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Convert pixels to centimeters or centimeters to pixels using a custom PPI value for screen design, image sizing, and print preparation.

Convert between pixels and millimeters based on PPI density. Supports custom density values, ideal for UI design and print layout.

A bidirectional PX to REM converter for front-end developers and designers, featuring customizable root font sizes.

A pixel (PX) to point (PT) unit conversion tool for designers and developers. Supports custom PPI for typography and layout adaptation.

Provides controllable random color generation for designers and developers, supporting multiple formats and hue filtering.

Two-way RGB and HSB/HSV color code converter supporting multiple input formats. Ideal for designers and developers.

Two-way conversion between RGB and CIELab color spaces, providing precise color mapping for designers and developers.

Enter data to generate 1D barcodes like EAN-13 and Code 128. Export PNG, JPEG, or SVG images for printing and scanning.

Convert pixels to inches based on screen PPI. This free two-way converter (px to in and in to px) is perfect for graphic design, printing, and front-end web development.

Convert physical dimensions of ISO 216 standard paper sizes (A0-A13) to pixel values at a specified DPI/PPI for design, printing, and screen adaptation.

Encode text, links, and other information into scannable QR code images with customizable error correction levels and colors.

Quickly check ISO 216 standard A-series paper sizes from A0 to A13. View accurate dimensions in both millimeters and inches with aspect ratio references.

A pixel and EM unit converter for front-end developers featuring custom base font sizes and real-time two-way conversion.

Professional bidirectional RGB and CMYK color code converter. Fix screen-to-print color shifts and get accurate, real-time conversion results.

Convert pixel values to percentages based on root font size. Ideal for CSS responsive design and fluid layouts.

A two-way converter for RGB and XYZ color codes, ideal for web design and image processing.

Generate professional website color palettes instantly. Get matching color schemes, HEX and RGB codes, and design suggestions for your web projects.

Decode a supported legacy sinaimg filename prefix into a numeric candidate and possible profile link.

Free online solid color image generator for any color and size, supports PNG/JPG download, perfect for placeholder images and background creation.

Convert RGB and HEX color codes online. Get accurate color conversions for designers and developers.