是的 : free accounts process audio up to 200 MB per file whichever codec you brought; ffmpeg handles the decode and encode 。 实际上, 限制只咬未压缩的 WAV; 同一长度的压缩文件离它很近 。
Will Audio Cutter lower the quality of my audio files?
此网站的转换器将图像从WebP、PNG、JPG和AVIF移动到WebP、PNG、JPG和AVIF, 也就是您决定是否值得丢失一个较小的文件。 Doing it in that order matters: pick the pixels first and the container afterwards, because the container is the cheap decision and the pixels are the expensive one.