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Video Format Converter

Convert videos between MP4, WebM, MOV and MKV, or extract audio as MP3 or WAV.

Runs in your browserFree · No sign-up
Runs in your browser using ffmpeg.wasm. The first use downloads about 30 MB from a public CDN, and processing is slower than desktop software. Keep files short or under about 200 MB.

How to use the video format converter

  1. Enter or paste your input in the tool above.
  2. Adjust the options if you need to.
  3. Press “Run tool”.
  4. Copy or download your result.

About this tool

Convert videos between MP4, WebM, MOV and MKV, or extract audio as MP3 or WAV. It is part of the free Audio, Video & Media Tools collection from LLMWiki, designed to be fast, clear and easy to trust on any device.

No sign-up and no hidden limits in the interface. Results are guidance, so verify anything important.

Runs in your browser

What you type or upload stays on your device. Nothing is sent to our servers.

Frequently asked questions

Is the video format converter free?

Yes. It is free to use and needs no account or sign-up.

Is my data private?

What you type or upload stays on your device. Nothing is sent to our servers.

Who makes this tool?

The tool is built and maintained by LLMWiki. Questions or feedback? Email hello@llmwiki.in.

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Need this done for you?

LLMWiki also provides SEO, AI search optimisation and website development services.

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Why use the Video Format Converter?

The Video Format Converter helps you convert videos between MP4, WebM, MOV and MKV, or extract audio as MP3 or WAV. Free, no sign-up. Runs in your browser. Instead of switching between complicated software or doing it by hand, you get an accurate result in seconds – for free, on any device, with no sign-up.

Key advantages

  • Fast: results in seconds, so you can act immediately.
  • Accurate & practical: built around real-world Audio, Video & Media Tools workflows.
  • Free & private: no installation; many tools run entirely in your browser.
  • Works everywhere: fully responsive on mobile, tablet and desktop.
  • Export-ready: copy or download results for reports and clients.

How the Video Format Converter helps your business

Businesses use the video format converter to convert, trim and prepare audio and video content for every platform. Saving even an hour a week on routine work frees your team for strategy, customers and growth – and reduces the cost of paid tools and outside help.

Organic growth & AI search visibility

Video and audio content with transcripts and optimised files reaches new audiences on YouTube, podcasts and search. Using the video format converter as part of a regular routine turns small improvements into compounding gains in traffic, leads and brand visibility.

How to use the Video Format Converter

  1. Add your inputPaste your text, URL, file or data into the tool above.
  2. Run the toolGet an instant, structured result.
  3. Apply the resultCopy, download or share it – and fix what matters most first.

Who is it for?

The Video Format Converter is designed for creators, podcasters, video editors and marketers – whether you manage one website or many clients.

Frequently asked questions

Is the Video Format Converter free?

Yes. It is free to use without registration. Advanced platform features (site audits, rank tracking, backlinks and AI visibility tracking) are available in LLM Wiki Pro.

Is my data safe?

Browser-based tools process your data on your device. Tools that fetch a URL only access publicly available pages, and we never sell your data.

Can I use the results for clients?

Absolutely – copy or download the results and use them in audits, reports and deliverables.

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