Video & audio tools

About these tools

All 88 tools in this section are free, work in your browser on any device, and need no sign-up.

• Video converter: Convert between MP4, MOV, MKV, WEBM and AVI.
• Video to GIF: Turn a video clip into an animated GIF: pick the part (up to 60 seconds), size and smoothness.
• Video trimmer: Cut a clip out of a video. Instant and lossless, or frame-exact. MP4, MOV, MKV, WEBM.
• Mute video: Remove the sound from a video in seconds, with no quality loss.
• Video speed changer: Make a video faster (time-lapse) or slower (slow motion), from 0.25× to 4×.
• Add subtitles to video: Put an SRT or VTT subtitle file into a video: switchable, or burned into the picture (Arabic supported).
• MOV to MP4: Convert iPhone and QuickTime videos to MP4.
• GIF to MP4: Turn an animated GIF into a much smaller MP4 video.
• Resize video: Change the resolution (4K, 1080p, 720p…) or make it vertical for TikTok/Reels or square. Scale, shrink.
• Compress video to a size: Shrink a video to fit 8, 16, 25 or 100 MB, for WhatsApp, email and Discord.
• Rotate or flip video: Turn a sideways video upright (90°, 180°) or mirror it.
• Crop video: Crop a video to vertical 9:16, square 1:1, 4:5 or any area.
• Add logo to video: Put your logo or watermark on a video, in any corner, with transparency.
• Join videos: Merge several video clips into one, in the order you choose. Different sizes are fitted automatically.
• Add music to video: Put background music under a video, mixed with its own sound, with a fade at the end.
• Replace audio in video: Swap a video's sound for another audio track or voice-over.
• Mute part of a video: Silence or bleep one part of a video, like a swear word or a private name.
• Boomerang video maker: Turn a short clip into a back-and-forth Boomerang loop.
• Loop video or audio: Repeat a video, song or sound 2 to 50 times in one file.
• Audiogram maker: Turn a podcast clip or song into a video with your picture and a moving sound wave.
• Video frame extractor: Save frames from a video every few seconds as JPG or PNG images (ZIP).
• SRT subtitle editor: Edit subtitles, fix timing that's out of sync, and save as SRT or VTT.
• SRT to VTT converter: Convert subtitles between SRT and WebVTT (both ways).
• Aspect ratio calculator: Find the ratio of any size, the missing width or height, and crop sizes for 16:9, 9:16, 4:5 and more.
• Vertical video with blurred background: Fit any video into 9:16 for TikTok, Reels and Shorts, with a blurred copy filling the sides.
• Split video into parts: Cut a long video into equal parts, like 30 seconds for WhatsApp status or 60 seconds for Stories.
• Photo slideshow maker: Turn photos into a video slideshow with transitions and your own music.
• Video stabilizer: Smooth out shaky phone videos automatically.
• Remove black bars from video: Find and crop off black bars (letterbox) around a video automatically.
• Video brightness and colour filters: Brighten a dark video, boost colours, or give it a warm, cinematic or black-and-white look.
• Add text to video: Put a title or caption on a video, anywhere and for any part of it. Arabic supported.
• Blur part of a video: Hide a face, number plate or screen area in a video with a blur box.
• Reverse video: Play a video backwards (sound too), up to 60 seconds.
• Side-by-side and picture-in-picture video: Put two videos next to each other, on top of each other, or one small in a corner.
• Video thumbnail grid (contact sheet): Make one picture showing frames from across a video, with timestamps.
• Change video frame rate: Convert a video to 24, 25, 30 or 60 fps, with optional smooth motion interpolation.
• Extract subtitles from video: Save the subtitle tracks inside an MKV or MP4 file as SRT, VTT or ASS.
• Timelapse maker: Turn a series of photos into a timelapse video (sorted by file name).
• Photo to video (Ken Burns zoom): Turn a still photo into a short video that slowly zooms or pans.
• Green screen video background remover: Cut out a green or blue screen: get a transparent video, a plain colour, or put your own picture or video behind you.
• Screen recorder: Record your screen, a window or a browser tab with your voice, free and without installing anything.
• Webcam test: Check that your camera works and see its resolution, frame rate and picture, and take a photo.
• Video info (media info): Resolution, codec, frame rate, bitrate, HDR and audio of any video or audio file.
• Video bitrate and file size calculator: Find the video bitrate for a target file size, or the file size for a bitrate and length.
• Audio converter: Convert between MP3, WAV, M4A, AAC, OGG, OPUS, FLAC and AIFF.
