Bass Boost

Boost low frequencies, then MP3.

Applies ffmpeg bass with gain 2–10, then MP3. Unlike Audio Low-Pass this boosts lows, not cuts highs. Unlike Audio Volume this is a bass shelf, not overall gain. First run downloads the engine.

What Bass Boost does

Applies ffmpeg bass with gain 2–10, then MP3. Unlike Audio Low-Pass this boosts lows, not cuts highs. Unlike Audio Volume this is a bass shelf, not overall gain. First run downloads the engine.

Bass Boost sits in the Audio group on purpose. It is not Treble Boost (Boost high frequencies, then MP3.) and not Audio Low-Pass (Cut high frequencies and export MP3.). Choose this page when you need Boost low frequencies, then MP3. If you stretch Bass Boost into a neighbor’s job, the result will look wrong even though the site chrome looks the same.

How to use Bass Boost

  1. Stay on this Bass Boost page (/audio/bass-audio). Do not switch to Treble Boost unless you actually want Boost high frequencies, then MP3..
  2. Add the file type Bass Boost accepts. Hint from the path: audio · bass audio. Boost low frequencies, then MP3.
  3. Set only the options that match Bass Boost. Neighbor Audio Low-Pass does something else (Cut high frequencies and export MP3.). Tool note: Applies ffmpeg bass with gain 2–10, then MP3. Unlike Audio Low-Pass this boosts lows, not cuts highs. Unlike Audio Volume this is a bass shelf, not overall gain. First run downloads the engine.
  4. Run Bass Boost in this tab. Browser memory still applies: Audio only. Bass gain 2–10. Output MP3. Max 100 MB.
  5. Download or copy the result from Bass Boost. If it is the wrong job, open Treble Boost instead.

When not to use Bass Boost

Skip Bass Boost when a neighbor tool matches better — start with Treble Boost or Audio Low-Pass — or when the description already warns the job will fail. In the tool’s own words: Applies ffmpeg bass with gain 2–10, then MP3. Unlike Audio Low-Pass this boosts lows, not cuts highs. Unlike Audio Volume this is a bass shelf, not overall gain. First run downloads the engine.

Questions about Bass Boost

What does Bass Boost do that other Audio pages on this site do not?
Applies ffmpeg bass with gain 2–10, then MP3. Unlike Audio Low-Pass this boosts lows, not cuts highs. Unlike Audio Volume this is a bass shelf, not overall gain. First run downloads the engine. Short version: Boost low frequencies, then MP3.
Does Bass Boost upload my file or text to Tool-You servers?
No. Bass Boost runs in this browser tab. Files stay on the device. Limit note: Audio only. Bass gain 2–10. Output MP3. Max 100 MB.
Should I use Treble Boost instead of Bass Boost?
Use Bass Boost when you need Boost low frequencies, then MP3. Use Treble Boost when you need Boost high frequencies, then MP3. They share a category (Audio) but not the same job.
What are the limits of Bass Boost?
Audio only. Bass gain 2–10. Output MP3. Max 100 MB. Also: Applies ffmpeg bass with gain 2–10, then MP3. Unlike Audio Low-Pass this boosts lows, not cuts highs. Unlike Audio Volume this is a bass shelf, not overall gain. First run downloads the engine.