Free Tools

Article to Video

Turn articles into MP4

Script to Voiceover

Turn text into AI audio

Transcript to Help Article

Clean docs from transcripts

Video Trimmer

Cut and trim video clips

Subtitle Creator

Generate captions from audio

Transcript Extractor

Get text from any video

Video Watermark

Add logo or text overlay

Video Cropper

Resize and crop frames

AI Video Reframer

Auto crop with subject tracking

Video to FAQ

Turn video into Q&A

Video to Help Article

Auto-generate help docs

Video to Quiz

Generate quizzes from videos

Subtitle Translator

Translate captions instantly

Background Music

Add royalty-free tracks

Thumbnail Generator

Create click-worthy thumbs

Description Generator

SEO-optimized descriptions

AI Video Trimmer

Smart cuts, auto highlights

Video Merger

Combine multiple clips

Before & After Video

Side-by-side comparisons

Coming Next Video

PiP teaser into next clip

Video Rotator

Flip or rotate footage

Speed Changer

Speed up or slow down

Format Converter

Convert between formats

Video Compressor

Shrink file size, keep quality

Video to GIF

Turn clips into animated GIFs

Video Fade In/Out

Smooth intro and outro

Video Summary

AI-powered key takeaways

Video FAQ Generator

Extract FAQs from video

Image Annotator

Mark up screenshots

Video Annotator

Shapes, arrows & text on video

Audio Extractor

Extract audio from video

Subtitle Burner

Burn captions into video

PDF to Video

Convert PDF to video

PPTX to Video

Turn slides into video

Keynote to Video

Convert Keynote to video

Presentation to Video

PDF, PPTX, or Keynote

Google Slides to Video

Turn Google Slides into video

PowerPoint to Video

Convert PPT to video

Video Lighting

Brightness, contrast & more

Free Tool

Free Video Format Converter

Upload a video or paste a URL. Convert between MP4, WebM, MOV, AVI, and MKV in seconds.

or

Drop your video here

or click to browse

How It Works

Three simple steps

1

Upload or paste URL

Drop a video file or paste a link. Supports MP4, WebM, MOV, AVI, and MKV.

2

Choose format

Pick your target format. The tool auto-detects your input format so you won't convert to the same type.

3

Download result

Your converted video is ready to download in seconds. Done.

Why Use This Tool

No sign-up required

Try the tool instantly. Sign in only to save your history.

Five popular formats

Convert between MP4, WebM, MOV, AVI, and MKV — covers every use case.

Fast processing

Videos are converted server-side in seconds, not minutes.

High quality output

Optimized encoding settings preserve quality while keeping file sizes reasonable.

Frequently Asked Questions

You can convert between MP4, WebM, MOV, AVI, and MKV. Upload any of these formats and convert to any other.

Yes. You can try the tool without an account. Sign in to save your results.

We use optimized encoding settings (e.g. CRF 23 for H.264, CRF 30 for VP9) so the output looks great with minimal quality loss.

MP4 is the most widely supported format and works everywhere. WebM produces smaller files for web use. MOV is ideal for Apple devices. AVI and MKV are good for archiving.

You can upload videos up to 500 MB.

Need more from your videos?

Vidocu turns videos into subtitles, voiceover, translations, and help articles — automatically.

Free Video Format Converter Online | Vidocu | Vidocu