Advanced Settings (optional)
Choose how much you want to speed the file up by
You're in good company:
Zamzar has converted over 510 million files since 2006
Speed up different file types
You can use Zamzar to process a wide range of different files - just click on a format to get started:
Why speed up your WAV?
Working with lengthy WAV audio files can quickly become a challenge - whether you're reviewing hours of recorded meetings, transcribing interviews, or editing a long podcast session. Unedited audio often runs far longer than necessary, making it tedious to locate key moments or simply absorb the content efficiently. Without a way to control playback speed, you risk wasting valuable time listening through material at a pace that doesn't suit your workflow.
Zamzar lets you upload a WAV file and choose from a range of speed multipliers - 1.5X, 2X, 3X, 4X, 5X, 10X, 15X - so you can tailor the output to exactly what you need. No software to install, no technical knowledge required. The process is straightforward: upload, select your speed, and download the result.
The use cases are wide-ranging. Academics speed up recorded lectures to review material before exams. Journalists fast-track interview recordings during transcription. Podcast editors skim through raw audio to pinpoint edits. Language learners also use slower or faster playback to sharpen listening comprehension. Even forensic analysts and legal teams use speed-adjusted audio when processing large volumes of recorded evidence quickly and accurately.
Multiple File Formats
We support both well-known file formats and those that are more obscure, including file formats that are 20 years old!
No Software Required
Have access to the internet? If so, then you can convert a file with Zamzar online and without the need to download any software.
Innovation
We strive to give you the best experience we possibly can, which is why we’ve added real-time file conversion and why we’re always increasing the number of file conversions we support.
No Account Needed
If you're tired of trying to remember usernames and passwords, you'll be pleased to hear you can use Zamzar without the need for either.