Modification & Resizing

Can I change aspect ratio online free?

Yes! You can change aspect ratio online for free using browser-based tools. No software installation or payment needed.

Best Free Online Tools:

For Images:

Pixlr.com (Best Overall)

  • Free image editor
  • Canvas size tool
  • Batch processing available
  • Works on any device
  • No account needed (optional)

Photopea.com (Best Photoshop Alternative)

  • Browser-based Photoshop
  • Full editing capabilities
  • Professional tools
  • Free to use
  • No install needed

Canva.com (Best for Design)

  • Free design tool
  • Pre-set aspect ratios
  • Easy drag-and-drop
  • Good for social media
  • Templates included

Resizeimage.net

  • Simple image resize
  • Aspect ratio calculator
  • Bulk upload
  • Fast results
  • Completely free

For Videos:

Kapwing.com (Best Overall)

  • Free video resizer
  • Preset aspect ratios
  • Upload limit: Usually 60 minutes free
  • Works in browser
  • No watermark on some features

Ezgif.com (Best for GIFs)

  • Resize video/GIF
  • Aspect ratio change
  • Completely free
  • Simple interface
  • No watermark

Clideo.com

  • Video aspect ratio changer
  • Free tier available
  • 100MB file limit
  • Good quality
  • Simple process

Clipchamp.com (Best Quality)

  • Professional video editor
  • Free tier available
  • Aspect ratio presets
  • Good quality output
  • Some features paid

For Both Images & Videos:

Canva.com

  • Works for images and videos
  • Free tier available
  • Preset aspect ratios
  • Design templates
  • Social media optimization

How to Use These Tools:

Pixlr (Image):

  1. Go to pixlr.com
  2. Click "Open"
  3. Upload your image
  4. Image → Canvas Size
  5. Set new dimensions
  6. Choose background color
  7. Flatten
  8. Download

Kapwing (Video):

  1. Go to kapwing.com
  2. Click "Resize"
  3. Upload video
  4. Select target aspect ratio
  5. Preview
  6. Download

Photopea (Professional):

  1. Go to photopea.com
  2. File → Open
  3. Upload image
  4. Image → Canvas Size
  5. Set dimensions
  6. Layer → Flatten Image
  7. File → Export

Free Tier Limitations:

Pixlr:

- ✅ Completely free

- ✅ No watermark

- ✅ All features

- File limit: Usually 10MB

Photopea:

- ✅ Free editor

- ✅ No watermark

- Bandwidth limits apply

- All features included

Canva:

- Free tier available

- ✅ No watermark

- Some templates paid

- Free templates included

Kapwing:

  • Free tier available
  • Some features limited
  • Possible watermark on free tier
  • 60 minutes upload limit

Clipchamp:

  • Free tier available
  • Watermark on free tier
  • Some features paid
  • Good quality free export

Ezgif:

- ✅ Completely free

- ✅ No watermark

- ✅ All features

- ✅ No registration needed

Comparison of Best Free Tools:

ToolTypeFreeWatermarkQualityEase
PixlrImageYesNoExcellentEasy
PhotopeaImageYesNoExcellentMedium
CanvaBothPartialNoGoodVery Easy
KapwingVideoPartialSometimesGoodEasy
EzgifVideo/GIFYesNoGoodEasy
ClipchampVideoPartialYesExcellentVery Easy

Step-by-Step for Each Tool:

Pixlr (Most Recommended):

  1. Open pixlr.com
  2. Click "Open" or "Create"
  3. Upload your image
  4. Click "Image" menu
  5. Select "Canvas Size"
  6. Change width/height
  7. Select background color
  8. Click "OK"
  9. File → Download
  10. Done!

Kapwing (Video):

  1. Go to kapwing.com
  2. Click "Create" → "Resize"
  3. Drag/upload video
  4. Select aspect ratio (9:16, 1:1, 16:9, etc.)
  5. Preview
  6. Click "Export"
  7. Download

Canva (Social Media):

  1. Go to canva.com
  2. Create new design
  3. Choose template or custom size
  4. Upload image
  5. Resize to fit
  6. Download
  7. Done!

What You Can Do For Free:

  • Change aspect ratio
  • Resize images/videos
  • Add borders/padding
  • Change background color
  • Download full quality
  • No watermark (most tools)
  • Unlimited edits
  • No account needed (most)
  • Works on mobile and desktop

What Usually Costs Money:

  • Advanced filters (some)
  • Premium templates
  • Large file uploads (some)
  • Batch processing (some)
  • Priority support
  • No watermark (some)
  • Advanced features

Mobile-Friendly Free Tools:

All listed tools work on mobile:

  • Responsive design
  • Touch-friendly
  • No app needed
  • Works in browser
  • Full features available

Best for Each Situation:

Need quick image resize:

→ Use Pixlr (fastest)

Professional image editing:

→ Use Photopea (best quality)

Social media video:

→ Use Kapwing (easiest)

Design with templates:

→ Use Canva (most creative)

Simple video resize:

→ Use Ezgif (no fuss)

Pro Tips for Free Tools:

Tip 1: Download First Try

  • Always download and test
  • Check file size
  • Verify quality before using

Tip 2: Use Right Tool for Job

  • Image tools for images
  • Video tools for videos
  • Don't force one tool

Tip 3: Keep Originals

  • Always keep original files
  • Download as new file
  • Don't overwrite

Tip 4: Check File Size

  • Free tools may have limits
  • Keep files under limits
  • Compress if needed

Tip 5: No Watermark Needed

  • Most free tools don't add watermark
  • Check before use if important
  • Read tool description

When You Might Need Paid:

  • Very large files (100MB+)
  • Batch processing many files
  • Advanced effects
  • Professional-grade output
  • Priority support
  • Guarantee no watermark

For Most Users:

Free tools are perfect! 95% of needs covered by free versions.

Key Takeaway:

Yes, you can absolutely change aspect ratio online for free. Use Pixlr for images or Kapwing for videos. No software installation, no payment, no watermarks. All free tools listed are reliable, safe, and completely functional for aspect ratio changes.

Ready to Calculate Aspect Ratios?

Use our free aspect ratio calculator to find the perfect dimensions for your project.

Try the Calculator