Audio Merger
mediaCombine and concatenate multiple audio files into a single track.
Add two or more files to configure the merger.
🔒 This tool runs entirely in your browser. Nothing is uploaded or sent to any server.
How to Use the Audio Merger
- 1Upload your audio or video file from your computer or mobile device.
- 2Use the sliders to adjust parameters (like speed multiplier, seek trimming start/end, or video volume).
- 3Click the process button to start rendering the media file locally.
- 4Save the resulting WAV, WebM, or GIF file directly.
Why Use Our Audio Merger
Frequently Asked Questions
Q:Is it safe to trim private voice recordings here?
A:Yes, all trimming, speed changes, and merging are done client-side using the Web Audio API. Your audio files are never sent to any server.
Q:How does the Video-to-GIF converter work without uploading?
A:The tool plays the video in a hidden HTML5 video element, captures frames on a canvas at defined timestamps, and compiles them into a GIF locally using a lightweight script.
Q:Does the Voice Recorder require microphone permissions?
A:Yes, it requires browser microphone access to capture audio. The recording is saved directly to your local RAM and is never transmitted.
Q:What formats does the audio cutter export?
A:It exports to standard high-quality WAV format.
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Audio Speed Changer
Change the playback speed and pitch of audio files locally.