HEVC to MP4 Converter
Convert H.265/HEVC video to universally compatible H.264 MP4 online for free. Re-encode for playback on any device. No software needed. Up to 100 MB.
Drop your HEVC file hereTap to choose your HEVC file
or
Also supports MOV, MKV, AVI, WebM, MP4 • Max 100 MB
How to Convert HEVC to MP4
Upload
Drag and drop your HEVC video into the converter above, or click Choose HEVC File to browse your device.
Convert
Click Convert to MP4. Our server re-encodes H.265 video to H.264 + AAC for universal playback. Takes 30 seconds to 2 minutes.
Download
Click Download MP4 to save the converted H.264 video. That's it — no registration, no email required.
Why HEVC Files Won't Play on Your Device
On Windows 10/11
Windows does not include an HEVC decoder out of the box. To play H.265 video, you need to purchase the HEVC Video Extensions from the Microsoft Store ($0.99). Without this codec pack, Windows Media Player and the Movies & TV app will display a "codec missing" error. Converting HEVC to H.264 MP4 eliminates the need for any additional codec purchases — H.264 plays natively on every Windows installation.
On Mac
macOS supports HEVC playback starting from High Sierra (10.13), but only on Macs with hardware HEVC decoding — 2017 and later models. Older Macs cannot play HEVC files in QuickTime without stuttering or errors. Even with HEVC support, iMovie and some third-party editors handle H.264 more reliably. Converting to H.264 MP4 ensures smooth playback and editing on any Mac regardless of age.
In Web Browsers
Browser HEVC support is inconsistent. Safari has supported H.265 since 2017, but Chrome only added partial support in late 2022 (hardware-only, platform-dependent). Firefox has limited HEVC support. This means HEVC videos embedded on websites won't play for a significant portion of visitors. H.264 MP4 is supported by every browser on every platform — it's the universal web video standard.
On Smart TVs & Streaming Devices
While many newer smart TVs (2018+) support HEVC, older models from Samsung, LG, and Sony cannot decode H.265 video. Budget and mid-range TVs often lack HEVC hardware decoders. Roku and older Chromecast devices also have limited H.265 support. Converting HEVC to H.264 MP4 guarantees playback on every television and streaming device, regardless of age or brand.
What is HEVC?
HEVC (High Efficiency Video Coding), also known as H.265, is a video compression standard published in 2013 as the successor to H.264/AVC. It was developed by the Joint Collaborative Team on Video Coding (JCT-VC) under both ITU-T and ISO/IEC standards bodies.
HEVC's primary advantage is 50% better compression compared to H.264 at the same visual quality. This makes it ideal for 4K and 8K video, where file sizes would otherwise be enormous. iPhones (since iPhone 7 with iOS 11) record video in HEVC by default, and it's widely used in 4K Blu-ray discs, security camera systems, and satellite broadcasting.
The main drawback is compatibility and licensing. HEVC requires hardware decoder support and is covered by complex patent licensing from multiple pools (MPEG LA, HEVC Advance, Velos Media). This has led to fragmented adoption — Windows charges for the decoder, many browsers don't support it, and older devices cannot play it. For sharing video, H.264 remains the safer choice.
What is MP4?
MP4 (MPEG-4 Part 14) is the international standard video container format, published as ISO/IEC 14496-14. It was derived from Apple's QuickTime MOV format in 2001, using the same atom/box architecture for organizing video, audio, and metadata.
MP4 supports H.264 and H.265 video with AAC audio, and includes the faststart flag (moov atom at the beginning) for instant web playback without buffering. It's the recommended upload format for YouTube, Instagram, TikTok, Facebook, and every major platform.
When we say "HEVC to MP4," the conversion is really about re-encoding from H.265 to H.264 and packaging it in an MP4 container. The result is an MP4 file with H.264 video + AAC audio that plays on every computer, phone, tablet, smart TV, gaming console, web browser, and media player manufactured in the last 15 years.
HEVC (H.265) vs H.264: Quick Comparison
| Feature | HEVC (H.265) | H.264 (AVC) |
|---|---|---|
| Standard | ITU-T H.265 / ISO 23008-2 (2013) | ITU-T H.264 / ISO 14496-10 (2003) |
| Compression efficiency | ~50% better than H.264 | Baseline (reference) |
| Maximum resolution | 8192 × 4320 (8K) | 4096 × 2304 (4K) |
| Typical 4K bitrate | 15–25 Mbps | 30–50 Mbps |
| Windows support | Paid codec required ($0.99) | Native (built-in) |
| macOS support | 10.13+ with 2017+ hardware | All versions |
| Browser support | Safari, partial Chrome (hardware) | All browsers |
| Smart TV support | 2018+ models (varies) | Universal |
| iPhone recording | Default since iPhone 7 / iOS 11 | "Most Compatible" setting |
| Licensing | Complex (3 patent pools) | MPEG LA (widely licensed) |
| Best for | 4K/8K storage, iPhone video, Blu-ray | Sharing, web, universal playback |
Why Convert HEVC to H.264 MP4?
Universal device compatibility
H.264 plays on literally every device: Windows PCs (no codec purchase needed), all Mac models, iPhones, Android phones, every smart TV regardless of age, gaming consoles (PS4/PS5, Xbox), and all web browsers. HEVC fails on many of these without specific hardware or paid software. If you need a video that works everywhere, H.264 is the only safe choice.
Sharing on social media & messaging
YouTube, Instagram, TikTok, Facebook, and Twitter all recommend H.264 MP4 for uploads. While some platforms accept HEVC, they re-encode it to H.264 internally anyway, often adding compression artifacts. Uploading H.264 directly gives you more control over the final quality and avoids double re-encoding.
Editing in video software
Many video editors — especially older versions of Adobe Premiere, DaVinci Resolve, and Camtasia — have limited or no HEVC support. Even editors that support HEVC decode it much more slowly than H.264, leading to laggy timelines and dropped preview frames. Converting to H.264 before editing gives you smoother playback and faster rendering.
Web embedding & streaming
If you're embedding video on a website or serving it through a custom player, H.264 is the only codec guaranteed to work in every browser on every platform. HEVC browser support is fragmented — it works in Safari and partially in Chrome (hardware-dependent), but Firefox support is limited. Using H.264 ensures your video reaches 100% of your audience.