Text tools
Count words and characters, change capitals, compare two texts, tidy and sort lines, and find and replace, on your device.
Free, private, in your browser
Free writing tools
Count words and characters, change case, compare two versions, tidy lines, write in Markdown with a live preview, and sketch a diagram or a flowchart by hand.
No account, no limits on use, and your files never leave your device: each tool runs in the browser.
The tools
Markdown editor
Write Markdown with a live preview, GitHub's tables, task lists and footnotes, then save it, export a web page or print it to PDF, on your device.
Whiteboard
Sketch diagrams, flowcharts and notes in a hand-drawn style on an endless board, present them as slides, then save a PNG, an SVG, a PDF or the board to open again, on your device.
How to, step by step
- Markdown editor online with live preview, maths and Mermaid
A Markdown editor in your browser, nothing uploaded: live preview, GitHub tables and task lists, maths, Mermaid diagrams, and export to HTML, Word or PDF.
- Convert Markdown to HTML online, without uploading
Convert Markdown to HTML in your browser, nothing uploaded: a page that stands alone or the HTML alone, with GitHub's tables, code, maths and diagrams.
- How to convert Markdown to PDF for free, in your browser
Turn Markdown into a PDF from your browser's print dialog, nothing uploaded: headings kept with their text, tables and code not cut in half.
- Convert Markdown to Word (.docx) without uploading
Turn Markdown into a Word file with Word's own heading styles, numbered lists, tables, links, pictures and footnotes, in your browser. Nothing is uploaded.
- How to convert HTML to Markdown online, free and private
Turn HTML files, web pages and copied text into clean Markdown in your browser: headings, lists, links, tables and code blocks, written as GitHub writes them.
- Convert Word (.docx) to Markdown without uploading
Turn .docx files into Markdown in your browser: headings, lists, tables, links, bold and italic, with their pictures kept. Nothing is uploaded.
- Markdown table generator: from a grid or a spreadsheet
Make Markdown tables in your browser from a grid of cells or by pasting from Excel or Google Sheets, then line up the pipes. Free, nothing uploaded.
- Free online whiteboard with no sign-up or upload
A free whiteboard in your browser, nothing uploaded: hand-drawn diagrams and notes, slides, PNG, SVG or PDF, and Excalidraw files. No account, no login.
- Free flowchart maker with no sign-up or upload
Make a flowchart in your browser, nothing uploaded: start from a ready one, add steps from the keyboard, and keep arrows joined as boxes move.
- How to make a mind map from an outline for free
Type an outline, one idea a line with details indented, and get a mind map to move and restyle, in your browser. Free, nothing uploaded.
- How to make a concept map for school, free
Make a concept map in your browser: ideas in boxes, joined by arrows with the words that link them. Start from a ready one. Free, nothing uploaded.
- How to make a Venn diagram online for free
Make a Venn diagram of two or three sets in your browser: circles you can move, resize and write in, saved as PNG, SVG or PDF. Nothing uploaded.
- How to make a timeline for a school project, free
Make a timeline of events in order along a line, with dates and boxes you can move and write in, in your browser. Save PNG, SVG or PDF. Free, no account.
- Mermaid to an editable diagram, PNG or SVG, no upload
Paste a Mermaid flowchart and it becomes shapes and arrows you can move, restyle and draw on, laid out as Mermaid lays it out. On your device, no uploads.
- Online maths whiteboard with LaTeX equations, free
A maths whiteboard in your browser: type LaTeX equations, set by MathJax as you type, and draw and write around them. Free, nothing uploaded.
- How to open an .excalidraw file online
Open, change and save .excalidraw files, and PNG or SVG pictures saved with their board inside, in your browser. Nothing is uploaded and there is no account.
- Free text tools: word counter, case converter, diff checker
Count words and characters, change capitals, compare two texts, tidy lines, sort lists and find and replace, in one box in your browser. No ads, no uploads.
- How to count words, characters and reading time
Count the words, characters, sentences and paragraphs of an essay or post as you type, with reading and speaking time and a word target, in your browser.
- Character counter for X posts, text messages and meta tags
Count characters with and without spaces, and see how much is left of an X post, a text message or a search description, counted the way each counts.
- Title case converter: AP, APA, Chicago and MLA style
Change text to Title Case in AP, APA, Chicago or MLA style, or to UPPER, lower and Sentence case, keeping names like iPhone and NASA as they are written.
- Diff checker: compare two texts and find the differences
Paste two versions of a text and see every word, character or line that was added or taken out, side by side or in one, counted, in your browser.
- How to remove line breaks from text copied from a PDF
Join lines broken mid-sentence, as text copied from a PDF or an email often is, keeping paragraphs and taking out double spaces, in your browser.
- How to remove duplicate lines from a list
Keep each line of a list once, where it first stands, and see how many repeats were taken out. Ignore capitals or spaces if you like, in your browser.
- How to put a list in alphabetical order, numbers too
Put the lines of a list in A to Z order with numbers in order, by number, by length, upside down or shuffled with a seed, in your browser.
- Find and replace text online, with regular expressions
Find a word or a pattern in a text and replace it everywhere at once, with whole words, capitals and regular expressions, seeing each change first.
- How to make lorem ipsum placeholder text, by paragraph
Make lorem ipsum placeholder text by paragraphs, sentences or words, with or without the classic first sentence, the same again from a seed, in your browser.
- How many words is a 5-minute speech?
A 5-minute speech is roughly 650 to 900 words, by how fast you speak. Count your own draft in your browser and see how long it takes to say aloud.
- camelCase, snake_case and kebab-case converter
Turn names into camelCase, snake_case, kebab-case, CONSTANT_CASE or URL slugs in your browser, line by line, with nothing uploaded.
- Mermaid flowchart syntax: shapes, arrows and direction
How to write a Mermaid flowchart: direction, node shapes, arrows, labels and subgraphs. Then turn it into a diagram you can edit, in your browser.