Free Audio Reducer — No account required

Audio Reducer — Free

Reduce your audio file size instantly. Pick a quality level and download a lighter version — no sign-up needed.

Drag & drop your audio file here

or

MP3 · WAV · M4A · AAC · OGG · FLAC · OPUS · WMA

Max file size: 2GB

How to Reduce Audio File Size

Reduce audio size in three steps. No software. No account.

01

Upload your audio

Drag & drop or browse to select any audio file up to 2GB. Supports MP3, WAV, M4A, AAC, OGG, FLAC, OPUS, and WMA.

02

Pick a quality level

Choose Low, Medium, or High. See the estimated output size before you commit. Smart defaults based on your file.

03

Reduce & download

Click Reduce File. Our servers process your audio with FFmpeg and the reduced file is ready to download in the same format.

About This Audio Reducer

Need to shrink an MP3, WAV, or FLAC file? Transgate's free audio reducer lets you compress any audio file using three quality presets — Low, Medium, and High — with no software to install. Powered by FFmpeg on our secure servers, your audio is processed securely and deleted immediately after download.

Unlike audio converters, this tool keeps your file in the same format. Upload an MP3, get back a smaller MP3. Upload a WAV, get back a smaller WAV. Perfect for reducing file sizes for email attachments, storage, or upload limits — for files up to 2GB.

Same format output

Output is always in the same format as your input. No unwanted format conversion.

Live size estimate

See the estimated output size before you process. Updates instantly as you change the quality level.

Privacy by design

Your audio is deleted immediately after download. Nothing is retained on our servers.

No account needed

Fully public. No sign-up, no login, no paywall. Ever.

Frequently Asked Questions

Everything you need to know about reducing audio file size online.

The reducer supports MP3, WAV, M4A, AAC, OGG, FLAC, OPUS, and WMA. Output is always in the same format as your uploaded file — this tool reduces file size, it does not convert formats.

No. Your file is processed in a secure temporary location and permanently deleted as soon as you download the reduced file, or automatically within 2 hours at the latest. We never store, share, or analyse your audio.

Low gives the smallest file size with noticeable quality loss. Medium gives a good balance — significantly smaller file with acceptable quality. High gives the best quality with moderate size reduction. The right choice depends on how you plan to use the audio.

Yes, especially at Low quality. The tool re-encodes your audio with a lower bitrate and sample rate. For spoken word content like podcasts or voice recordings, Low is usually fine. For music, Medium or High is recommended.

Completely free: no account, no credit card, no sign-up required. Just upload your audio, pick a quality level, and download the reduced file.