Browser-based utilities

Research Tools

Small, focused tools for scientific writing and figure preparation. Processing happens locally in your browser.

Writing · Japanese · English

Text Counter

Count Japanese characters and English words as you type, and check how much room remains within a character or word limit.

Open Text Counter

LaTeX · SVG · PDF · PNG

Render a LaTeX equation and export it as a scalable SVG, a vector PDF, or a high-resolution transparent PNG.

Viridis · HEX · Scientific figures

Create sequential, diverging, cyclic, and categorical palettes for scientific figures and data visualisation.

Pixels · DPI · PNG · JPEG

Check publication resolution and resize raster figures to an exact print width and DPI without uploading the image.

Granular · Capillary · Soft matter

Calculate dimensionless groups for granular rheology, suspensions, settling, interfaces, and viscoelastic materials.

Gnuplot · Dash types · Point types

Choose line and point styles visually, preview the result, and copy ready-to-use Gnuplot commands.

Open Style Builder