音訊、影片與檔案
音訊、影片與檔案：34 款免費工具。比較任務、閱讀說明並選擇工具。無需帳號。
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.
選擇工具 34
MP4 to MP3
Extract an MP3 audio track from a video.
音訊、影片與檔案Video to GIF
Turn a short video segment into an animated GIF.
音訊、影片與檔案GIF to MP4
Convert a GIF animation into an MP4 video.
音訊、影片與檔案GIF compressor
Reduce GIF dimensions, frame rate and palette size.
音訊、影片與檔案GIF maker
Build an animation from your image frames.
音訊、影片與檔案Video compressor
Reduce a video’s dimensions and encoding size.
音訊、影片與檔案Video trimmer
Save a selected segment of a video.
音訊、影片與檔案Audio trimmer
Save a selected segment of an audio recording.
音訊、影片與檔案MP3 to WAV
Decode MP3 into an uncompressed WAV file.
音訊、影片與檔案WAV to MP3
Encode WAV audio into a smaller MP3.
音訊、影片與檔案Audio volume normalizer
Estimate and adjust audio loudness.
音訊、影片與檔案Text to speech
Read text aloud with your browser’s speech service.
音訊、影片與檔案Speech to text
Transcribe speech with a supported browser service.
音訊、影片與檔案Subtitle SRT VTT converter
Convert subtitle cues between SRT and WebVTT.
音訊、影片與檔案ZIP creator
Package your files into a ZIP archive.
音訊、影片與檔案ZIP extractor
Inspect and extract a bounded ZIP archive.
音訊、影片與檔案File type detector
Compare a file’s reported type and header signature.
音訊、影片與檔案Batch file renamer
Download renamed copies of files in a ZIP.
音訊、影片與檔案CSV to Excel
Turn parsed CSV rows into an Excel workbook.
音訊、影片與檔案Excel to CSV
Export one workbook sheet as CSV.
音訊、影片與檔案JSON to XML
Convert JSON with explicit root and array element rules.
音訊、影片與檔案Video background remover
Replace a short video background frame by frame.
音訊、影片與檔案Video watermark remover
Inpaint a fixed rectangular area in a short video.
音訊、影片與檔案Automatic subtitle generator
Transcribe speech to timestamped SRT or WebVTT subtitles.
音訊、影片與檔案Burn subtitles into video
Transcribe and burn subtitle overlays into a video.
音訊、影片與檔案Word-highlight subtitles
Burn word-by-word highlighted subtitles into a short video.
音訊、影片與檔案Subtitle translator
Translate subtitle text while preserving its timestamps.
音訊、影片與檔案Speaker-labelled transcript
Label transcript segments using a configured diarization model.
音訊、影片與檔案Speech noise remover
Reduce background noise with local audio filters.
音訊、影片與檔案Speech silence remover
Cut silent intervals with adjustable pause padding.
音訊、影片與檔案Transcript chapter maker
Create timestamped sections from a local speech transcript.
音訊、影片與檔案Meeting notes from audio
Export a timestamped transcript and extract action candidates.
音訊、影片與檔案Offline neural text-to-speech
Synthesize English speech with a local Supertonic voice.
音訊、影片與檔案Subtitle timing editor
Shift subtitle timing and flag overlapping cues.
音訊、影片與檔案