Social media video quality, explained
Resolution, bitrate, codecs and why the file you can download may differ from the creator's original upload.
ContentDown guides
Understand the media you download.
Original, practical notes from building and maintaining ContentDown: formats, resolution, platform behaviour, links, quality and responsible use.
Image resolution without the jargon
Pixels, megapixels, aspect ratio and what dimensions actually tell you about a social-media image.
Aspect ratios for social media: a practical guide
Understand 1:1, 4:5, 16:9 and 9:16, calculate ratios, and avoid accidental cropping.
JPEG, PNG, GIF, WebP and MP4: what changes?
A practical reference to the file types you encounter when saving public social media.
Public vs private social media: what a downloader can access
Why a public URL matters, what access controls mean, and why ContentDown never asks for your social account password.
How Instagram carousel downloads work
What happens when one Instagram post contains several photos or videos, and how ContentDown presents them.
TikTok photo posts and carousels explained
TikTok is not only video. Learn how photo posts differ and how ContentDown handles their ordered images.
Why an X ‘GIF’ may download as MP4
The difference between an animated GIF as a concept and the video file X can use to deliver the animation.
Choosing an X video quality
What ContentDown's resolution choices mean and when a smaller rendition can be the better download.
How to copy a clean social-media post link
A platform-by-platform checklist for getting the URL a downloader actually needs.
A practical guide to responsible media downloading
Ownership, permission, attribution and why ‘publicly accessible’ is not the same as ‘free to reuse’.