FetchForge — YouTube Downloader & H.265 Converter

#01 Authentication

Use either method — paste is convenient on shared machines where you don't want files left behind.

In Cookie-Editor, use Export → download to get the file

Or paste cookies (Cookie-Editor → Export → Netscape). Pasted text is masked and never displayed.

#02 Video URL

Video Stream

Audio Stream

#03 Conversion

Convert to H.265 / MP4 after download

Output Directory

🎬 Video → H.265

🎵 Audio extract

Excellent (Slow)

Analyzes source codec, bitrate, and resolution. Derives CQ and maxrate from source. Uses uhq tune for maximum quality-per-bit.

CQ auto uhq tune ~1.5× speed

Great (Fast)

Fast encode for NLE editing. hq tune with hardware AQ — excellent quality at 4–6× speed. Output capped at source bitrate so files stay at or below source size.

CQ auto hq tune 4–6× speed

▶ Advanced settings

Quality (CQ) — 0 = Auto

Max Bitrate Ceiling (optional)

CQ controls perceptual quality (lower = better, larger file). NVENC preset (p2/p4) and 10-bit output are chosen automatically from source analysis. Set a max bitrate ceiling to hard-cap output size on high-bitrate sources.

Pipeline mode — download next video while encoding current one (playlists only)

Download file only — skip conversion, keep MKV in cache

Delete cache after conversion — remove source MKV once MP4 is done

Shut down PC when complete — 60 second delay with cancel window

#04 Local Conversion

#05 Progress

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Progress —

Size —

Speed —

ETA —

Elapsed —

Output vs Source —

0 MB / — MB

Waiting for job. Fetch a video or load local files and press Start.