Guide
Add custom thumbnails on YouTube
YouTube · support.google.com
YouTube's own specification: 3840 x 2160 for videos and 2160 x 3840 for Shorts, a 640-pixel minimum, JPG or PNG, the file-size limits, and the verified-account rule.
The question it answers
Read with it
- How to test up to 3 titles or thumbnails in YouTube Studio; the one with the highest watch time is shown to everyone, and who... support.google.com Guide A/B test titles and thumbnails YouTube
- A free browser editor with layers, masks and blending that opens and saves PSD files, enough to build a thumbnail from scratch. photopea.com Tool Photopea Photopea
- Ideogram's image models, built to get the words in an image right; every plan, free included, can use all of them. docs.ideogram.ai Guide Ideogram models Ideogram
- How to make a background or edit your own photo by describing it, free in the Gemini app. support.google.com Guide Generate and edit images with Gemini Apps Google
- Includes a tested review of Canva as an all-in-one design platform, with its free plan and Pro at $12 a month billed yearly. zapier.com Article The 6 best AI presentation makers in 2026 Zapier (Miguel Rebelo)
- Hands-on comparison of ChatGPT, Nano Banana, Midjourney and others, including how well each now renders text for posters and... zapier.com Article The 6 best AI image generators in 2026 Zapier (Harry Guinness)
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