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141 apps · Showing 97–141
Video & Audio
141 appsVideo & Audio: Enhance
Video · EditDenoise VideoReduce low-light grain and compression noise without aggressive smoothing.Video · EditMake Video Black and WhiteCreate a neutral grayscale copy with the original soundtrack intact.Video · EditSharpen VideoImprove edge definition with a controlled unsharp filter.Video · EditStabilize VideoAnalyze camera movement, reduce shake, and keep the frame filled with a careful two-pass stabilization.
Video & Audio: Text & overlays
Video · ConvertAdd Image to VideoPlace a photo, graphic, label, or sponsor mark over a video and keep it within safe margins.Video · ConvertAdd Logo to VideoOverlay a PNG, WebP, or JPG logo with simple scale, position, and opacity controls.Video · ConvertAdd Subtitles to VideoBurn an SRT, VTT, or ASS subtitle file into the picture with readable styling.Video · ConvertAdd Text to VideoAdd readable text with placement, size, color, timing, and a subtle contrast box.Video · ConvertAdd Text Watermark to VideoPlace a restrained text watermark with exact position, size, color, and opacity.Video · EditBurn Captions into VideoMake an SRT, VTT, or ASS caption track permanent so it appears in every player.Video · ExtractExtract Subtitles from VideoExtract the first embedded subtitle track as a separate SRT file when the video contains one.
Video & Audio: Create & inspect
Video · MixCreate Audio Spectrum VideoTurn an audio file into a polished spectrum animation with the original sound attached.Video · MixCreate Audio Waveform VideoTurn an audio file into a shareable video with an animated waveform and the original sound.Video · GenerateCreate Photo SlideshowArrange up to twelve images, set the pace, and create one clean video with gentle motion.Video · AnalyzeCreate Video ThumbnailCapture a sharp JPG from an exact moment for covers, posts, and previews.Video · ExtractExtract Frames from VideoExport JPG frames at a chosen interval and download the checked set in one ZIP.Video · ConvertImage to VideoTurn a JPG, PNG, WebP, or AVIF into a playback-ready video with a gentle zoom option.Video · CheckInspect Video MetadataRead container, codec, dimensions, frame rate, duration, audio, subtitle, and tag details in one report.
Video & Audio: Convert
Video & Audio: Audio Analysis
Audio / PNG · ConvertAudio Spectrogram LabSee the frequencies in an audio file over time. Compare spectrogram settings and download charts for closer study.Audio / CSV · ConvertMusic Tempo & Beat ExplorerEstimate a recording's tempo in beats per minute. Check beat marks on its waveform and download their times.
Video & Audio: Music & Sound
ABC / SVG / MIDI · ConvertABC Notation EditorWrite ABC music notation and see the score. Listen to the tune and download ABC, SVG or MIDI files.Local sound loops · ConvertAmbient Sound MixerMix your own sound loops. Set each volume, choose which clips repeat and use a sleep timer to stop playback.Waveform / CSV / JSON · ConvertAudio Clip MarkerMark clips on an audio waveform. Set exact start and end times, listen to each section and save the timestamps.Features / Charts / CSV · ConvertAudio Feature ExplorerExplore changes in an audio recording. See charts of sound level and frequency features, then download the measured values.ABC / SVG / MIDI · ConvertFolk Tune TransposerTranspose an ABC folk tune to a new key. Preview the score, listen to the result and download the rewritten tune.Listening practice · ConvertInterval Ear TrainerPractise hearing the distance between two notes. Choose your musical intervals, listen and check your answers.Live filters / Pan / Echo · ConvertLive Audio Effects PlaygroundTry live effects on an audio file. Adjust volume, filters, left-right balance and echo while listening to the result.MIDI · ConvertMIDI Piano-Roll InspectorOpen a MIDI file and see its notes on a piano roll. Explore tracks and tempo changes, listen and export note data.MIDI · ConvertMIDI TransposerMove MIDI notes up or down in pitch. Choose tracks and note ranges while keeping timing and other MIDI events.Chapters / VTT / CSV · ConvertPodcast Chapter EditorAdd chapters to a podcast while you listen. Name each chapter, adjust its time and download the chapter list.Notation / Tap timing · ConvertRhythm Reading TrainerPractise reading and tapping musical rhythms. Listen to a pattern, tap along and see how close your timing was.Notes / Chords / JSON · ConvertScale & Chord FinderFind notes and chords in major and minor scales. See them on a keyboard and listen to each scale or chord.ABC / SVG / MIDI · ConvertSheet Music Snippet MakerMake a short piece of sheet music from notes and durations. Choose the clef, time signature and tempo, then save the score.Sound pads / Shortcuts · ConvertSoundboard BuilderMake a soundboard from your own audio clips. Name each pad, set volumes and play sounds with buttons or keyboard shortcuts.Left / Right / Both · ConvertStereo Channel TesterTest your left and right audio channels. Play a tone, adjust its pitch and run an automatic channel check.Comparative features / CSV · ConvertTimbre Comparison ToolCompare the tone and sound level of two recordings. View matching charts and download their measured differences.
Video & Audio: Music Practice
Live pitch / Hz · ConvertMicrophone Instrument TunerTune a single instrument note using your microphone. See the nearest note, frequency and cents sharp or flat with standard A4 = 440 Hz tuning.Live audio · ConvertMusic Practice MetronomePractise with a steady beat from 30 to 240 BPM. Choose quarter, eighth or sixteenth notes, adjust the volume, and follow the visual beat markers.
Video & Audio: On-Device AI
Video & Audio: Sessions & Timers
Video & Audio: Subtitles
SRT / VTT · ConvertSRT ↔ VTT ConverterConvert subtitle timestamps between SubRip and WebVTT and download the new subtitle file.CSV · ConvertSubtitle Language WorksheetTurn subtitles into a study worksheet with timestamps, original lines, and space for your translation.SRT / VTT · ConvertSubtitle Overlap CheckerFind overlapping subtitle cues and short gaps in an SRT or WebVTT file.SRT / VTT · ConvertSubtitle Reading Speed CheckerMeasure characters per second for every subtitle cue and find lines that may be too fast to read.