
Render every page to JPG or PNG, download individually or as a zip.

Combine JPG, PNG and WebP images into a single paginated PDF.

Rotate all or selected pages with a live thumbnail preview.

Add a diagonal text watermark with colour, opacity and position control.
Pack a folder of icons into one spritesheet with the CSS and the coordinates.

Build an SVG path from move, line, curve and arc commands and preview it live.

A grid calculator with a real formula engine: =A1+B2*2, =SUM(A1:B3), 16 functions, and real error cells for #DIV/0!, #CIRCULAR! and #NAME? instead of hanging.

Paste a list of numbers and see whether it fits an arithmetic, geometric, Fibonacci-like or polynomial rule, with the next term and an honest note on how much the fit is worth.