Free tools for video, audio and captions.

Cut a video down to the part you want. Drag the start and end on a preview, then download the section.

Split one video into several clips: by length, into equal parts, or at the exact times you type.

Fit a video into a vertical, square or landscape frame without stretching it, with bars or a blurred background.

Crop a video to 9:16, 1:1, 4:5, 16:9 or 4:3 and choose which part of the picture stays in frame.

Make a video file smaller: pick a quality level or name the size in megabytes it has to fit under.

Convert MOV, MKV, AVI, WebM, WMV and other video files into an MP4 that plays everywhere.

Convert a video to WebM (VP9 and Opus) for web pages and browsers.

Turn up to 30 seconds of a video into a looping GIF at the size and frame rate you choose.

Turn a sideways or upside-down video by 90 or 180 degrees and save it the right way up.

Mirror a video left to right, or flip it top to bottom.

Remove the sound from a video. The picture is copied untouched, so there is no quality loss.

Pull the sound out of a video as an MP3 at 128, 192, 256 or 320 kbps.

Extract a video's sound as an uncompressed 16-bit WAV file for editing.

Speed a video up or slow it down, from 0.25x to 4x, without making voices squeaky or deep.

Repeat a short clip from 2 to 20 times in one MP4.

Join several clips into one video, in the order you set, even when their sizes differ.

Replace a video's sound with your own audio file, or mix music under the original sound.

Put your logo or watermark in a corner of a video, at the size and opacity you choose.

Put a title or caption on a video: choose the position, size, color and when it shows.

Burn an SRT or WebVTT caption file into a video so the captions show on every platform.

Scrub to any frame of a video and save it as a full-resolution PNG or JPEG.

See a whole video at a glance: evenly spaced frames with timestamps on one image.

Fix a dark, flat or washed-out video with brightness, contrast and saturation sliders.

Turn a color video into black and white, high-contrast black and white, or sepia.

Blur a whole video, for backgrounds and footage that should not be readable.

Draw a box over a face, a number plate or a screen and blur, pixelate or black it out.

Play a clip of up to 60 seconds backwards, with or without its sound.

Fade a video in from black or white at the start, out at the end, or both.

Change a video to 24, 25, 30, 50 or 60 frames per second without changing its length.

See what is inside a media file: codecs, resolution, frame rate, bitrate, and the tags it carries.

Turn a podcast or song into a video by adding a cover image, with an optional moving waveform.

Turn 2 to 12 photos into an MP4 slideshow with a crossfade between them.

Turn an audio file into a video of its moving waveform or frequency bars.

Cut an audio file down to the part you want and download it in the same format.

Convert audio between MP3, WAV, M4A, FLAC and OGG, with bitrate, sample rate and mono or stereo.

Join several recordings into one file, with an optional gap or crossfade between them.

Play audio faster or slower, from 0.5x to 3x, with the pitch kept natural.

Repeat an audio clip from 2 to 50 times in one file.

Bring a recording to a standard loudness, such as -16 LUFS for podcasts, and see the measured before and after.

Reduce steady background noise such as hiss, hum and fan sound, then compare with the original.

Add a fade in, a fade out, or both to an audio file, with separate lengths.

Draw a recording's waveform as a PNG image in your color, with a transparent or solid background.

Turn up to 5 minutes of speech into text and captions, in 17 languages, ready to copy or download.

Convert caption files between SRT, WebVTT, YouTube SBV and plain text, in your browser.

Fix caption text and timing line by line, with your video playing alongside.

Move captions earlier or later, from one point onward, or stretch them to fix drift.

Fix captions that drift further out of sync as a video plays, after a frame rate change.

Check a caption file for lines that are too long, too fast, too short or overlapping, and fix them.

Combine two caption files: one after the other, or both languages on screen together.

Strip the timestamps from a caption file and get a clean, readable transcript.

Record a tab, a window or your whole screen with your voice, and save the file to your device.

Record yourself with your camera and microphone, play the take back and save it.

Record a vertical 9:16 video with your webcam for Reels, Shorts and TikTok.

Record your microphone, listen back and download the audio as WAV.

Record your screen with your camera in a corner, in one video.

Read your script from the top of the screen while your camera records you.

Read a scrolling script while you record a vertical video.

See your camera picture, its real resolution and frame rate, and your microphone level before a call or recording.

Paste a script and read it full screen at your speed, with mirror mode and keyboard control.

Resize images to exact pixels, a percentage or a platform size, one at a time or twelve together.

Convert images between JPEG, PNG and WebP without uploading them.

Make image files smaller, by quality or to a target size in kilobytes, and never larger than the original.

Put a bold headline on your image and export a YouTube thumbnail under the 2 MB limit.

Crop an image to a shape by dragging the frame over the part you want to keep.

Blur or pixelate a face, a name or a whole image before you share it.

Lay out up to 12 images on one sheet with their file names, to compare or send for review.

Find the main colors in an image and copy them as hex, RGB or CSS variables.

Work out how big a video file will be from its length and bitrate, with YouTube's recommended bitrates built in.

Work out the bitrate that makes a video fit a size limit, such as a 25 MB email attachment.

Find a missing width or height for any aspect ratio, or the ratio of any frame size.

Convert between seconds, frames and timecode, with drop-frame for 29.97 and 59.94 fps.

See how long a script takes to say out loud at a slow, normal or fast pace.

Estimate how long a file takes to upload at your connection's real upload speed.

Check whether a caption stays on screen long enough to read, against the 20 characters-a-second guideline.