Audio Converter
Convert audio between formats.
Audio Utilities · 14 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.
Convert audio between formats.
Reduce MP3 file size.
Record voice from microphone.
Trim audio files to exact length.
Speed up or slow down audio.
Merge multiple audio files.
Remove noise from audio recordings.
Convert text to audio speech.
Transcribe speech to text in real time.
Boost audio volume.
Convert AAC audio to MP3.
Convert MP3 audio to AAC.
Convert WMA audio to MP3.
Convert AIFF audio to MP3.
ToolBubble (Tool Bubble) provides 14 free audio tools. Popular choices include Audio Converter, MP3 Compressor, Voice Recorder, Audio Trimmer and Change Audio Speed.
Yes. All 14 audio tools on ToolBubble (also known as Tool Bubble) are free to use, with no signup, no watermark and no installation.
ToolBubble's audio tools include Audio Converter, MP3 Compressor, Voice Recorder, Audio Trimmer, Change Audio Speed, Audio Joiner and more. Each tool has its own page with step-by-step instructions.
No. Every tool runs in a modern web browser on Windows, macOS, Linux, Android and iOS. Open the tool page and start straight away.
No account is required. You can optionally sign in to save files to the cloud or pin your favourite tools, but every tool works without one.
Tell us what you’re trying to do. Many ToolBubble tools started as a request from someone like you.