Image Resizer
Exact pixel dimensions with an aspect-ratio lock — perfect for forms, portals and social sizes.
Quick answer: Free image resizer: resize photos to exact pixel dimensions with aspect-ratio lock. Choose JPG, PNG or WebP output. Private, no upload.
How to use
- Open this page on any device — no signup needed.
- Fill in the fields above.
- Get your result instantly — nothing is uploaded.
About this tool
Resizing changes an image's pixel dimensions without uploading it anywhere. Lock the aspect ratio to avoid stretching. Common uses: profile photos (e.g. 400×400), form uploads with dimension rules, email attachments and social media crops. Output formats: JPG (photos), PNG (graphics with text), WebP (smallest files).
FAQ
Will resizing reduce quality?
How do I keep proportions?
Is any image uploaded?
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The complete image resizer guide
Prefer the long version — a worked example, the mistakes people actually make, and answers to real questions? The blog guide Image Resizer — Complete Guide, Mistakes & FAQ covers all of it step by step.
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