Free Online Audio & Video Tools
Record your screen, camera and voice, transcribe audio, edit subtitles and check that your mic, speakers, keyboard and screen work. No installs, no uploads.
Tap BPM CounterTap along to any song to find its tempoScreen RecorderRecord your screen, a window or a tab with audio, no installWebcam RecorderRecord video and take photos with your webcamVoice RecorderRecord audio from your microphone and download itTone GeneratorPlay any frequency or sweep, and download WAV test tonesNoise GeneratorWhite, pink, brown and green noise with sleep timerOnline MetronomeAccurate metronome with time signatures and tap tempoChromatic TunerTune any instrument with your microphoneSpectrum AnalyzerLive audio spectrum and spectrogram from mic or fileDecibel MeterMeasure noise levels in dB with your microphoneVideo Frame ExtractorSave stills from a video, one or hundredsSpeaker TestLeft/right, frequency sweep, bass and phase testsRefresh Rate TestCheck your monitor's Hz: 60, 120, 144, 240…What Is My Screen ResolutionScreen resolution, viewport, pixel ratio and display detailsWebcam TestCheck that your camera works, with resolution and fpsMic TestCheck your microphone with a live level meter and playback440 Hz ToneA4 concert pitch reference tone for tuningFrequency Sweep Generator20 Hz to 20 kHz sine sweep to test speakers and hearingWhite NoiseFree white noise for sleep, focus and maskingPink NoiseBalanced pink noise like steady rainBrown NoiseDeep brown noise for focus, ADHD routines and sleepGuitar TunerTune your guitar with the microphone: EADGBEUkulele TunerTune a ukulele to GCEA with your microphoneBass TunerTune a 4-string bass guitar (EADG) onlineViolin TunerTune violin strings G D A E with the microphoneAudio EffectsVolume boost, bass boost, 8D audio and vocal removerAudio Volume BoosterMake quiet MP3s and recordings louder without clippingBass BoosterBoost the bass of any song and download itVocal Remover (Karaoke)Remove vocals from songs to make karaoke tracksSubtitle EditorEdit, fix and sync SRT and VTT subtitles against your videoBPM DetectorFind the tempo (BPM) of any song from an audio fileAudiogram MakerTurn podcast or music audio into a video with an animated waveformTranscribe Audio to TextPrivate speech-to-text with Whisper, right in your browserAuto Subtitle GeneratorGenerate SRT subtitles from any video automatically, privatelyKeyboard TesterCheck every key on your keyboard worksDead Pixel TestFull-screen colours to spot dead and stuck pixelsWhite ScreenA plain full-screen white light for any deviceBlack ScreenA pure black full-screen page for any display