Converting a Blu-ray to a playable DVD takes four stages: rip the disc to an MKV file, downscale the 1080p video to standard definition MPEG-2, author a DVD-Video structure with menus and chapters, then burn it to a DVD-R. The free tools that do this are MakeMKV, DVDStyler and, optionally, FFmpeg. You need a Blu-ray drive on your computer. Budget about an hour of mostly unattended machine time for a two-hour film, and expect a visible drop in sharpness, because DVD holds roughly one fifth of the pixels.

Is it legal to convert a Blu-ray you own?

It depends on the disc and the country. Nearly every commercial Blu-ray is encrypted with AACS. In the United States, bypassing that encryption is restricted by section 1201 of the Digital Millennium Copyright Act, and the Copyright Office’s current exemptions do not cover format-shifting a film for personal convenience. Unencrypted discs are a different case: home video, wedding films, event coverage and corporate projects you commissioned or produced. As a production company we do this routinely when a client’s relatives still own a DVD player and nothing newer. This guide assumes you have the rights to the content.

What do you need before you start?

• A Blu-ray drive. Internal drives cost around $60 to $90. USB models cost $70 to $120. Any of them will also burn DVDs.
• Blank DVD-R media. Single-layer discs hold 4.7 GB. Dual-layer DVD-R DL discs hold 8.5 GB but cost three to four times more and fail more often on older players.
• Disk space. A ripped Blu-ray feature is 20 to 40 GB. Keep 60 GB free for the rip, the encode and the DVD image.
• Software. MakeMKV for ripping, DVDStyler for encoding, authoring and burning. Both run on Windows, macOS and Linux.

Step 1: Rip the Blu-ray to an MKV file

Insert the disc, open MakeMKV and let it scan. Pick the longest title for a film, or every title for an event disc with separate segments. Untick audio tracks and subtitles you will not use. Keep one main audio track, ideally the stereo mix if one exists, since DVD players handle Dolby Digital stereo most reliably. Click the save button. A 6x drive rips a 30 GB disc in 20 to 35 minutes. The output is a lossless copy of the original video, so nothing is degraded yet.

Step 2: Pick the DVD standard and the bitrate

DVD-Video uses MPEG-2 at 720×480 pixels for NTSC (North America, Japan) or 720×576 for PAL (Europe, Australia), the sampling structure defined in ITU-R BT.601. Match the standard to the player, not the source. Nearly every player sold outside North America handles both, but older US players will not play PAL.

The bitrate decides whether the film fits on the disc. Divide the disc capacity in megabits by the running time in seconds, then subtract audio and about 5 percent overhead.

DVD-Video caps video at 9.8 Mbps. Anything over 8 Mbps makes marginal players stutter, so stop there. Below 3.5 Mbps, blocking appears in dark scenes and fast motion. For a long event disc, split it across two single-layer DVDs rather than squeezing it.

Step 3: Encode and author the DVD

Open DVDStyler, choose NTSC or PAL, 16:9 aspect, and the video bitrate from the table. Set audio to AC-3 at 192 kbps for stereo or 448 kbps for 5.1. Drag the MKV onto the title set. DVDStyler transcodes with its bundled FFmpeg, adds the 16:9 anamorphic flag, and handles the 23.976 fps film cadence correctly. Add a menu template and chapter markers every 5 to 10 minutes. Encoding a two-hour film takes 15 to 40 minutes on a current laptop.

If you prefer the command line, FFmpeg’s documented target presets produce a compliant stream in one step. The ntsc-dvd target sets resolution, GOP structure and muxing to the DVD specification, and you only need to add a bitrate and the 16:9 aspect flag:

ffmpeg -i film.mkv -target ntsc-dvd -b:v 4500k -aspect 16:9 -ac 2 -b:a 192k film.mpg

Load the resulting MPG into DVDStyler with transcoding disabled.

Step 4: Burn and verify

Tell DVDStyler to create an ISO first rather than burning directly. Burn the ISO at 4x or 8x, not the drive’s maximum. Slow burns produce fewer read errors on players made before 2010. Use DVD-R over DVD+R, since some older players reject +R without a bitsetting workaround. Run the burner’s verify pass, then test the finished disc in the actual target player, not just on the computer. Check that the menu loads, chapters skip correctly and the final minute plays without freezing, which is where burn errors on the outer edge of the disc show up.

Why does the DVD look softer than the Blu-ray?

Blu-ray stores 1920×1080 pixels. DVD stores 720×480, about one sixth of the data, with a codec that is two generations older. Sharp text, fine texture and smoke will soften. Downscaling with the Lanczos filter in HandBrake or FFmpeg before authoring retains more detail than DVDStyler’s default scaler, so for a client deliverable we scale first, then author. Keep the MKV rip. If the recipient later upgrades to a Blu-ray player, you can burn a full-quality disc from the same file.

Related reading: The Beginner's Guide to Inventory-Free Selling on Amazon