Video thumbnails

Creator video thumbnail

Make a video thumbnail for viewers with two big title lines.

File types: PNGJPEGWebP
Size: 1280 × 720 px
Use case: Video thumbnails
Licence: Free to copy and use in your own templates
Source: Made by thirds.ai with the open-licence Anton font, fictional sample names, and an original AI-generated example photo.

A violet thumbnail with the white title How I make above £10k a month in black on a tilted lime slab, a Black woman inside a lime-ringed circle on the right, an EP 12 tab, a handle, and a 14:32 chip. — creator-thumb/template.html

About this design

What you can make with it.

Creators use this thumbnail for a new YouTube video. It pairs a ringed circle portrait with two large title lines, an episode tab, a channel handle, and the video length. Change the titles, episode, handle, duration, photo, and colours for each upload.

Your details

What you can change.

These are the words and numbers you swap for your own. The design stays the same.

Title line 1A short text.
Title line 2A short text.
EpisodeA short text.
ChannelA short text.
DurationA short text.
Background colourA colour.
Accent colourA colour.
PhotoA short text.

{
  "title_line_1": "How I make",
  "title_line_2": "£10k a month",
  "episode": "EP 12",
  "channel": "@mayaonmoney",
  "duration": "14:32",
  "background_colour": "#3B1D8F",
  "accent_colour": "#D4FF3F"
}

For developers

Make this file from your code or your AI tools.

Save your copy once, then send the new details with each request. Each finished file costs 1 credit.

curl https://thirds.ai/v1/image \
  -H "Authorization: Bearer $THIRDS_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: creator-thumb-1" \
  -d '{"template_id":"tpl_your_copy","version":1,"data":{"title_line_1":"How I make","title_line_2":"£10k a month","episode":"EP 12","channel":"@mayaonmoney","duration":"14:32","background_colour":"#3B1D8F","accent_colour":"#D4FF3F"},"image":{"format":"png","width":1280,"height":720}}'

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "render",
    "arguments": {
      "output": "png",
      "idempotency_key": "creator-thumb-1",
      "request": {
        "template_id": "tpl_your_copy",
        "version": 1,
        "data": {
          "title_line_1": "How I make",
          "title_line_2": "£10k a month",
          "episode": "EP 12",
          "channel": "@mayaonmoney",
          "duration": "14:32",
          "background_colour": "#3B1D8F",
          "accent_colour": "#D4FF3F"
        },
        "image": {
          "width": 1280,
          "height": 720
        }
      }
    }
  }
}