YouTube thumbnail downloaderGenerators

YouTube thumbnail downloader. Every size, one paste.

Paste a video or Shorts link. You see the thumbnail in every size YouTube stores, with the pixel size and a direct link to each. Not every video has the largest size, and the page marks the ones that are missing.

Cost to you

Free

Runs in your browser. No signup, no API call, no limit per hour.

browser
runs in
none
API calls
none
account

Use it now

Use the YouTube thumbnail downloader here

It runs in your browser. Nothing you type is sent anywhere, there is no signup and no limit.

Loading the tool.

Run it from your agent

Copy one prompt, give it to your agent.

Fill in the placeholder, paste it, and the agent runs the same job with current data on your looot account and shows the cost.

  • You give it: a youtube video link or video id.
  • Billed per call, nothing while your agent is idle.
  • The agent shows the price before it calls.
Prompt: YouTube thumbnail downloader
Use looot to collect the thumbnails and titles of these YouTube videos: [links]. 1. Set up https://looot.ai/skill.md. 2. Build each thumbnail link from the video id: https://img.youtube.com/vi/ID/maxresdefault.jpg, falling back to hqdefault.jpg. 3. Find a YouTube video details endpoint in the catalog for the titles and check its price. 4. Return a table of title, video link and thumbnail link.

Give this to your agent
Setup command
set up looot - https://looot.ai/skill.md

What comes back

What your agent gets from youtube thumbnail downloader

Field names as the providers return them. The exact set varies by endpoint, and your agent reads it from the catalog.

  • thumbnail at each size
  • pixel size
  • direct image link
  • video id

Use it for

What people do with youtube thumbnail downloader

  • Design reference

    Save the thumbnails of top videos in your niche to study what works.

  • Blog embeds

    Use the full size image as a cover when you write about a video.

  • Check your own

    See how your thumbnail looks at the small sizes YouTube shows in lists.

  • Bulk with an agent

    Give your agent a list of links and get every thumbnail link back.

Set up once

Three steps. Your agent does the rest.

Keep going

FAQ

Questions about youtube thumbnail downloader

Paste the video link in the box. Every size appears at once. Open the size you want with its link, then save the image from your browser.

Up to five standard sizes: maxres at 1280x720, sd at 640x480, hq at 480x360, mq at 320x180 and the default at 120x90. The page shows all five.

YouTube only makes the maxres image when the uploaded video or custom thumbnail is large enough. When it is missing, YouTube serves a small grey placeholder, and the page marks that size as not available.

Yes. Paste a Shorts link or a youtu.be link and the page reads the video id from it.

Yes. It runs in your browser with no account and no limit. Your browser loads the images straight from YouTube.

The thumbnail belongs to the video's creator. Use it to refer to the video, and ask the creator before you reuse it in your own work.

Not on this page. The prompt above sends your agent to a video details endpoint in the catalog for titles.
For agents
tool
YouTube thumbnail downloader
category
Generators
input
A YouTube video link or video id
output
thumbnail at each size, pixel size, direct image link, video id
price
per call, read live from the catalog on the web page
web tool
runs in the visitor's browser, no API call, free and unlimited
schedule
on demand
setup
https://looot.ai/skill.md
llms.txt
https://looot.ai/llms.txt
updated
2026-10-14

Run youtube thumbnail downloader from your own agent.

Start your workspace, top up, and paste the prompt into the agent you already use. It runs the job with live data and shows the cost first.