Toolser
Small tools for big ideas.
Design
Aspect Ratio Calculator
Calculate matching image and video dimensions for 16:9, 4:3, square, portrait, cinema, and custom aspect ratios.
Open Graph Previewer
Preview Twitter, Discord, Telegram, and LinkedIn cards and generate an Open Graph meta-tag snippet.
Placeholder Generator
Create downloadable SVG placeholders and data URIs with custom dimensions, colors, labels, and font size.
Glassmorphism Generator
Tune blur, transparency, saturation, radius, borders, and shadows to generate glassmorphism CSS.
PX to REM Converter
Convert px to rem and em with a custom base font size and copy a handy 1–64px lookup table.
Screen Ruler
Measure screen distances with a calibrated horizontal or vertical ruler and credit-card reference.