免費瀏覽器工具

Convert FLAC to MP3 free in your browser — no signup, nothing uploads. Shrink lossless audio to a shareable MP3, then transcribe it if you need text.

Convert M4A to MP3 free in your browser — no signup, nothing uploads. Turn Apple audio and voice memos into MP3, or transcribe them in one click.

Convert MKV to MP4 free in your browser — no signup, nothing uploads. Fast, private, and unlimited; then transcribe the video if you need a transcript.

Convert MOV to MP4 free in your browser — no signup, nothing uploads. Turn iPhone/QuickTime videos into shareable MP4; transcribe if you need text.

Convert WAV to MP3 free in your browser — no signup, nothing uploads. Shrink big WAV files to shareable MP3s; then transcribe if you need text.

Extract the audio from any video free, right in your browser — no signup, nothing uploads. Save as MP3 or WAV, or transcribe it in one click.

Compress an audio file free in your browser — shrink an MP3, WAV, or M4A, no signup, nothing uploads. Smaller files upload and transcribe faster.

Mute a video (remove its audio) free in your browser — no signup, nothing uploads. Strip the sound from any clip and download in seconds, no watermark.

Resize a video or change its resolution free in your browser — no signup, nothing uploads. Scale to 1080p, 720p, and more; private and unlimited.

Rotate a video 90°, 180°, or flip it — free in your browser, no signup, nothing uploads. Fix sideways phone clips and download in seconds, no watermark.

Convert SRT to VTT or VTT to SRT free in your browser — no signup, nothing uploads. Instantly switch caption formats and download, no limits.