Image Optimizer
A practical browser-local image compressor for launch pages, docs and product screenshots. It decodes the image into Canvas, resizes with a bounded max width and exports through native browser encoders.
runtime
Browser-local execution
Inputs stay inside the current tab unless you copy, download or explicitly export.
memory
Session handoff
Magic Paste can pass input to a target tool through sessionStorage, never through the URL.
control
User-owned state
Favorites, recent tools and workflow history are local browser data you can clear from the browser.
smart handoff graph
session handoff readySuggested next moves
/media
Responsive Image Builder
Generate srcset, sizes and picture markup from an image delivery plan.
/media
LQIP Placeholder Generator
Create tiny blurred image placeholders as Data URLs for perceived performance.
/media
Palette Extractor
Extract dominant colors from images as HEX, OKLCH, CSS variables and Tailwind tokens.
/media
Favicon & App Icon Builder
Generate modern PNG favicon and app icon sizes from one source image.
sponsor
Sponsor this toolFixed native slots for developer products. No third-party tracking, no popups, no layout shift.
01
How to use
- 01Choose output format, quality and max width.
- 02Select a local image file.
- 03Review size savings and download the optimized copy.
02
FAQ
- Does it upload images?
- No. Decoding, resize and export run in browser memory.
03
Related tools
- /media→Responsive Image BuilderGenerate srcset, sizes and picture markup from an image delivery plan.
- /media→LQIP Placeholder GeneratorCreate tiny blurred image placeholders as Data URLs for perceived performance.
- /media→Palette ExtractorExtract dominant colors from images as HEX, OKLCH, CSS variables and Tailwind tokens.
- /media→Favicon & App Icon BuilderGenerate modern PNG favicon and app icon sizes from one source image.