Visual Assets & Diagrams
Create shareable visual assets in the browser — QR codes, barcodes, signatures, pixel art, Venn diagrams and ratio/DPI helpers. Use QR/Barcode generators for scannable codes, the Signature and Pixel Art makers for graphics, and Aspect Ratio/DPI for sizing exports.
9 free tools — no downloads, no sign-up.
Aspect Ratio Calculator
Aspect ratio calculator. YouTube, Instagram, TikTok presets.
Barcode Generator
CODE128, EAN-13, UPC barcodes. Download SVG/PNG.
DPI & PPI Calculator
Calculate screen pixel density. For designers and developers.
Favicon Generator
Design pixel-perfect favicons free online. Draw on a 32×32 canvas with 16 templates, preview at all favicon sizes, and export as PNG or real ICO. No upload required.
Meme Generator
Create classic memes with Impact-style text on Canvas. Upload your own image up to 10MB or pick from 6 templates. Customize text, font, color, outline, then export as PNG or copy to clipboard. Free, no sign-up, no watermark.
Pixel Art Maker
Draw pixel art on a customizable grid. 24-color palette, 3 grid sizes, click-and-drag drawing, and PNG export. Free, no sign-up.
QR Code Generator & Scanner
Create and scan QR codes instantly. No app needed.
Signature Generator
Create a beautiful handwritten signature. Download as PNG.
Venn Diagram Maker
Create beautiful 2-circle and 3-circle Venn diagrams. Customize colors, labels, and intersection text. Export as SVG or PNG. Free, no sign-up.
Frequently asked questions
Can I download the output?
Yes, generated assets such as QR codes and signatures can be saved as image files.
Is the QR code generator free?
Yes, all generation is free and runs locally with no watermark.
What is the Aspect Ratio tool for?
It calculates matching dimensions so images and video keep the correct proportions.