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The most secure, privacy-first image resizer. Resize JPG, PNG, WebP & GIF entirely in your browser using HTML5 Canvas. No images are sent to any server — your photos never leave your device.

100% خاص معالجة فورية بدون علامات مائية JPG · PNG · WebP · GIF مجاني دائمًا

Upload an image

اسحب وأسقط صورك هنا

أو انقر للتصفح · الصق بـ Ctrl+V · يدعم ملفات متعددة

JPG PNG WebP GIF

How to Resize an Image Online

  1. Upload your image

    Drag & drop, click to browse, or paste from clipboard with Ctrl+V.

  2. Set target dimensions

    Enter width & height in pixels, or use the percentage slider. Toggle aspect ratio lock to prevent distortion.

  3. Download your image

    Pick output format (JPG, PNG, WebP), set quality, then click Download — done!

Why Choose Resizo?

100% خاص

All processing happens in your browser. Images are never uploaded to any server.

Instant & Fast

No waiting for uploads or server processing. Results appear in milliseconds using the Canvas API.

Bulk Resize

Resize multiple images at once and download them all as a ZIP file in one click.

Quality Control

Fine-tune output quality with a slider. Preview before/after with the built-in comparison tool.

Works on Mobile

Fully responsive, works on any smartphone or tablet — no app installation required.

Format Conversion

Input JPG, PNG, WebP, or GIF. Export as JPG, PNG, or WebP — with full format conversion.

Standard Image Sizes for Every Platform

Use Resizo to resize your images to the exact pixel dimensions required by each platform.

Instagram
  • Post (Square)1080 × 1080 px
  • Portrait Post1080 × 1350 px
  • Story / Reel1080 × 1920 px
دليل أبعاد Instagram الكامل ←
YouTube
  • صورة مصغرة1280 × 720 px
  • Channel Art2560 × 1440 px
  • Profile Picture800 × 800 px
دليل أبعاد YouTube الكامل ←
Facebook
  • Cover Photo820 × 312 px
  • Post Image1200 × 630 px
  • Profile Picture180 × 180 px
دليل أبعاد Facebook الكامل ←
Twitter / X
  • Post Image1200 × 675 px
  • Header Photo1500 × 500 px
  • Profile Picture400 × 400 px
دليل أبعاد Twitter/X الكامل ←
LinkedIn
  • Post Image1200 × 627 px
  • Cover Photo1584 × 396 px
  • Profile Picture400 × 400 px
دليل أبعاد LinkedIn الكامل ←
WhatsApp
  • Profile Photo640 × 640 px
  • Shared Image (max)1600 × 900 px
  • Status Image1080 × 1920 px
دليل أبعاد WhatsApp الكامل ←

Frequently Asked Questions

Is Resizo free to use?
Yes, Resizo is completely free. There are no sign-ups, subscriptions, or watermarks — ever.
Is my image uploaded to a server?
No. All image processing happens entirely in your browser using the HTML5 Canvas API. Your images never leave your device.
Does resizing an image reduce its quality?
Resizo uses high-quality bicubic interpolation via the Canvas API to minimise quality loss. You can also control the output quality with the quality slider for JPG and WebP formats.
What image formats does Resizo support?
Resizo supports JPG, PNG, WebP, and GIF as input formats. You can export your resized image as JPG, PNG, or WebP.
Can I resize images on mobile?
Yes. Resizo is fully responsive and works on any modern smartphone or tablet browser — iOS Safari, Android Chrome, and others. No app installation required.
Can I resize multiple images at once?
Yes! You can upload multiple images at once. Apply the same dimensions to all images with "Apply to All", then download everything as a single ZIP file.