Resize Image for YouTube Thumbnail (1280×720)

Create a pixel-perfect YouTube thumbnail at 1280×720 in your browser. No design software needed.

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Use it right here — already set up for this task

Redimensionador de Imágenes

Redimensione Imágenes Online

Redimensione imágenes a dimensiones personalizadas o ajustes preestablecidos para redes sociales. Funciona en su navegador - sin necesidad de subida.

Haga clic para subir o arrastre y suelte

PNG, JPG, WebP (máx. 50MB)

Suba una imagen para comenzar

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Acerca del Redimensionador de Imágenes

Nuestra herramienta gratuita de redimensionamiento de imágenes le permite redimensionar imágenes a cualquier dimensión personalizada o elegir entre ajustes preestablecidos populares para redes sociales. Perfecto para optimizar imágenes para Instagram, Facebook, Twitter, YouTube y más.

Características:

  • Controles de ancho y alto personalizados
  • Opción de mantener relación de aspecto
  • Ajustes preestablecidos rápidos para plataformas de redes sociales
  • Soporte para formatos PNG, JPG y WebP
  • Funciona completamente en su navegador - las imágenes nunca se suben a servidores
  • Completamente gratis sin registro ni marcas de agua

Estándares y Referencias

Última actualización: 2026-03-10

Why this matters

YouTube recommends 1280×720 px (16:9 aspect ratio) at under 2 MB for thumbnails. Uploading the wrong size forces YouTube to stretch or crop your image, which blurs text, cuts off faces, and reduces click-through rates. Getting the dimensions right before uploading costs 30 seconds and can meaningfully improve how your video performs in search results.

Step by step

  1. 1
    Open the Image Resizer
    Drop in the photo you want to use as your thumbnail.
  2. 2
    Enter 1280 × 720
    Type the dimensions or pick the YouTube thumbnail preset if available.
  3. 3
    Choose fit mode
    Pick "fill" to match exactly 1280×720, or "fit" to keep the aspect ratio and add padding.
  4. 4
    Adjust the crop
    Drag the crop area so the focal point (face, title text zone) is well-framed.
  5. 5
    Download
    Save as JPG for the smallest file size, or PNG if the thumbnail includes sharp text or graphics.

Frequently asked questions

What is the recommended YouTube thumbnail size?

1280×720 pixels (16:9), maximum 2 MB, JPG, PNG, GIF, or BMP format.

Can I upload a 1920×1080 thumbnail instead?

Yes — YouTube accepts it and will downscale. But 1280×720 is the sweet spot: it's sharp in all YouTube placements without unnecessary file size.

What's the best file format for a YouTube thumbnail?

JPG for photo-heavy thumbnails (smaller file, looks great). PNG if your thumbnail has text overlay or sharp graphics that suffer from JPG artifacts.

Is the thumbnail resized on your servers?

No. Resizing runs in your browser. Nothing is sent to a server.

YouTube compressed my thumbnail and it looks blurry — what happened?

YouTube re-encodes thumbnails at their servers. A high-contrast image with sharp edges before upload helps survive their compression. Start from a high-resolution original.

Can I resize multiple thumbnails for different videos at once?

Use the Batch Photo Editor to resize many images to 1280×720 in one pass.

Try Image Resizer now
Free, private, no signup. Runs in your browser.
Open Image Resizer

Further reading

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