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Audio & Video

Edit, assemble, record and convert audio, video and captions locally.

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41 Tools

  1. Audio & Video Sync Delay PlannerEstimate acoustic travel, electronic latency and the audio or video correction needed for lip sync and distributed sound alignment.Audio & Video
  2. Audio Compressor & Level ControllerControl audio dynamics, makeup gain and the final peak ceiling with a measured local mastering workspace.Audio & Video
  3. Audio ConverterConvert audio between MP3, WAV, M4A/AAC, OGG, Opus, FLAC and AIFF — entirely in your browser, nothing uploaded.Audio & Video
  4. Audio Merger & Sequence BuilderArrange, gain-stage, crossfade and combine browser-decodable audio clips into one local WAV and cue sheet.Audio & Video
  5. Audio Speed & Pitch ChangerChange audio tempo and musical pitch independently or use linked tape-style varispeed, then audition and export a local WAV.Audio & Video
  6. Audio Trimmer & Waveform EditorTrim audio, remove long pauses with adjustable silence detection, preview edits, apply fades and export WAV audio with edit records.Audio & Video
  7. AV Bars & Tone StudioGenerate broadcast-style color bars, grayscale, PLUGE, grid and full-field signals with level-controlled digital reference tones, fullscreen, pop-out and local exports.Audio & Video
  8. AV Cable Conduit Fill & Jam-Ratio CalculatorBuild a mixed cable schedule, compare material-specific pathway sizes, enforce future reserve and screen three-cable jam geometry.Audio & Video
  9. AV Rack Heat Load, Cooling & Airflow CalculatorConvert an equipment schedule and room loads into altitude-corrected sensible cooling, airflow, heat density and N+1 checks.Audio & Video
  10. AV UPS Sizing, Runtime & Redundancy CalculatorSize UPS VA, watts and ideal battery energy from a load schedule, then test N, N+1, 2N or 2N+1 failure scenarios.Audio & Video
  11. Edit Decision List InspectorInspect CMX-style EDL events, reels, source and record durations with frame-rate checks.Audio & Video
  12. GIF To MP4 ConverterConvert animated GIFs into H.264 MP4 with repeat, speed, frame-rate, size, quality and transparency-background controls.Audio & Video
  13. Mute Video & Silent Clip MakerRemove every audio track, trim the range, resize and locally render a new silent WebM with an edit manifest.Audio & Video
  14. Online Voice RecorderRecord, review and download microphone audio entirely in the browser.Audio & Video
  15. Podcast Loudness & LUFS StudioEstimate program loudness, sample peak, range and crest factor locally, compare podcast/streaming/broadcast targets and render a normalized WAV.Audio & Video
  16. Post-Production Deliverables & QC TrackerControl post stages, versioned delivery assets, timecode QC notes, checksums and 3-2-1 archive handoff in one local workspace.Audio & Video
  17. Screen RecorderRecord a screen, window or browser tab with optional microphone and shared audio, then preview and download the recording locally.Audio & Video
  18. Shot List & Storyboard StudioPlan scenes and shots with reference frames, camera language, timing, status, reordering and production-ready exports.Audio & Video
  19. Simple TeleprompterImport Word, PDF, caption or text scripts, format selected passages with a rich toolbar, and run synchronized fullscreen or mirrored pop-out output.Audio & Video
  20. SMPTE Timecode Calculator & Drop-Frame ConverterInspect, offset, compare and convert SMPTE-style timecodes across common drop-frame and non-drop frame rates.Audio & Video
  21. Social Media Video Safe-Zone StudioPreview platform UI with your creator logo, compare placements, reframe creative, check important content and export guides or a CSV report.Audio & Video
  22. Song Key & BPM FinderAnalyze one or more audio files locally to estimate primary key, alternate key, Camelot code and BPM.Audio & Video
  23. Speech Cleanup StudioLearn a noise-only sample, reduce steady background noise, compare synchronized before/after playback and export WAV.Audio & Video
  24. SSML Speech Markup GeneratorCreate escaped SSML with speech rate, pitch, emphasis, pronunciation modes and pauses between lines.Audio & Video
  25. Subtitle Burn-In & Caption Safe-Zone StudioPreview, edit and style SRT/WebVTT captions over local video, inspect title-safe placement, export SRT and record a captioned WebM.Audio & Video
  26. Subtitle Converter & Caption File MakerTranscribe audio or video locally, review editable cues, and convert captions to SRT, WebVTT, SBV or document formats.Audio & Video
  27. Teleprompter ProA full prompting studio with run-of-show navigation, target-runtime pacing, optional cue stops, voice follow, recording and remote output.Audio & Video
  28. Text to Speech ReaderType or paste text and have it read aloud in a natural voice — pick the voice, speed and pitch. Free and private.Audio & Video
  29. Video Assembly & Effects StudioMerge clips, make photo slideshows, reverse or loop videos, mix music, adjust colors and add watermarks or chroma-key backgrounds locally.Audio & Video
  30. Video Audio Extractor & Media Demux StudioExtract and trim the primary audio track from video or media into MP3, WAV, M4A/AAC or FLAC with local FFmpeg processing.Audio & Video
  31. Video CompressorCompress video locally with quality or approximate-size targets, MP4 or WebM output, resolution and audio controls, and an export receipt.Audio & Video
  32. Video CropperCrop video to exact even-pixel coordinates or centered social, widescreen, portrait and cinema aspect presets.Audio & Video
  33. Video Formats & Data Rate CalculatorRecording data rates and card-fill times for ProRes, ProRes RAW, ARRIRAW, REDCODE R3D, Blackmagic BRAW, Sony XAVC & X-OCN, Canon RAW, DNx, H.264/H.265 — any resolution and frame rate.Audio & Video
  34. Video Frame Extractor & Contact Sheet MakerExtract exact, evenly spaced, interval or ranged video frames locally, then build a selected-frame ZIP, contact sheet and timestamp manifest.Audio & Video
  35. Video Production CalculatorOne flow for a whole shoot — camera + lens + aperture + codec + resolution give you field of view, depth of field, storage, card count and offload time together.Audio & Video
  36. Video ResizerResize video to exact delivery canvases with aspect-safe Fit or Fill behavior, padding color, audio and quality controls.Audio & Video
  37. Video RotatorBake quarter-turn rotation and horizontal or vertical flips into video pixels while clearing stale rotation metadata.Audio & Video
  38. Video Script TimerEstimate, rehearse and read scripts for podcasts, YouTube, television, documentaries, films, commercials and presentations.Audio & Video
  39. Video Speed ChangerRetime video from 0.25× to 4× with predicted duration and optional pitch-preserving primary audio.Audio & Video
  40. Video To GIF Converter & GIF EditorReframe, retime and caption video, tune GIF color and loops, then encode a real GIF89a locally with reusable settings.Audio & Video
  41. Video TrimmerSet video in and out points, compare accurate re-encoding with fast keyframe cuts, retain or remove audio, and export locally.Audio & Video