How often is YouTube's 1280 × 720 thumbnail available?

We checked five public thumbnail variants across 135 recent videos. Every video in this limited sample returned an image that decoded to 1280 × 720, but the result does not represent YouTube as a whole.

Verified: August 25, 2026 UTC
Sample: 135 videos · 9 channels
Method: Public RSS + JPEG decode

In this sample, 135 of 135 recent uploads returned HTTP 200 and decoded to 1280 × 720 formaxresdefault.jpg

That is a 100% actual-dimension match for the tested sample—not a claim that every YouTube video exposes this size. YouTube documents maxres as 1280 × 720 and says it is available for some videos.

One recent upload from each channel

The complete dataset includes 15 RSS-visible videos per channel. These images are loaded from YouTube's public thumbnail host.

Download all 135 rows

Public max-resolution thumbnail from a recent YouTube upload in the tested sample — YouTube

Public max-resolution thumbnail from a recent Google upload in the tested sample — Google

Public max-resolution thumbnail from a recent NASA upload in the tested sample — NASA

Public max-resolution thumbnail from a recent Netflix upload in the tested sample — Netflix

Public max-resolution thumbnail from a recent Spotify upload in the tested sample — Spotify

Public max-resolution thumbnail from a recent Adobe upload in the tested sample — Adobe

Public max-resolution thumbnail from a recent Microsoft upload in the tested sample — Microsoft

Public max-resolution thumbnail from a recent OpenAI upload in the tested sample — OpenAI

Public max-resolution thumbnail from a recent Hootsuite upload in the tested sample — Hootsuite

Results by thumbnail variant

Availability was identical in this sample. File size varied materially, especially for the 1280 × 720 source.

Variant	Documented size	Available	Median	Range
maxresdefault	1280 × 720	135 / 135	109,847 bytes	24,106–333,102
sddefault	640 × 480	135 / 135	47,483 bytes	10,016–107,738
hqdefault	480 × 360	135 / 135	13,062 bytes	3,784–34,513
mqdefault	320 × 180	135 / 135	8,052 bytes	2,440–17,850
default	120 × 90	135 / 135	2,505 bytes	984–4,114

How the check works

The script uses public endpoints and requires no YouTube API key. Results are time-sensitive and reproducible.

Read the latest 15 video IDs exposed by each selected channel’s public YouTube RSS feed.
Download five common public thumbnail variants for every video ID.
Decode each JPEG and compare its actual pixel dimensions with the documented size.
Retry rate limits and server errors up to three times with exponential backoff.

What this result does not prove

The sample covers recent uploads from large, active channels. It does not establish the maxres rate for old videos, small channels, private or deleted videos, livestream edge cases, or YouTube as a whole.

It also does not support a “4K thumbnail download” claim. A tool can return the public image YouTube exposes; it cannot recover an uploader's original file or create real 4K detail.

Read YouTube's thumbnail documentation

Reproduce the result

Download the flat rows, complete response, or the script used for this check. The source records video IDs and response metadata, not copies of the thumbnail images.

CSV data135 rows for spreadsheets and analysis JSON dataComplete channel, availability, and response metadata Test scriptNode.js source using public RSS and image URLs

Need the thumbnail, not the dataset?

Paste a YouTube link, see which public source sizes exist, and download the available image without signup or upscaling.

Open the thumbnail tool