Video Deinterlace Tool - Convert Interlaced to Progressive

Remove interlacing from videos with browser-based deinterlacing. Supports yadif and bwdif methods. Perfect for DVDs, TV recordings, and VHS digitization.

Upload Interlaced Video

Drop video here or click to browse

Supports MP4, AVI, MOV, MKV, MPEG, VOB and other formats

Deinterlace Method

Bwdif produces higher quality results with better edge preservation

About Deinterlacing

Interlacing splits each frame into two fields (odd/even lines) displayed sequentially. This causes combing artifacts on progressive displays.

Common Interlaced Sources:

DVDs (480i NTSC, 576i PAL)
VHS and analog tapes
TV broadcasts (1080i HD)
Old camcorders (pre-2010)
Digitized home videos

Deinterlacing Methods:

Yadif: Fast, standard quality, good for most content
Bwdif: Superior quality, better edge preservation, recommended for archival

Privacy & Processing

100% browser-based processing
No server uploads
Videos stay on your device
Uses FFmpeg.wasm for deinterlacing

Privacy

All processing happens in your browser using FFmpeg WebAssembly. Your videos never leave your device—completely private and secure.

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Frequently Asked Questions

Interlacing is a technique used in analog television where each frame is split into two fields - odd lines and even lines - displayed sequentially. This was designed to reduce bandwidth in analog broadcasts. Modern progressive displays show all lines at once, which can cause visible combing artifacts when playing interlaced content.

Deinterlace when converting old DVDs, digitized VHS tapes, TV recordings from broadcast sources, or any footage showing horizontal comb-like artifacts during motion. Most modern cameras record progressive, but legacy sources (pre-2010 camcorders, analog TV) are often interlaced.

Yadif (Yet Another DeInterlacing Filter) is the standard, fast method that analyzes temporal and spatial information. Bwdif (Bob Weaver DeInterlacing Filter) is a newer algorithm that produces higher quality results with better edge preservation and less motion artifacts, at slightly higher processing cost.

Pause the video during a motion scene. If you see horizontal comb-like lines or jagged edges on moving objects, it's interlaced. Most interlaced videos are 480i, 576i, or 1080i. File metadata may indicate 'interlaced' or 'field order: top field first/bottom field first'.

Deinterlacing actually improves perceived quality on progressive displays by removing comb artifacts. However, it cannot add detail that wasn't in the original - a 480i source deinterlaced to 480p will look cleaner but won't match native 480p resolution. Use bwdif for best results.

Yes, 1080i (broadcast HD) benefits greatly from deinterlacing. Many TV broadcasts, especially sports and news, use 1080i format. Deinterlacing to 1080p produces smooth progressive video suitable for modern displays and streaming platforms.

This tool works with all common video formats (MP4, AVI, MOV, MKV, MPEG, VOB). The deinterlacing process analyzes frames regardless of container format. Output is saved as MP4 for maximum compatibility.

Deinterlacing only affects interlaced content. If your video is already progressive (most modern footage), deinterlacing won't harm it but provides no benefit. The tool automatically detects field patterns to optimize processing.

DVDs (especially NTSC) are often 480i, and VHS is inherently interlaced (480i NTSC or 576i PAL). These formats were designed for CRT TVs that displayed interlaced content natively. Modern LCD/OLED screens are progressive, causing visible combing artifacts without deinterlacing.

Currently, this tool processes one video at a time to ensure quality and provide progress feedback. For large collections of old DVDs or tapes, process each video individually, selecting your preferred deinterlacing method for consistent results.

Upload Interlaced Video

Deinterlaced Video

About Deinterlacing

Common Interlaced Sources:

Deinterlacing Methods:

Privacy & Processing

Privacy

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