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Change audio playback speed without pitch shift. Free online tool to speed up or slow down sound in browser.
Audio-Werkzeuge laufen vollständig in Ihrem Browser und unterstützen MP3, WAV, OGG und mehr. Bitraten- und Abtastratenkontrollen zur Anpassung der Ausgabe.
We found that most audio tools require uploading media to remote servers. Since privacy is our core principle, we built this tool to run entirely in your browser using Web Audio API.
Ja, völlig kostenlos und ohne Anmeldung.
Ja, es funktioniert auf mobilen Browsern mit Touch-Unterstützung.
Audio
Die meisten Werkzeuge bieten Bitraten- und Abtastratenoptionen, um die Originalqualität zu erhalten oder bei Bedarf anzupassen.
ToolPure supports MP3, WAV, AAC, FLAC, OGG, and M4A formats. You can convert between any combination of these formats with customizable bitrate (64-320 kbps) and sample rate (8-48 kHz).
Yes, you can trim audio to specific start and end times, and merge multiple audio files into a single track. Merging supports up to 50 files and preserves the original sample rate.
Once the page is loaded, all audio processing runs entirely in your browser using Web Audio API and ffmpeg.wasm. No internet connection is needed after the initial page load.
🔒 Privacy: All processing happens locally in your browser. Your files and data never leave your device — no upload, no server, no tracking.