offlinewebtools.com — free, watermark-free browser tools that stay on your device with nothing uploading to our servers

H.265 to H.264 Converter

Convert H.265 (HEVC) videos to H.264 for maximum compatibility across all devices and platforms.

Free to use, no watermarks, runs in your browser—nothing uploads to our servers

Source file

Files are processed locally in your browser using WebAssembly.

Saved FFmpeg presets (stored locally)

Saved presets

Preset name

Quality (CRF)

Lower = better quality (0-51, default: 23)

Encoding Speed

H.264 has much better compatibility with older devices, web browsers, and video editing software.

Yes, H.265 is about 50% more efficient than H.264. Expect larger files at the same quality level.

There may be minimal quality loss during re-encoding. Use CRF 18-23 for best results.

Report a bug

If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.