Image Resizer
Resize images to any size
Browser-only processing
Files are processed in your browser — nothing is uploaded.
Resize by:
Drop images to resize (multiple allowed)
Related tools
More browser-based tools for this workflow.
What this tool does
Resize JPG, PNG, and WebP images by pixel dimensions or percentage. Aspect-ratio lock and no-enlarge guard included.
Image Resizer is a free image utility that gets the job done without installing software or creating an account. The whole process runs inside this browser tab, so your input never leaves your device. Common searches that land here include image tool, resize image.
Key features
- Resize by exact pixel dimensions or by percentage (1–400%)
- Aspect-ratio lock and a No-enlarge guard so small images stay sharp
- Batch queue with per-file status, original/output dimensions and ZIP download
- Output as PNG, JPG, WebP, or keep the source format
- All resizing happens on a local canvas — no upload, no signup
Common use cases
- Generating uniform thumbnails for a catalogue or photo gallery
- Bringing oversized phone photos down to a CMS or marketplace limit
- Scaling assets to specific dimensions for email signatures or banners
Things to know
- HEIC/HEIF and RAW camera files are not supported — convert to JPG/PNG first
- Animated formats (GIF, animated WebP) are flattened to a single frame
- Very large images (>50 MP) may take a few seconds on mobile devices
Privacy & local processing
Image Resizer processes everything inside your browser — your files and text are never uploaded to a server, never logged, and never shared with third parties.How to use Image Resizer
- 01
Drop one or more images.
- 02
Choose By pixels (width/height + aspect lock) or By percentage (1–400%).
- 03
Run Resize, then download individually or as a ZIP.
Frequently asked questions
Is my data uploaded anywhere?
No. Every tool on WebToolsLabs runs entirely inside your browser. Your data never leaves your device.
Is this tool free?
Yes. All tools on WebToolsLabs are 100% free with no signup, no watermarks, and no usage limits.