Twitter/X Header Resizer — Crop Headers Offline
Crop and fit images to official 1500x500 pixels Twitter/X header guidelines. Apply solid background fills or blurred backdrops 100% locally.
Upload Photo for Twitter/X Header
Supports JPEG, PNG, and WebP. Works 100% locally in browser memory.
How X Header Resizer Works
Format and layout cover photos in three easy steps.
Load Header Photo
Select a custom background. Files are loaded securely inside browser canvas cache.
Fit and Align Image
Choose to crop to header ratios (1500x500) or fit image with blurred backgrounds.
Export Header Layout
Download the formatted Twitter/X header background instantly. 100% offline workflow.
GENERATE PROFESSIONAL TWITTER/X HEADERS
Crop and format your profile background graphic to the official 3:1 X header aspect ratio.
100% OFFLINE CLIENT-SIDE SAFETY
Your background images are modified locally inside your web browser. No files are uploaded to any server.
STANDARDIZED TWITTER/X RATIOS
Automatically maps your dimensions to the correct 1500x500 pixels profile background standard.
SMOOTH POSITIONING & BLURS
Drag your photo inside the viewport, rotate, and scale to fit perfectly. Add custom margins or blurred backdrops.
FREQUENTLY ASKED QUESTIONS
Answers to common questions about Twitter/X background covers.
Q.WHAT IS THE RECOMMENDED TWITTER/X HEADER SIZE?
The standard X header size is 1500 x 500 pixels, which has an aspect ratio of exactly 3:1.
Q.WILL MY GRAPHIC BE UPLOADED TO ANY SERVER?
No. The image resizing tool is entirely local. No data leaves your computer.
Q.HOW CAN I ADJUST THE CROP OR CENTER THE GRAPHIC?
Upload the photo, then drag the image inside the 3:1 viewport. Use the zoom slider to scale or rotate it.
Q.WHAT IS BLURRED BACKDROP MODE?
Fit Background mode scales your image to fit the container without cropping. It adds solid color or a blurred, dimmed copy of your photo to cover the unused space.