Resize Image
About this Tool
Fast, all-in-one image resizing tool to reduce image dimensions by percentage (%) or compress images to stay strictly under a target file size (KB/MB). Features convenient 100KB, 300KB, 500KB, and 1MB presets for government, visa, and job applications, plus custom file size inputs. High-precision binary search algorithms ensure maximum visual clarity without exceeding your file size limit—processed 100% locally in your browser.
Processed safely on your device
Everything happens in your browser on this device. Your files are never sent to our servers—so you can use it with peace of mind.
How to Use
Select one or multiple image files (PNG, JPG, WebP, etc.).
Choose your resizing mode: scale by percentage (%) or specify a target file size (100KB, 300KB, 500KB, 1MB, or custom KB).
Select your output format (JPG, PNG, WebP) and click download to convert with live progress tracking.
Key Scenarios & Use Cases
Government, Visa & Application Portals
Fit exact file size limits (e.g. under 300KB or 500KB) for online passport, visa, resume, and application uploads in seconds.
Optimizing Web & Blog Load Speed
Batch reduce high-resolution smartphone and camera photos by 50% or 75% to speed up web pages and reduce bandwidth.
Email Attachments & Messaging
Batch resize multiple large photos into lightweight files and download them as a ZIP archive for easy sharing.
Frequently Asked Questions (FAQ)
No. The intelligent binary search optimizer calculates the highest possible quality and resolution that stays under your target size, preventing unnecessary quality loss.
Yes. Each image's original dimensions and size are recognized individually, scaling each proportionally or to the target file size.
Yes. When exporting as PNG or WebP, full alpha transparency is preserved without turning black or white.
No. All resizing and compression calculations run 100% locally in your browser's Canvas. Your photos never leave your device.