Video Tools
Convert, compress, trim, mute and extract audio or frames from MP4, WebM, MOV, AVI and MKV videos locally in your browser. Powered by ffmpeg.wasm — no uploads.
51 free tools
MP4 to MP3 Converter
Extract the audio from an MP4 video and save it as an MP3 online, free. Pull music or speech out of any video right in your browser — nothing is uploaded.
WebM to MP4 Converter
Convert WebM videos to MP4 online, free. Re-encode WebM to a compatible H.264 MP4 right in your browser — nothing is uploaded and your files stay private.
MOV to MP4 Converter
Convert MOV (QuickTime) videos to MP4 online, free. Turn iPhone and Mac MOV files into universal H.264 MP4 in your browser — nothing is uploaded.
AVI to MP4 Converter
Convert AVI videos to MP4 online, free. Modernise old AVI files into compact H.264 MP4 right in your browser — nothing is uploaded and files stay private.
MKV to MP4 Converter
Convert MKV videos to MP4 online, free. Turn Matroska MKV files into universally playable H.264 MP4 in your browser — nothing is uploaded.
MP4 to WebM Converter
Convert MP4 videos to WebM online, free. Create lightweight VP8 WebM files for the web right in your browser — nothing is uploaded and files stay private.
Video to MP3 Converter
Extract audio from any video and save it as MP3, free. Pull sound from MP4, MOV, WebM, MKV and more in your browser — nothing is uploaded.
MP4 to GIF Converter
Convert MP4 videos to animated GIFs online, free. Turn clips into shareable GIFs with adjustable FPS and width in your browser — nothing is uploaded.
GIF to MP4 Converter
Convert animated GIFs to MP4 online, free. Shrink heavy GIFs into small H.264 MP4 videos in your browser — nothing is uploaded and files stay private.
Compress Video
Compress video online for free to shrink file size. Reduce MP4 and other videos with adjustable quality in your browser — nothing is uploaded.
Trim Video
Trim and cut video online for free. Set start and end times to keep just the part you want, right in your browser — nothing is uploaded.
Mute Video
Mute video online for free by removing the audio track. Strip sound from MP4 and other videos in your browser — fast, and nothing is uploaded.
Resize Video
Resize video resolution online for free. Scale videos to 1080p, 720p, 480p, 360p or a custom width in your browser — nothing is uploaded.
Video Converter
Free online video converter. Convert between MP4, WebM, MKV and MOV right in your browser — pick an output format, nothing is uploaded.
MP4 to AVI Converter
Convert MP4 videos to AVI online, free. Re-encodes to MPEG-4 video with MP3 audio for older players and editors — all in your browser, nothing uploaded.
MP4 to MKV Converter
Convert MP4 to MKV instantly with zero quality loss. Streams are copied into a Matroska container, not re-encoded — free, private, in your browser.
MP4 to MOV Converter
Convert MP4 to MOV (QuickTime) online with no quality loss. Streams are remuxed, not re-encoded, so it takes seconds — private, in your browser.
FLV to MP4 Converter
Convert old Flash FLV videos to MP4 online, free. Re-encodes to H.264 + AAC so clips play on any modern device — processed locally, never uploaded.
TS to MP4 Converter
Convert TS (MPEG transport stream) files to MP4 online, free. Lossless remux fixes downloaded stream segments in seconds — local, nothing uploaded.
WebM to GIF Converter
Convert WebM videos to animated GIFs online, free. Palette-optimized encoding for sharp colors, with FPS, width and clip controls — nothing uploaded.
WebM to MP3 Converter
Extract the audio from a WebM file and save it as MP3 online, free. Choose the bitrate and convert entirely in your browser — nothing is uploaded.
Video to WAV Converter
Extract audio from any video as an uncompressed WAV file online, free. Ideal for transcription, editing and analysis — processed locally, never uploaded.
GIF Resizer
Resize animated GIFs online without losing the animation. Scales every frame with palette-optimized re-encoding — free, private, in your browser.
GIF Compressor
Compress animated GIFs online, free. Reduce frame rate, colors and dimensions — the three levers that actually shrink a GIF — with before/after sizes shown.
Extract Frame from Video
Grab a still frame from any video at an exact timestamp and save it as a lossless PNG — free, in your browser, with nothing uploaded anywhere.
