes MP4 into MP3?
Open Convert Tools, then choose MP4 to MP3 Converter.
Can I trim and join audio files?
Yes. Edit Tools includes Trim Audio, and Merge Tools combines audio files.
Can I record audio with a microphone?
Yes. Generate Tools records audio from your microphone in the browser and includes Audio Recorder.