Audio Trimmer
Cut audio files online, set start and end points, and export a clean clip.
Try it freeConvert WebM audio from browser recordings, tab captures, meetings, or web apps into a downloadable WAV file using local browser processing.
Trim, convert, merge, record, extract, estimate, and prepare audio for transcription. No downloads and no signup required for the tools.
Cut audio files online, set start and end points, and export a clean clip.
Try it freeConvert browser-supported audio into a downloadable WAV file.
Try it freeExtract audio from browser-supported video files into a downloadable audio recording.
Try it freeCombine multiple audio files into one browser-generated WAV file.
Try it freeReduce speech audio size with a browser-side, voice-optimized export.
Try it freeChange audio speed online for free, slow audio down or speed it up, and export a rendered WAV copy.
Try it freeRecord audio directly from your microphone in the browser.
Try it freeCapture audio from another Chrome or Edge tab for videos, webinars, and browser playback.
Try it freeRecord a Chrome or Edge tab and microphone together for Meet, Zoom Web, Teams, or browser calls without an extension.
Try it freeCreate a structured meeting agenda and notes template.
Try it freeCount words and characters and estimate speaking time.
Try it freePaste text and estimate read-aloud duration.
Try it freeEstimate how long a script will be when spoken.
Try it freePrepare speech audio for transcription with a browser-side voice-focused cleanup export.
Try it freeRemove low-volume silence from speech recordings and export a shorter WAV file.
Try it freeNormalize speech audio volume in your browser and export a louder, cleaner WAV copy.
Try it freeFind quiet gaps in audio and create suggested split points for long recordings.
Try it freeClean subtitle text, normalize whitespace, and prepare SRT or VTT files for review.
Try it freeShift SRT or VTT subtitle timestamps forward or backward.
Try it freeExtract likely quotes, keywords, and useful lines from transcript text.
Try it freeConvert subtitle text between SRT, WebVTT, and plain transcript formats.
Try it freeFix subtitles that gradually drift out of sync by stretching or compressing timestamps.
Try it freeReflow SRT or VTT caption text into cleaner lines with configurable length limits.
Try it freeClean transcript text by removing timestamps, fillers, repeated spaces, and noisy formatting.
Try it freeGenerate show notes, chapters, quotes, and keywords from pasted transcript text.
Try it freeCheck audio duration, volume, clipping, silence, channels, and transcription readiness.
Try it freeExport the left or right channel from a stereo recording as a separate WAV file.
Try it freeRemove subtitle timestamps and numbering to extract readable transcript text.
Try it freeSearch timestamped transcripts and pull matching lines with nearby context.
Try it freeConvert subtitle timing between common video frame rates such as 23.976, 24, 25, 29.97, and 30 fps.
Try it freeStart free, upload the prepared recording, and get an AI transcript with searchable text, speaker labels, timestamps, summaries, and TXT, DOCX, PDF, SRT, or VTT exports.
Many browser recorders save WebM audio. Use this page to turn a browser-supported WebM recording into a WAV copy for editing, sharing, or transcription prep.
WebM audio often comes from tab capture, screen recordings, and online meeting tools. Convert it to WAV when another workflow expects a plain audio file.
The WebM file is decoded and rendered locally. When you are ready for text, use InstantTranscriber to transcribe the converted or original audio.
Yes, if your browser can decode the WebM audio. The output is a downloadable WAV file.
This converter is for audio decoding. Use the Extract Audio From Video tool for browser-supported video files.
Yes. Upload the original WebM or the converted WAV to InstantTranscriber when you need AI transcription.