Image Tool

Thumbnail Maker Online Free

Create image thumbnails online for free. Resize to 200px or custom size — perfect for previews and galleries.

Create small preview images for galleries, listings, and social media. Set a custom size or use the 200px preset.

Encrypted in transit · Auto-deleted after 60 min

Drag & drop your files

or click to browse from your device

JPG · JPEG · PNG · WEBP

Settings

Upload a file above to enable processing

How to create a thumbnail online

  1. 1Upload your image.
  2. 2Set the thumbnail size (default 200px longest side).
  3. 3Click Process file.
  4. 4Download the small thumbnail.

Why use this tool

  • JPG, PNG, and WebP supported
  • Instant processing and download
  • 100% free — no signup, account, or watermarks
  • Files automatically deleted after processing
  • Works on desktop, tablet, and mobile browsers

Common use cases

  • Create preview images for galleries
  • Generate small icons from large photos
  • Prepare compact images for listings

Privacy and file safety

Files uploaded to Create Thumbnail are transferred over HTTPS, processed on our servers, and automatically deleted after 60 minutes. We never share your files with third parties or use them for training. No account is required.

Supported formats and limits

.JPG, .JPEG, .PNG, .WEBP files up to 25 MB

Maximum file size: 25 MB per file · Retention: files deleted after 60 minutes · No signup or watermarks · Free to use — supported by ads

Frequently Asked Questions

Is this tool free to use?
Yes, all tools are completely free with no signup required. The site is supported by ads.
Are my files safe?
Yes. Files are processed securely and automatically deleted after a short retention period. We never share your files with third parties.
What is the maximum file size?
You can upload files up to 25MB per file.
What size is the thumbnail?
By default the longest side is resized to 200 pixels while keeping aspect ratio.
View all Image tools →