HDVideoConverter Convert a video

Video to MP4 Converter

Convert MOV, AVI, MKV, WMV and more to universal H.264 MP4 — perfect for Mac, iPhone and the web.

  • Free forever
  • No watermark
  • No signup
  • Batch ready

→ MP4

Drag & drop a file here, or

Accepts .mov, .avi, .mkv, .wmv, .flv, .webm, .mpg, .mpeg, .m4v, .mp4, .3gp, .ts

  1. Upload a video file.
  2. It is re-encoded to H.264 MP4.
  3. Download your universal MP4.

All hdvideoconverter tools

Video to MP4 → MP4 Convert MOV, AVI, MKV, WMV and more to universal H.264 MP4 — perfect for Mac, iPhone and the web. Video to MOV → MOV Convert video to QuickTime MOV — native on Mac and in Final Cut workflows. Video to WebM → WebM Convert video to WebM (VP9) — the efficient open format for the web. Video to MP3 → MP3 Extract a video's soundtrack and save it as an MP3.

hdvideoconverter-mac.com converts video between the formats that actually matter. The main tool turns awkward clips into universal H.264 MP4 that plays on any Mac, iPhone, or browser; supporting tools produce QuickTime MOV, web-friendly WebM, and audio-only MP3. Powered by FFmpeg, free, and watermark-free.

Our guides cover video codecs, containers, and getting smooth playback on Apple devices.

The right container for the job

Pick MP4 for universal playback, MOV for Mac and Final Cut, WebM for the web, or MP3 to keep only the audio.

From our guides

Browse all articles →
Video on Mac & iPhone The Best Video Format for iPhone and iPad in 2026 The best video format for iPhone and iPad explained: why MP4 with H.264 plays flawlessly, when HEVC makes sense, and how to convert any clip for Apple devices. 6 min read Video to MP4 how-to How to Convert AVI to MP4 on a Mac (and Why You Should) Convert dated AVI files to modern MP4 on a Mac to fix playback, shrink size, and unlock editing. A clear step-by-step guide and the reasons it matters. 5 min read Video to MP4 how-to How to Convert MKV to MP4 on a Mac the Easy Way Convert MKV to MP4 on a Mac so QuickTime and iPhones can play it. Learn what MKV is, when remuxing is instant, and follow a clear step-by-step workflow. 5 min read Video to MP4 how-to How to Convert MOV to MP4 on a Mac Without Losing Quality Convert MOV to MP4 on a Mac to fix compatibility and reduce file size. A clear step-by-step guide plus the real difference between the two formats. 6 min read Web video (WebM/HTML5) How to Embed Video on a Website with HTML5 and WebM Learn to embed video on a website with the HTML5 video tag, WebM, and MP4 fallback. Get the right formats, copy-paste code, and tips for fast web playback. 6 min read Extracting audio from video How to Extract Audio from a Video on a Mac (to MP3) Extract audio from any video on a Mac and save it as MP3. Learn how extraction works, the right bitrate to choose, and a clear step-by-step workflow. 6 min read Codecs & containers H.264 vs H.265: Which Video Codec Should You Use? H.264 vs H.265 compared for Mac users: file size, quality, compatibility, and power use, plus clear guidance on which codec to choose when converting video. 6 min read Video to MP4 how-to How to Convert Video to MP4 on a Mac (Step by Step) Learn how to convert any video to MP4 on a Mac with a clear step-by-step workflow, the right codec choices, and tips for quality, size, and compatibility. 6 min read

Frequently asked questions

Is it free?
Yes — free, no watermark, no signup.
Best format for iPhone and Mac?
H.264 MP4 — natively supported across Apple devices and the web.
Why does conversion take time?
Video is fully re-encoded, so longer or higher-resolution clips take longer.