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Outilix: all your free online tools, one click away, with Kroma the chameleon

YouTube banner maker and Facebook cover designer

Kroma

Pick a template, type your channel name and tagline, then keep everything inside the 1546×423 px safe area, the only part visible on every screen. The full YouTube channel art size is 2560×1440 px and a Facebook cover is 851×315 px. Designing and previewing is free; the sharp file downloads after checkout.

  • ✅ Free
  • 🔒 No sign-up
  • 📱 Works on mobile
  • ⚡ Instant results

Design for free with a full preview. Clean, watermark-free download: $2.49, one-time payment, no account.

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🔒 Everything runs in your browser. Your data and files never leave your device.

YouTube banner size and safe area

YouTube shows the same image differently on each screen. The full file is 2560 × 1440 px (minimum 2048 × 1152 px, maximum file size 6 MB). Only the center shows everywhere, so keep your name, logo and tagline inside the 1546 × 423 px safe area.

ScreenVisible areaWhat gets cropped
TV2560 × 1440 pxNothing
Desktop2560 × 423 pxTop and bottom
Tablet1855 × 423 pxTop, bottom and sides
Phone (safe area)1546 × 423 pxEverything else

The colored guides in the preview mark these zones: the safe area is the brightest, the others are dashed.

Facebook cover photo size and safe area

Build a Facebook cover at 851 × 315 px. Facebook displays it at 820 × 312 px on desktop and 640 × 360 px on mobile, where the sides are cropped. Keep text in the middle section, about 560 px wide.

WhereFile sizeDisplayed as
Page or profile cover851 × 315 px820 × 312 px (desktop)
Same cover on mobile851 × 315 px640 × 360 px, sides cropped

Use the size menu to switch formats: the editor rescales your elements and rebuilds the template.

Make your banner in four steps

  • Pick a template from the eight starters, then a color palette.
  • Fill in your content: name, tagline, upload schedule, handle and icon.
  • Fine-tune by hand: drag each element, change the font, add an image from your computer or an icon.
  • Check the guides, then download the sharp file as a JPG (under 6 MB) or a PNG.

Your images stay in your browser while you design. The design is saved on your device and is there when you come back.

3 real-life examples

1

A cooking channel

“Bold” template, Sunset palette. The name “Emma’s Kitchen” fits on one line of about 1,200 px inside the 1546 px safe area. The “New video every Friday” schedule becomes an orange pill.

2

A Facebook page for a shop

851 × 315 px, “Centered light” template. The shop name is centered, so it stays visible when mobile crops the sides. A phone shows the middle 560 × 315 px.

3

A gaming channel

“Neon” template at 2560 × 1440 px, uppercase text with an outline. The tagline stays inside the 423 px useful height at the center, and the decorative circles sit at the edges where TV screens show them.

Frequently asked questions

What size is a YouTube banner?
2560 × 1440 pixels with a 6 MB maximum file size. The minimum accepted is 2048 × 1152 pixels. Put important text in the central 1546 × 423 pixel safe area.
Why is my YouTube banner cropped?
YouTube crops the image per device: desktop, tablet, phone and TV each show a different part. Anything outside the 1546 × 423 pixel safe area can disappear on some screens.
What size should a Facebook cover photo be?
Make it 851 × 315 pixels. Facebook shows it at 820 × 312 on desktop and 640 × 360 on mobile, with the edges cropped. A lighter file loads faster.
Can I use my own photos and logo?
Yes. Add an image from your device, move it, zoom in and round its corners. The image is not uploaded to a server while you design.
Should I download a JPG or a PNG?
JPG is the safest way to stay under YouTube’s 6 MB limit. PNG keeps text and flat colors crisper, but it can get heavy when the design has a photo.

How we calculate

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