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Book spine width, ISBN formatter, bleed calculator, paper weight converter, and publishing layout tools.
Convert word count to estimated page count for books and reports.
Calculate book spine width from page count and paper thickness.
Common book trim sizes with dimensions in inches and millimeters.
Format ISBN with hyphens and convert between ISBN-10 and ISBN-13.
Calculate full document size with bleed from trim size.
Calculate column width from page width, number of columns, and gutter.
Upload an image to estimate CMYK ink coverage percentage.
Convert paper weight between gsm, lb bond, lb text, and lb cover.
Recommended inner margin for perfect, spiral, and saddle-stitch binding.
Estimate page count from word count, image count, and font size.
Images, PDFs, video, audio, text, code, calculators, SEO, and more. All free, all in your browser.
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