Audio & video
Trim audio, grab video thumbnails, make GIFs and fix subtitles.
15 free tools · each done in 3 steps · nothing uploaded
Audio TrimmerCut MP3, WAV, M4A and other audio on a waveform with draggable handles, add fade in/out, preview and export a WAV — all in your browser.Video TrimmerTrim a video to the part you need: set start and end on a live preview and export a WebM or MP4 clip without uploading the file.Extract Video ThumbnailsGrab JPG frames from a video every N seconds, at evenly spaced points or at exact timestamps, then download them one by one or as a ZIP.Video to GIFTurn a video clip into an animated GIF: choose start, length, frame rate, width and colours, see a size estimate, and download.GIF OptimizerMake animated GIFs smaller by reducing colours, frames and dimensions and storing only changed pixels. Preview before and after, then download.Audio ConverterConvert MP3, M4A, OGG, FLAC and more to WAV instantly, or to WebM/Opus, OGG or M4A where your browser supports it. Change sample rate and channels.Video ConverterConvert videos to WebM or MP4 in your browser, with resolution, frame rate and quality options. Shows which formats your browser can create.Audio Waveform ViewerSee the waveform of any audio file, zoom in to the detail, check peak and RMS levels, click to play and download the waveform as a PNG image.Subtitle to Text CleanerTurn SRT or VTT subtitles into clean, readable text: strip timestamps, numbers and tags, remove duplicate auto-caption lines and form paragraphs.SRT Timestamp ShifterFix out-of-sync subtitles: shift SRT or VTT timings by milliseconds, re-sync drifting subtitles from two points, or convert between frame rates.Image Sequence to GIFCombine images into an animated GIF: reorder frames, set a delay for each one, choose size and colours, and loop forever or play once.Video Aspect Ratio CalculatorFind the aspect ratio of any resolution, calculate missing width or height, and work out letterbox or pillarbox bars for 16:9, 9:16, 2.39:1 and more.Storyboard WorksheetPlan a video frame by frame: add sketches or stills, shot type, camera move, duration and dialogue, see total runtime, then print or export.Shot List GeneratorBuild a shot list with scene, shot, size, angle, movement, lens and notes. Start from interview, product or dialogue templates; export CSV or print.Video Metadata ViewerCheck a video's duration, resolution, aspect ratio, bitrate, codecs, frame rate, audio track and creation date — reading only the file header.