Video Contact Sheet Maker
Generate a contact sheet from any video — a grid of evenly spaced thumbnails in one image. Set the interval and grid size; nothing is uploaded.
Compress Video to Target Size
Compress a video to an exact target size in MB — 8 MB, 10 MB, 25 MB and more. Bitrate is calculated from duration automatically. Nothing is uploaded.
Crop Video
Crop a video online free — cut it to 16:9, 9:16, 1:1, 4:5 or exact pixel dimensions right in your browser. Nothing is uploaded and there is no watermark.
Rotate Video
Rotate a video 90° clockwise, 90° counter-clockwise or 180° online, free. Fix sideways or upside-down phone clips in your browser — nothing is uploaded.
Flip Video
Flip a video horizontally or vertically online, free. Mirror a selfie-camera clip so text reads correctly — all in your browser, nothing uploaded.
Merge Videos (Joiner)
Merge multiple videos into one MP4 online, free. Join clips with different sizes and formats in order — processed in your browser, never uploaded.
Change Video Speed
Speed up or slow down a video from 0.25× to 4× online, free. Audio stays in sync with its pitch preserved — all in your browser, nothing uploaded.
Reverse Video
Reverse a video so it plays backwards, audio included, online and free. Great for rewind effects — processed in your browser, never uploaded.
Blur Video
Blur a whole video with gaussian or box blur, or make a blurred-background vertical version, online and free. Runs in your browser — never uploaded.
Change Video Frame Rate (FPS)
Convert a video to 24, 25, 30, 50, 60 or any custom FPS online, free. Fix frame-rate mismatches in your browser — nothing is ever uploaded.
Video Aspect Ratio Converter
Convert a video between 16:9, 9:16, 1:1 and 4:5 online free. Crop to fill or letterbox with a chosen color — right in your browser, never uploaded.
Add Audio to Video
Add music or a voice-over to a video online, free. Replace the original soundtrack or mix the new audio into it — in your browser, nothing uploaded.
Add Watermark to Video
Overlay a logo or watermark image on a video online, free. Set corner position, size and opacity — processed in your browser, nothing uploaded.
Screen Recorder
Record your screen, window or browser tab free, right from this page — optional mic voice-over, live preview, and a WebM download. Nothing is uploaded.
Video to Image Sequence
Turn a video into a numbered sequence of PNG or JPEG stills. Choose how many frames per second to sample, preview every frame and download the ones you want.
Loop Video
Repeat a video a set number of times or loop it until it reaches a target length. Shows the resulting duration before you run it, with no upload and no watermark.
Boomerang Video Maker
Turn a short clip into a boomerang that plays forwards then backwards in one loop. Pick the speed and output size, with no upload, no account and no watermark.
Video Colour Corrector
Adjust brightness, contrast, saturation, gamma, hue and sharpening on a video with labelled sliders. Runs in your browser with no upload and no watermark.
Video Fade In and Out
Fade a video in from black at the start and out at the end, with matching audio fades. The out point is worked out from the clip length for you, with no upload.
Split Video Into Parts
Cut a video into equal parts or fixed-length chunks and download each one separately. Lossless by default, with an option for exact cut points. Nothing is uploaded.
Remove Black Bars From Video
Detect and crop the letterbox or pillarbox bars around a video automatically. Samples the footage, finds the real picture area and re-encodes without the bars.
Side-by-Side Video Maker
Put two videos next to each other, stacked, or one inside the other as picture-in-picture. Choose which clip's sound to keep or mix both, all in your browser.
Photo Slideshow Video Maker
Turn photos into an MP4 slideshow with crossfades and background music. Reorder the images, set how long each is shown, and render it right in your browser.
Video Metadata Viewer
See a video's duration, resolution, frame rate, codecs, rotation flag and creation date. Reads MP4, MOV, WebM and MKV headers without uploading the file.
Video Bitrate Calculator
Work out the bitrate that fits a target file size, or the file size a bitrate produces. Includes audio budget, container overhead and recommended bitrates by resolution.
SMPTE Timecode Calculator
Convert between SMPTE timecode and frame numbers at 23.976 to 60 fps, with true drop-frame arithmetic, plus add and subtract two timecodes.