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Free MP3 Editor Online

Cut, split, merge, fade, and export MP3 files with a timeline built specifically for MP3 editing.

Upload an MP3 to Edit

Drop one or more MP3 files here, or import from:

Add an MP3 file to start editing.

What is an MP3 editor?

An MP3 editor changes the timing and structure of an MP3 file while keeping MP3 as the main delivery format. It is useful when the source and final file both need broad device compatibility.

Precise waveform editing and lossless frame cutting solve different problems. This page makes that choice visible instead of implying that every MP3 edit is both sample-accurate and lossless.

MP3-first workflow

Only MP3 files are accepted, MP3 is selected by default, and export settings are described in MP3 terms.

Precise edit mode

Decode the MP3 for accurate waveform edits, fades, speed, pitch, splitting, and rearranging, then encode a new MP3.

Lossless cut mode

Copy one selected MP3 range without re-encoding when a fast frame-level cut is more important than effects or sample accuracy.

Control the final sequence

Use the playhead to split, duplicate, remove, and reorder sections before downloading the result.

How to edit an MP3 file online

Cut, split, merge, fade, and export MP3 files with a timeline built specifically for MP3 editing.

  1. 1

    Upload an MP3

    Drop an MP3 into the editor or select it from your device.

  2. 2

    Choose the editing mode

    Use Precise Edit for waveform changes and fades, or Lossless Cut for a single frame-aligned extraction.

  3. 3

    Make the edit

    Set start and end points, split or arrange clips, and preview the complete MP3 sequence.

  4. 4

    Export MP3

    Render and download a new MP3 while leaving the original file unchanged.

Common MP3 editing tasks

Remove mistakes and silence

Cut false starts, long gaps, repeated phrases, or unwanted endings from an MP3 recording.

Create music clips

Extract a chorus, intro, transition, sample, or preview from a longer song.

Rearrange MP3 sections

Split a track into clips and move the useful parts into a new order.

Prepare MP3 for sharing

Create a shorter, compatible copy for messaging, websites, lessons, or review.

Precise MP3 editing vs. lossless MP3 cutting

ModeCut precisionFades and effectsMultiple clipsOutput process
Precise EditSample-level after decodingYesYesRe-encodes MP3
Lossless CutMP3 frame boundaryNoNoCopies MP3 frames

Related audio editing tools

Continue with a more focused editor or return to the complete Audio Editor for a broader timeline workflow.

Frequently Asked Questions

Can I edit an MP3 without converting it to WAV first?

Yes. The browser decodes the MP3 for editing and can export the finished result directly as MP3.

A single frame-aligned range can be copied without re-encoding. Precise edits, fades, speed changes, and rearranged clips require a new encode.

MP3 stores audio in compressed frames, so stream-copy cuts begin and end on available frame boundaries.

Yes, but the dedicated MP3 Joiner provides a simpler multi-file workflow when no detailed editing is required.

No. The editor creates a new downloadable file and does not overwrite the source.

Yes in Precise Edit mode. Fades require decoding and re-encoding the edited audio.