• Video to MP3: Extract the sound from a video as an MP3.
• WAV to MP3: Convert WAV audio to MP3.
• Audio trimmer: Cut a part out of an MP3, WAV, M4A or any audio. Pick it on the waveform; no quality loss. Ringtone maker.
• Audio merger: Join several audio files into one, in the order you choose, with an optional crossfade.
• Audio volume changer: Make audio louder or quieter, or normalize it to the loudness YouTube, Spotify and podcasts use.
• Audio speed changer: Speed up or slow down audio (0.5× to 2×), keeping the voice natural.
• Audio reverser: Play audio backwards. Reverse any song, voice note or sound effect.
• Audio silence detector & remover: Find the silent parts of a recording and cut them out. Great for podcasts, lectures and voice notes.
• Change audio pitch: Make a voice or song higher or lower without changing its speed (key changer).
• Vocal remover (karaoke): Remove the singing from a stereo song to make a karaoke track, or keep mostly the voice.
• Fade audio in and out: Add a smooth fade-in at the start and fade-out at the end of a song or recording.
• Stereo to mono and channel tools: Make audio mono, keep only the left or right channel, swap or split channels.
• Change audio sample rate and bitrate: Convert audio to 44.1 kHz, 48 kHz, 16 kHz or another sample rate, and set the MP3 bitrate.
• Audio waveform generator: Turn a song or podcast into a waveform image (PNG or SVG) in any color and style.
• Audio metadata & duration viewer: See the tags, length, bitrate and quality of audio files, and the total duration of many files.
• MP3 tag editor: Edit an MP3's title, artist, album, year, track, genre and cover art. Arabic supported.
• Bass booster and equalizer: Boost the bass or treble, make voices clearer, or give audio a phone or radio sound.
• Add echo or reverb to audio: Make a voice or song sound like it's in a room, hall, church or canyon.
• Remove background noise: Reduce hiss, fan and hum noise in voice recordings and videos.
• Spectrogram generator: See the frequencies of a sound or song over time as a spectrogram image.
• iPhone ringtone maker (M4R): Make an iPhone ringtone from any song: pick up to 40 seconds and download an .m4r file.
• Split audio into parts: Cut long recordings into equal parts, or into tracks at the silent gaps.
• 8D audio maker: Make a song swirl around your head (the '8D' effect): slow, medium or fast, with optional room echo. Use headphones.
• Online voice recorder: Record your voice or any sound from the microphone, then download it as WebM, M4A or WAV.
• Microphone test: Check that your microphone works, see its level live and hear yourself played back.
• Tap tempo (BPM counter): Tap along to a song to find its beats per minute, with note lengths in milliseconds.
• Tone generator: Play any frequency from 20 Hz to 20 kHz: sine, square and more. Test speakers and hearing, or download a WAV.
• Online metronome: A steady, accurate metronome from 20 to 300 BPM with accents, time signatures and tap tempo.
• Instrument tuner: Tune a guitar, ukulele, bass, violin or oud with your microphone: note, cents and a needle.
• Decibel meter (noise level): Measure how loud a place is with your microphone, with the average and loudest level.
• Online piano: A piano keyboard you can play with the mouse, touch or computer keys.
• Drum machine: Make a 16-step beat with kick, snare, hats and clap, then export it as a WAV loop.
• Silent audio generator: Make a silent WAV of any length for editing, spacing or placeholders.
• Speaker and headphone test: Check left and right, bass, sweep, noise and phase on your speakers or headphones.
• Binaural beats generator: Binaural beats for focus, relaxation and sleep, to play or download.
• Ear training: Learn to recognise intervals and chords by ear, with a score.
• Chord transposer: Change the key of a song's chords, with capo help, keeping the chord sheet layout.
• Guitar chord diagrams: See finger positions for any guitar chord and download a chord chart.
• Scale and key finder: Find the key from your notes, or see any scale with its notes and chords.
• Circle of fifths: An interactive circle of fifths with key signatures, related keys and chords you can play.
• Note frequency chart: Every note's frequency in Hz, MIDI number and wavelength, with a tone to play.
• BPM to delay time calculator: Delay and reverb times in milliseconds for any tempo, in straight, dotted and triplet notes.
• Online hearing test: Play test tones from 125 Hz to 20 kHz in each ear and find the highest pitch you can hear, with what it usually means for your age.