About
A clean, free browser tool for aspect ratio math — no account, no tracking, no clutter.
What It Does
- →Find Ratio — enter any width and height to get the simplified aspect ratio (e.g. 1920×1080 → 16:9).
- →Find Size — enter a ratio and one dimension to calculate the missing value proportionally.
- →Resize — scale any original dimensions to a target width or height while preserving the ratio.
- →Social media presets — one-click buttons for YouTube, Instagram, TikTok, Twitter/X, Facebook, and LinkedIn standard sizes.
- →Image detection — upload or drop any image to read its native dimensions and simplified ratio instantly.
Why We Built This
Most online aspect ratio tools are slow, cluttered with ads before you even see the calculator, or require multiple steps to get a simple answer. We built this to be the tool we always wanted: fast, single-page, and comprehensive — with everything visible without scrolling.
All calculations run entirely in your browser using standard math. No data is sent to any server. No sign-up is needed. The tool works offline once the page has loaded.
Who It's For
Video editors, graphic designers, web developers, social media managers, and anyone who regularly needs to calculate dimensions for different screens, exports, or platforms. Whether you're sizing a YouTube thumbnail, setting up an Instagram story, or scaling a video for a presentation — this tool covers the math.