VOB → Image

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How to convert VOB to Image

Step 1: Transfer your VOB files using the button above or by slide and deposit.

Step 2: Click the 'Convert' button to start the conversion.

Step 3: Retrieve your converted Image files.

VOB to Image Conversion FAQ

How do I extract frames from a VOB video as Image images?

Upload the VOB and the converter exposes a frame-extraction picker: every Nth frame, frames at specific timestamps, or one frame per second. Each chosen frame is encoded as an individual Image file and the full set is bundled into a ZIP archive for download. VOB is the Video Object container found in the VIDEO_TS folder of every DVD — an MPEG-2 program stream with DVD-specific navigation data added. Image here is a generic target: the converter picks a sensible raster format for the source rather than forcing one on you.

Why do my extracted frames have horizontal lines through them?

Because the source is interlaced. VOB content from the broadcast and DVD era stores two half-height fields per frame, captured a fiftieth of a second apart, and a still pulled straight out shows both woven together as combing on anything that moved. Enable deinterlacing before extraction and each still is built from a single reconstructed progressive frame.

Will subtitles show up in the Image frames I extract?

Not if they are a real subtitle track. A VOB keeps subtitles as their own stream and the player draws them over the picture at playback time, so the decoded frame the converter writes out as an Image has clean pixels underneath. Subtitles that were burned into the video before it ever became a VOB are a different matter — by then they are part of the image and every extracted frame keeps them.

Can I pull one Image out of each chapter of the VOB?

Not as a single button, but the VOB makes it straightforward: chapter marks are stored in the container as named timestamps, so read the chapter list off the file and paste those times into the timestamp field. You get one Image per chapter, in order, which is the usual way of building thumbnails for a long recording. Sources with no chapter marks leave you picking scenes by eye instead. VOB preserves the whole DVD payload — multiple angles, multiple audio languages and subtitle tracks all survive inside it.

Does the Image output support transparency?

The format does, but the source has no alpha to give it — video frames and rendered pages are fully opaque by nature, so every pixel arrives solid. The alpha channel is still useful afterwards: it means you can cut a subject out of the Image later without changing format again. Choosing the target automatically means you get a file that opens anywhere without having to reason about codecs first.

How big will the Image files be?

Larger than you might expect, because Image keeps every pixel exactly rather than approximating. A 1080p still lands around 2-5 MB and a 4K still around 6-15 MB, so a long extraction run adds up quickly. That is the right trade when the images feed further processing, and the wrong one when they are going straight onto a web page. Photographic sources default to JPG, sources with transparency or hard edges default to PNG, and multi-page sources produce one image per page.

At what resolution does each extracted Image frame come out?

The same resolution as the VOB video — a 1080p VOB produces 1920×1080 Image frames; a 4K VOB produces 3840×2160 Image frames. Use the resize utility after extraction if you want smaller thumbnails or social-media-sized crops.

Can I extract every single frame from VOB as Image?

Yes, but be careful with file count — a 30fps 1-minute VOB produces 1,800 Image frames. We pack them into a ZIP automatically. For longer clips, the "1 per second" option (60 frames) or specific timestamps gives a manageable result.

Will the extracted Image images preserve the VOB color grading?

Yes — colour is decoded with the matrix the source VOB uses (BT.709 for HD, BT.2020 for 4K HDR). HDR sources are tone-mapped to SDR on extraction to Image because most Image formats (PNG, JPG) cannot store HDR pixel ranges natively.

What is the file size of one extracted Image frame?

Depends on resolution and Image codec. A 1080p PNG frame is typically 2 to 5 MB; a 1080p JPG at quality-85 is 200 to 500 KB; a 4K PNG is 6 to 15 MB. At the extreme, every-frame PNG extraction of a 10-minute 1080p VOB produces ~50 GB total.

Does the extracted Image retain EXIF camera metadata?

The VOB container does not store per-frame EXIF the way a still camera does, so the Image files come out with empty EXIF. We embed a `creation_time` field pointing at the source frame timestamp so you can re-sort the bundle by capture order.

How long does frame extraction from VOB to Image take?

Frame extraction is fast — typically 20 to 30% of source duration on the standard pipeline. A 5-minute VOB → Image bundle finishes in about a minute regardless of frame count, because the bottleneck is the Image encoder, not the VOB demuxer.

VOB

VOB (Video Object) is a container format used for DVD video. It can contain video, audio, subtitles, and menus for DVD playback.

Image

Image files, such as JPG, PNG, and GIF, store visual information. These files can contain photographs, graphics, or illustrations. Images are used in a variety of applications, including web design, digital media, and file illustrations, to convey visual content.