Free Writing Tools
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Free, forever — built by Krannie, no account or payment required. Everything below runs live in this page, so nothing you paste is ever uploaded. Click a tool to open it.
AI Tells Check
Flags construction patterns that read as machine-written — stock AI phrasing, overused transitions, hedging, triplet lists, em-dash overuse, and repetitive sentence openers — with actual matched excerpts from your text.
0 words
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Style Fingerprint
Measures stylometric traits in your prose — sentence rhythm, vocabulary richness, dialogue and POV balance, verb habits, punctuation, readability, and more. Works best on 1,000+ words.
0 words
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Echo Finder
Finds repeated three-word phrases and repeated content words clustered close together — the kind of echo you don't notice while drafting but a reader will.
0 words
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Pacing Map
Charts word count and dialogue share per chapter. Mark chapters with a line like "Chapter 1" or "Chapter One" — if none are found, the text is split into ~1,000-word sections instead.
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Name Check
Lists every capitalized name-like word by frequency and flags spellings close enough to each other that one is probably a typo — "Sarah" vs "Sara" vs "Saraah".
0 words
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Prose Cleanup
One typography pass: straight quotes become curly quotes, double hyphens become em dashes, doubled spaces collapse, trailing whitespace is trimmed, and runs of !! or ?? become one.
0 words
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KDP Metadata Kit
Live character counters against Amazon KDP's published limits, plus a keyword-phrase extractor run on your description.
Title + Subtitle: 0 / 200 characters
Description: 0 / 4000 characters
Type a description above and extract keywords to see results.
Spine Calculator
Computes exact print spine width and full wraparound cover dimensions from page count, trim size, and paper stock, using Amazon KDP's published per-page thickness constants.