音频、视频与文件
音频、视频与文件：34 款免费工具。比较任务、阅读说明并选择工具。无需账户。
Convert, trim and organize audio, video, subtitles and archives. Read the supported format and size limits before selecting files. Browser media processing can take time and memory; conversion settings affect file size and output quality.
选择工具 34
MP4 to MP3
Extract an MP3 audio track from a video.
音频、视频与文件Video to GIF
Turn a short video segment into an animated GIF.
音频、视频与文件GIF to MP4
Convert a GIF animation into an MP4 video.
音频、视频与文件GIF compressor
Reduce GIF dimensions, frame rate and palette size.
音频、视频与文件GIF maker
Build an animation from your image frames.
音频、视频与文件Video compressor
Reduce a video’s dimensions and encoding size.
音频、视频与文件Video trimmer
Save a selected segment of a video.
音频、视频与文件Audio trimmer
Save a selected segment of an audio recording.
音频、视频与文件MP3 to WAV
Decode MP3 into an uncompressed WAV file.
音频、视频与文件WAV to MP3
Encode WAV audio into a smaller MP3.
音频、视频与文件Audio volume normalizer
Estimate and adjust audio loudness.
音频、视频与文件Text to speech
Read text aloud with your browser’s speech service.
音频、视频与文件Speech to text
Transcribe speech with a supported browser service.
音频、视频与文件Subtitle SRT VTT converter
Convert subtitle cues between SRT and WebVTT.
音频、视频与文件ZIP creator
Package your files into a ZIP archive.
音频、视频与文件ZIP extractor
Inspect and extract a bounded ZIP archive.
音频、视频与文件File type detector
Compare a file’s reported type and header signature.
音频、视频与文件Batch file renamer
Download renamed copies of files in a ZIP.
音频、视频与文件CSV to Excel
Turn parsed CSV rows into an Excel workbook.
音频、视频与文件Excel to CSV
Export one workbook sheet as CSV.
音频、视频与文件JSON to XML
Convert JSON with explicit root and array element rules.
音频、视频与文件Video background remover
Replace a short video background frame by frame.
音频、视频与文件Video watermark remover
Inpaint a fixed rectangular area in a short video.
音频、视频与文件Automatic subtitle generator
Transcribe speech to timestamped SRT or WebVTT subtitles.
音频、视频与文件Burn subtitles into video
Transcribe and burn subtitle overlays into a video.
音频、视频与文件Word-highlight subtitles
Burn word-by-word highlighted subtitles into a short video.
音频、视频与文件Subtitle translator
Translate subtitle text while preserving its timestamps.
音频、视频与文件Speaker-labelled transcript
Label transcript segments using a configured diarization model.
音频、视频与文件Speech noise remover
Reduce background noise with local audio filters.
音频、视频与文件Speech silence remover
Cut silent intervals with adjustable pause padding.
音频、视频与文件Transcript chapter maker
Create timestamped sections from a local speech transcript.
音频、视频与文件Meeting notes from audio
Export a timestamped transcript and extract action candidates.
音频、视频与文件Offline neural text-to-speech
Synthesize English speech with a local Supertonic voice.
音频、视频与文件Subtitle timing editor
Shift subtitle timing and flag overlapping cues.
音频、视频与文件