Toolio

Image Tools

Canvas-based image utilities for resize, format conversion, rotation, color work, and QR codes. Files are processed in the tab and never uploaded.

12 tools · processed in your browser

QR Code Generator

Image Tools

Turn text or a URL into a QR code you can download, without sending the payload to a printer API.

210k uses

Color Picker

Image Tools

Sample and copy HEX, RGB, and related values so palettes stay consistent across UI and CSS work.

167k uses

Image Resizer

Image Tools

Resize a picture to target dimensions in the canvas so thumbnails and social crops stay local.

158k uses

Image Format Converter

Image Tools

Convert a picture between common web formats in the browser without installing a desktop suite.

141k uses

Placeholder Image Generator

New

Image Tools

Create labeled placeholder images at a chosen size so mockups can ship before final art arrives.

38k uses

HEX to RGB

Image Tools

Convert a HEX color into RGB channels so CSS, canvas code, and design tokens stay in sync.

89k uses

RGB to HEX

Image Tools

Turn RGB channels into a HEX string for CSS variables, design tokens, and developer handoff notes.

87k uses

Contrast Checker

Image Tools

Score foreground and background contrast so text color pairings are easier to defend in reviews.

123k uses

Color Palette Generator

Image Tools

Build a small color set from a seed swatch so mockups and tokens start with related hues.

99k uses

Image Rotator

Image Tools

Rotate a picture by common angles in the canvas so sideways phone shots stand upright quickly.

78k uses

Image Flipper

Image Tools

Mirror an image horizontally or vertically for mockups, stickers, icons, and layout experiments.

52k uses

CSS Gradient Generator

Image Tools

Design a CSS gradient with live preview and copy the background snippet into your stylesheet.

118k uses

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