Does Audio High-Pass upload my file or text to Tool-You servers?

No. Audio High-Pass runs in this browser tab. Files stay on the device. Limit note: Audio only. High-pass 80–800 Hz. Output MP3. Max 100 MB.

Should I use Audio Low-Pass instead of Audio High-Pass?

Use Audio High-Pass when you need Cut low frequencies and export MP3. Use Audio Low-Pass when you need Cut high frequencies and export MP3. They share a category (Audio) but not the same job.

Audio High-Pass

Cut low frequencies and export MP3.

Applies ffmpeg highpass 80–800 Hz, then MP3. Unlike Audio Volume this is a frequency cut, not overall gain. Unlike Audio Convert this does not change the container family. First run downloads the engine.

What Audio High-Pass does

Practical limit for Audio High-Pass: Audio only. High-pass 80–800 Hz. Output MP3. Max 100 MB. That is why output can differ from heavy desktop Audio software. Read the tool-specific note again: Applies ffmpeg highpass 80–800 Hz, then MP3. Unlike Audio Volume this is a frequency cut, not overall gain. Unlike Audio Convert this does not change the container family. First run downloads the engine.

How to use Audio High-Pass

Stay on this Audio High-Pass page (/audio/highpass-audio). Do not switch to Audio Low-Pass unless you actually want Cut high frequencies and export MP3..
Add the file type Audio High-Pass accepts. Hint from the path: audio · highpass audio. Cut low frequencies and export MP3.
Set only the options that match Audio High-Pass. Neighbor Audio Volume does something else (Raise or lower loudness and export MP3.). Tool note: Applies ffmpeg highpass 80–800 Hz, then MP3. Unlike Audio Volume this is a frequency cut, not overall gain. Unlike Audio Convert this does not change the container family. First run downloads the engine.
Run Audio High-Pass in this tab. Browser memory still applies: Audio only. High-pass 80–800 Hz. Output MP3. Max 100 MB.
Download or copy the result from Audio High-Pass. If it is the wrong job, open Audio Low-Pass instead.

When not to use Audio High-Pass

Skip Audio High-Pass when a neighbor tool matches better — start with Audio Low-Pass or Audio Volume — or when the description already warns the job will fail. In the tool’s own words: Applies ffmpeg highpass 80–800 Hz, then MP3. Unlike Audio Volume this is a frequency cut, not overall gain. Unlike Audio Convert this does not change the container family. First run downloads the engine.

Questions about Audio High-Pass

What does Audio High-Pass do that other Audio pages on this site do not?: Applies ffmpeg highpass 80–800 Hz, then MP3. Unlike Audio Volume this is a frequency cut, not overall gain. Unlike Audio Convert this does not change the container family. First run downloads the engine. Short version: Cut low frequencies and export MP3.
Does Audio High-Pass upload my file or text to Tool-You servers?: No. Audio High-Pass runs in this browser tab. Files stay on the device. Limit note: Audio only. High-pass 80–800 Hz. Output MP3. Max 100 MB.
Should I use Audio Low-Pass instead of Audio High-Pass?: Use Audio High-Pass when you need Cut low frequencies and export MP3. Use Audio Low-Pass when you need Cut high frequencies and export MP3. They share a category (Audio) but not the same job.
What are the limits of Audio High-Pass?: Audio only. High-pass 80–800 Hz. Output MP3. Max 100 MB. Also: Applies ffmpeg highpass 80–800 Hz, then MP3. Unlike Audio Volume this is a frequency cut, not overall gain. Unlike Audio Convert this does not change the container family. First run downloads the engine.