Book & Print Tools 17 tools
Calculators and checkers for getting a book ready for print. Every tool is free and needs no account. Browser tools keep your text on your device; document converters build a downloadable file and delete the upload when conversion finishes.
Calculator
Spine width calculator
Spine width from page count and paper type.
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Calculator
Full cover size calculator
Total cover width, height and pixels at 300 DPI.
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Estimator
Page count estimator
Turn a word count into pages for each trim size and font.
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Estimator
Trim size converter
See how page count changes when you change trim size.
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Checker
Image DPI checker
Effective DPI at a chosen print size, in your browser.
Runs in your browserOpen tool
Converter
Print image resizer
Resize an image to 300 DPI at a print size and download it.
Runs in your browserOpen tool
Checker
ISBN-13 checker
Validate an ISBN-13 check digit.
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Converter
Book TOC builder
Numbered contents from your headings, copied as Markdown.
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Converter
Copyright page generator
Standard copyright wording with editable fields.
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Converter
Front matter block generator
Title, dedication and acknowledgement blocks.
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Counter
Chapter word count and reading time
Counts per chapter and total reading time.
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Checker
Manuscript checker
Heading, anchor, image and code fence checks with line numbers.
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Checker
PDF page size checker
Page size, boxes, page count and fonts, using pdf.js.
Runs in your browserOpen tool
Checker
Print preflight (basic)
Bleed, font embedding, page size and resolution warnings.
Runs in your browserOpen tool
Converter
Obsidian to standard Markdown
Converts wiki links, embeds and callouts.
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Converter
Multi-file manuscript merger
Combine files in order, with heading level shift and drag and drop.
Runs in your browserOpen tool
Checker
Markdown link checker
Finds broken local links and missing images.
Runs in your browserOpen tool
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Want a finished book instead of a single answer? Convert a Markdown manuscript to PDF, EPUB or Word.