Change Audio Volume
Boost or reduce the volume of an audio file. Processed on our server.
Runs on our secure server — auto-deleted after processingDrag & drop files here
or click to browse — you can select several
Sent over an encrypted connection and deleted from our server right after processing.
Frequently asked questions
Is Change Audio Volume free to use?
Yes — Change Audio Volume is free to use. It runs on our servers, so the Free plan includes a daily allowance; Premium removes the limits and raises the file-size cap.
Are my files uploaded or stored anywhere?
Your file is sent over an encrypted connection, processed, and automatically deleted from our servers shortly after — typically within an hour. We never read, share or keep your documents.
Do I need to install anything or create an account?
Nothing to install — everything happens online. You'll need a free account so we can queue your job and keep your result private to you.
How do I use Change Audio Volume?
Open the tool, add your file, adjust any options, then press “Change volume”. Your result is ready to download in seconds.
Related tools
Burn Subtitles into Video
Make captions a permanent part of the video.
SRT ↔ VTT Converter
Convert subtitles between SRT and WebVTT.
Subtitle Timing Shift
Fix out-of-sync subtitles by shifting time.
Subtitles to Transcript
Strip timestamps — keep just the words.
Markdown to PDF
Turn a Markdown file into a clean PDF.
Luhn Checksum Validator
Validate test card numbers (for devs).