In Browser - Image Resizer to fit 1920x1200 box

Drag or open image. It is resized and a border is added.

large x1 ( 1920x1200 ) mid x0.5 small x0.25 filters:
constrast: &percent; Css Filter info

- or drag image on top of the button.

Resized image - Right click and copy to email

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In Browser - Image NOT uploaded to server.

https://developer.mozilla.org/en-US/docs/Web/CSS/filter-function/blur
https://developer.mozilla.org/en-US/docs/Web/CSS/filter-function/grayscale
https://developer.mozilla.org/en-US/docs/Web/CSS/filter#invert 
https://developer.mozilla.org/en-US/docs/Web/CSS/image-orientation

/* URL to SVG filter */
filter: url("filters.svg#filter-id");

/*  values */
filter: blur(5px);
filter: brightness(0.4);
filter: contrast(200%);
filter: drop-shadow(16px 16px 20px blue);
filter: grayscale(50%);
filter: hue-rotate(90deg);
filter: invert(75%);
filter: opacity(25%);
filter: saturate(30%);
filter: sepia(60%);

/* Multiple filters */
filter: contrast(175%) brightness(3%);

/* Use no filter */
filter: none;

/* Global values */
filter: inherit;
filter: initial;
filter: revert;
filter: revert-layer;
filter: unset;