Audio converter

Audio. Processing stays in your browser. The media engine downloads once (about 31 MB). Large files can be slow or exceed device memory; start with short clips.

Convert

Audio converterAudio converter. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.WAV to MP3WAV to MP3 converter. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.MP3 to WAVMP3 to WAV converter. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.M4A to MP3M4A to MP3 converter. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.MP3 to M4AMP3 to M4A converter. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.OGG to MP3OGG to MP3 converter. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.FLAC to MP3FLAC to MP3 converter. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.MP3 to FLACMP3 to FLAC converter. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.AAC to MP3AAC to MP3 converter. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.WMA to MP3WMA to MP3 converter. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.OPUS to MP3OPUS to MP3 converter. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.AIFF to MP3AIFF to MP3 converter. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.MP3 to OGGMP3 to OGG converter. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.MP3 to OPUSMP3 to OPUS converter. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.MP3 to AACMP3 to AAC converter. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.MP3 to AIFFMP3 to AIFF converter. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.

Optimize

Audio compressorAudio compressor. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.

Edit

Audio trimmerAudio trimmer. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.Audio volumeAudio volume. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.Audio speedAudio speed. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.Merge audioMerge audio. Free, no account needed. Processed locally in your browser. No watermark added by QuickConvertOnline.

Re-encoding may change quality and file size. Lossless audio output cannot restore quality lost in the source. No watermark is added.

Choose up to 20 files, each smaller than 2 GB. Browser memory still limits output size.

Frequently asked questions

Is Audio free?

Yes. No account or payment is required.

Is my input uploaded?

Tools run in your browser. Files, text and results are not uploaded to our servers and are cleared when you leave the tool.

How to use Audio

Choose or drop your media files. Select the output format and adjust the settings. Time values are in seconds; an end time of 0 uses the full remaining length. Select Convert. Keep this tab open while the browser processes the queue. Cancel stops the current job. Preview and download each result. For several results, use Download ZIP; large batches are divided into ZIP groups.