Image Resizer - Resize Image Online Free - JPG PNG WEBP

Image Resizer - Resize JPG PNG WEBP

Pixels / Percent - Aspect Lock - HD - Offline - No Watermark

Drag & Drop Image or Click to UploadJPG PNG WEBP GIF - 100% private, no server upload
Original Preview
Resized Preview
Live resize - low RAM

What is Image Resizer?

Image Resizer is a free online tool that changes image dimensions by pixels or percent without losing quality. Supports JPG PNG WEBP GIF and works 100% offline via Canvas. Your photos never leave browser, perfect for private and client work. Resize to 800x600, 1080x1080 for Instagram, 1280x720 for YouTube, 35x45mm passport and more.

Why Huge Traffic?

Keyword "image resizer" gets 1.2M searches monthly, CPC $3-$6. Every platform has different size rules. Instagram 1080x1080, YouTube 1280x720, Amazon 2000x2000, job forms need exact pixels. Global users in USA UK Europe India search daily. High intent, evergreen, advertisers pay high for hosting and design tools.

Features - Preview + Download Fixed

Fixed 2 buttons at bottom always visible. Preview opens full HD modal with size info. Download saves instantly with name resized-WxH.jpg. Other: Drag & Drop, pixels + percent, lock aspect ratio, JPG PNG WEBP conversion, quality 10-100%, white background for JPG, original vs resized comparison, file size display, mobile responsive, offline Canvas, no watermark, no signup. Lite version uses createObjectURL and toBlob for 2x speed.

How to Use

  • Step 1: Drop image or click upload.
  • Step 2: Choose By Pixels for exact size or By Percent for quick scale. Keep Lock checked.
  • Step 3: Choose format Original/JPG/PNG/WEBP and quality 90% for HD.
  • Step 4: Click Resize Now. Right side shows result instantly.
  • Step 5: Use fixed Preview to check full size, fixed Download to save.

Real Uses

Social: 1080x1080 Instagram, 1080x1920 story. E-commerce: 2000x2000 for Amazon. SEO: Resize 5000px to 1200px + 80% quality to boost PageSpeed. Forms: Passport visa portals need exact pixels then use Compress Image to 100KB. Design: Logos without blur.

Why Our Tool Best?

Others upload to server, add watermark, limit uses. Ours: 100% offline, no upload, unlimited, works on low phones, supports WEBP, fixed buttons work on mobile. Lite code loads under 1 sec, uses less RAM by revoking object URLs.

Related Tools

Compress Image to 100KB, JPG to PNG Converter, Image Cropper, Image to PDF, Merge PDF

FAQs

Q: Quality loss? Canvas high quality scaling. 90% keeps HD.

Q: Upload to server? No, offline only.

Q: Exact 100KB? Resize then use Compress to 100KB tool.

Q: Aspect ratio? Lock on by default.

Q: PNG to JPG? Yes, select JPG, white background auto added.

Preview - HD