Video Tools

Video Tools

Compress, convert, resize, rotate, merge, mute, create GIFs, extract audio, and inspect metadata locally in your browser.

CMPCompress VideoReduce video file size with quality presets and MP4, WebM, MOV, AVI, or MKV output.→GIFVideo to GIFConvert a selected video range to an animated GIF.→EXTExtract Audio from VideoExtract a video's audio track as MP3, WAV, or M4A.→SIZEResize VideoChange video dimensions with aspect-ratio controls.→ROTRotate VideoRotate video 90, 180, or 270 degrees and export MP4, WebM, MOV, AVI, or MKV.→VIDConvert Video FormatConvert video files to MP4, WebM, MOV, AVI, or MKV.→MERGMerge VideosMerge multiple videos in order, with optional FFmpeg xfade transitions.→STKAdd Sticker to VideoUpload an image sticker and place it on a video before exporting.→TXTText Watermark VideoAdd a custom text watermark to a video with position and font controls.→SUBAdd Subtitles to VideoCreate timed subtitles and burn them in with drawtext or styled ASS subtitles.→FLIPMirror VideoFlip a video horizontally, vertically, or both ways.→FXVideo FiltersApply common looks such as grayscale, sepia, vintage, warm, cool, blur, and sharpen.→BGMAdd Background Music to VideoChoose an audio file, set its volume, and add it as looping background music to a video.→VOAdd Voiceover to VideoChoose a voiceover audio file, set its volume, and add it to a video.→SPDChange Video SpeedSpeed up or slow down video with pitch-preserved audio.→MUTEMute VideoRemove the audio track from a video while retaining video.→METAVideo Metadata ViewerInspect duration, dimensions, codecs, bitrate, streams, and container details.→TRIMVideo TrimmerTrim a video to an exact start and end time without uploading it.→CROPCrop VideoCrop a video frame using X, Y, width, and height controls in your browser.→

Tool guide

How to use Video Tools

Overview

Compress, convert, resize, rotate, merge, mute, create GIFs, extract audio, and inspect metadata locally in your browser. This guide explains a practical way to check the result before you use it.

How to use it

Open Video Tools and prepare a copy of the input you want to process.
Select a video file and wait for the browser media engine to load.
Choose the output format, dimensions, trim range, speed, filter, or other available option, then start processing.
Preview the output where available and check the opening, ending, orientation, and sound before download.

Example

Process a 10-second test segment first to validate the chosen format and settings before exporting the full video.

Before you use the result

Video processing runs locally in the browser after the media engine loads.
Large or long videos can exceed browser memory, and re-encoding can change quality or take time.

FAQ

Questions people ask

What does Video Tools do?

Compress, convert, resize, rotate, merge, mute, create GIFs, extract audio, and inspect metadata locally in your browser.

How do I use Video Tools?

Select a video file and wait for the browser media engine to load. Choose the output format, dimensions, trim range, speed, filter, or other available option, then start processing.

How should I check the result?

Preview the output where available and check the opening, ending, orientation, and sound before download.

Is an account required?

No. NovaKit tools are available for direct use without creating an account.

How is my input handled?

Video processing runs locally in the browser after the media engine loads.

What should I keep in mind?

Large or long videos can exceed browser memory, and re-encoding can change quality or take time.

What is a safe Video Tools example?

Process a 10-second test segment first to validate the chosen format and settings before exporting the full video.

Can I keep a copy of the result?

Where output is generated, use the page’s copy, download, print, or export controls and keep the original input until you have verified the result.

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