33+ document tools, from first draft to final format

Count words, sentences and paragraphs as you type, against the limit you're writing to.

Count characters with and without spaces, for the field that won't take one more.

Put two drafts side by side and see exactly which lines were added, removed or changed.

Score a draft's reading level — Flesch Reading Ease, grade level, and the stats behind them.

See which words and phrases a page actually leans on, and how heavily.

Estimate how long a piece takes to read, at the pace you choose rather than a default one.

Replace every match across a whole document, with a preview before you commit.

Flatten text that arrived with a hard break at the end of every line, keeping paragraphs.

Strip repeated lines from a list, with or without regard to case and surrounding spaces.

Sort lines alphabetically, numerically or by length, ascending or descending.

Number every line of a passage so you can point someone at line 47 and be understood.

Switch between upper, lower, title and sentence case without retyping the line.

Collapse double spaces, trailing whitespace and stray tabs left behind by a paste.

Strip the invisible characters and stray symbols that survived a copy from a PDF or web page.

Hard-wrap a passage at a fixed column width, for the editor that won't do it for you.

Turn a title into a clean, URL-safe slug with accents folded and spaces hyphenated.

Turn straight quotes into curly, typographic ones — or back again.

A distraction-free place to write, with a live word count. Nothing is saved — closing the tab clears it.

Build a correctly formatted citation in APA, MLA or Chicago from the details you have.

Generate placeholder copy by word, sentence or paragraph count.

Renumber a nested, indented outline into 1., 1.1., 1.1.1. numbering as you type.

Count syllables per word and across a whole document — for a tagline, or a readability score you're checking by hand.

Sort and format a list of sources into a consistent bibliography in the style you need.

Write Markdown with a live word count beside it — nothing saved, nothing uploaded.

Turn a Markdown document into clean HTML you can paste into a page or an email.

Convert pasted HTML back into readable Markdown, headings and lists intact.

Paste CSV or tab-separated data and get the pipe-and-dash table Markdown wants, aligned correctly.

Strip the syntax and keep the prose, for pasting somewhere that renders nothing.

Split a long document into numbered parts by line count, size or a delimiter you choose.

Fill one template with every row of a list, and get a document per recipient back.

Build a linked, indented contents list from a document's Markdown headings.

Merge several pasted sections — separated by a "---" line — into one document.

Apply several find-and-replace pairs to a document in one pass.