Cobble
GitHub Download

Paste a link.
Get a file.

Cobble downloads video and audio to your PC and converts it so it opens in your editor on the first try.

Download Features

Version 0.1.0·Windows, 64-bit·No account

Preview shows a video by 8K VISION on YouTube. File sizes are examples.

Features

Small app. Does the whole job.

All features →

Pick the exact quality

Download

Every resolution the video offers is listed with its file size, so you know what you are getting before you download.

2160p412 MB
1080p96 MB
720p48 MB
Audio only6 MB

Merge your own tracks

Download

Pair any video stream with any audio stream.

Video
H.2641080p
VP91080p
Audio
AAC
Opus

Editor-ready presets

Convert

Choose the format your editor wants. Cobble does the conversion.

After Effects readyProRes 422Keep originalMP3

Compress what you have

Compress

Shrink a file that is already on your PC. Choose a codec, a quality and a maximum height, and Cobble shows the size before and after.

H.264H.265SmallMediumHighMax height 1080p
Before
After

Queue and history

History

Jobs wait their turn and can be cancelled. Finished files stay listed so you can open their folder or download again.

Interview cutDone
Drone passDownloading
Intro musicQueued

Runs on your PC

Local

yt-dlp and ffmpeg ship inside the app. Files go to the folder you choose.

yt-dlpUpdate
ffmpegBundled
Save toDownloads
Formats

Get the file your editor wants.

How presets work →

After Effects ready

.mp4 · H.264 + AAC

Converts to H.264 video and AAC audio, the pairing After Effects imports natively.

Source
VideoVP9
AudioOpus
→
Output
VideoH.264
AudioAAC

Already H.264 or AAC? That track is copied, not re-encoded.

ProRes 422

.mov · ProRes 422 + PCM

An editing codec that scrubs smoothly and cuts cleanly. Files are much larger than H.264.

Source
VideoVP9
AudioOpus
→
Output
VideoProRes 422
AudioPCM

Every track is converted. Audio-only downloads become WAV.

Keep original

Original container

Saves the streams exactly as the site serves them. Nothing is converted.

Source
VideoVP9
AudioOpus
→
Output
VideoVP9
AudioOpus

The fastest option, with no quality loss.

MP3

.mp3 · audio only

Pulls out the sound and saves an MP3. Use it for music, podcasts and voice clips.

Source
VideoVP9
AudioOpus
→
Output
VideoNone
AudioMP3

Audio that is already MP3 is copied.

How it works

Three steps. No settings page.

youtube.com/watch?v=ljUczyeLB-Y
2160p412 MB
1080p96 MB
720p48 MB
Qualities load as soon as you paste.
Quality
2160p1080p720p
Preset
After Effects readyProRes 422Keep original
H.264 kept, AAC kept
Epic Breathtaking LandscapesSaved
96 MB, in your Downloads folder.
FAQ

Questions

All questions →
Which sites does it work with?

Cobble uses yt-dlp, so it works with the sites yt-dlp supports. When a site changes, press Update in Settings to get the latest yt-dlp.

Does it need an account?

No. Paste a link and download.

Where do my files go?

To the folder shown in Settings. Change it any time. Cobble runs on your PC and saves nothing anywhere else.

Is it legal to download videos?

Only download content you own or have permission to use, and follow the terms of the sites you download from.

Get Cobble.

Free for Windows, 64-bit. Version 0.1.0.

DownloadView on GitHub