Cut an MP3 online
Choose precise start and end times and export a shorter MP3.
Free Online Audio Tools — Cut, Merge, Compress and Convert Audio
Cut MP3 files, merge and compress audio, change speed or volume, record sound and convert WAV, M4A, FLAC and OGG locally without uploading files.
Popular audio processing tasks
Edit, convert, record and visualize audio directly on your device with browser-local processing.
Merge audio files
Join several clips in the selected order and create one MP3.
Compress an audio file
Choose an MP3 bitrate to reduce the output file size.
Convert audio to MP3
Convert common WAV, M4A, FLAC and OGG files to MP3.
Inspect, record and visualize
Check audio properties, record a microphone and create waveform artwork.
Audio Metadata Viewer — Duration, Format and Sample Rate
View audio duration, file size, format, sample rate and channel information locally.
Open tool →Online Voice Recorder — Record Microphone Audio
Record microphone audio in your browser, preview it and download the recording locally.
Open tool →Audio Waveform Generator — Export a PNG Waveform
Visualize a local audio file and export its waveform as a PNG image.
Open tool →Cut, merge and create ringtones
Select useful sections, join clips and prepare short ringtone files.
MP3 Cutter — Trim Audio Online
Select a start and end time to cut an MP3 locally without uploading it.
Open tool →Audio Merger — Join Audio Files Online
Combine multiple audio files in order and download one MP3 locally.
Open tool →Ringtone Maker — Cut MP3 or M4A Audio
Cut a short ringtone from an audio file and export it as MP3 locally.
Open tool →Adjust sound and playback
Change speed, loudness, fades and channel layout with local processing.
Change Audio Speed — Speed Up or Slow Down
Change audio playback speed from 0.5× to 2× while preserving pitch as closely as possible.
Open tool →Audio Volume Changer — Make Audio Louder or Quieter
Adjust audio volume locally and export a new MP3 file.
Open tool →Audio Fade In and Fade Out Tool
Add configurable fade-in and fade-out effects to audio locally.
Open tool →Audio Channel Converter — Mono, Stereo, Left and Right
Convert audio between mono and stereo or keep only the left or right channel.
Open tool →Convert and compress audio
Convert common audio formats to MP3 or WAV and reduce file size.
Audio Compressor — Reduce Audio File Size
Compress audio to MP3 with selectable bitrate entirely in your browser.
Open tool →Audio to MP3 Converter — Convert Audio Locally
Convert supported WAV, M4A, FLAC, OGG and other audio files to MP3 locally.
Open tool →WAV to MP3 Converter Online
Convert uncompressed WAV audio to a smaller MP3 file in your browser.
Open tool →M4A to MP3 Converter Online
Convert M4A or AAC audio to MP3 locally for broader compatibility.
Open tool →MP3 to WAV Converter Online
Decode MP3 audio and export an uncompressed PCM WAV copy locally.
Open tool →FLAC to MP3 Converter Online
Convert lossless FLAC audio to a shareable MP3 file locally.
Open tool →OGG to MP3 Converter Online
Convert OGG or OGA audio to MP3 entirely in your browser.
Open tool →Extract audio from video
When the source is a video, use the existing extraction tool to save its soundtrack as MP3 or WAV.
Open video audio extractor →Local processing and privacy
Audio files are read and processed directly in your browser and are not uploaded to Tools12345. Conversion and effects load the local processing core on demand and can use device CPU and memory.