README draft
Check headings and code fences before pushing a repository README.
# Project
Install with `npm i`Rendered H1 + inline codePreview Markdown as formatted HTML instantly in your browser. Live side-by-side rendering with safe HTML output - private, no upload.
Write Markdown and preview safe HTML instantly in your browser.
Preview
Paste Markdown or load the example to see a live preview.
Stored locally for now - helps us improve this tool.
Free utilities designed for privacy, speed, and everyday reliability.
100% Free
Core tools stay free with no paywall to unlock basics.
No Registration Required
Open a tool and start immediately - no account needed.
Privacy First
We avoid unnecessary collection and keep processing local when possible.
Browser Processing
Most tools run in your browser so your input never needs a server round-trip.
Fast & Secure
HTTPS everywhere with instant, client-side results for everyday tasks.
Mobile Friendly
Layouts and controls are built for phones, tablets, and desktops.
Updated Regularly
Tools and content are improved continuously as the platform grows.
Local visit data for this browser only.
See formatted headings, lists, code, and tables update as you type - no refresh required.
Raw HTML and dangerous link schemes are blocked so drafted content stays safer to preview.
Your drafts stay on your device. ToolMint does not upload Markdown to a server.
Add README content, docs, or notes into the editor.
Review headings, emphasis, lists, links, and code in the rendered pane.
Open the HTML source view when you want the generated markup.
Export Markdown, copy HTML, or download a standalone HTML file.
Preview how headings, code blocks, and links will render on a code-hosting site before committing a README update.
Check the rendered layout of a support or documentation article for formatting mistakes before it goes live.
Verify that lists, links, and emphasis in a changelog entry render correctly before sharing it with users.
Switch to the HTML source view to grab generated markup for a page that needs the rendered output rather than raw Markdown.
Check headings and code fences before pushing a repository README.
# Project
Install with `npm i`Rendered H1 + inline codePreview ordered steps and links for a help article.
1. Open settings
2. [Save](https://example.com)Numbered list + safe external linkValidate a simple comparison table before publishing.
| Feature | Status |
| --- | --- |
| Preview | Ready |Formatted HTML tableAll Markdown previewing runs locally in your browser. ToolMint does not upload or store your content. Remote images may still be fetched by your browser if you include image URLs.
A Markdown preview tool converts Markdown text into formatted HTML so you can review how documentation and notes will look before publishing.
It speeds up README and docs drafting with instant feedback and private, browser-side rendering - no upload or install required.
It supports common Markdown and GFM-style features with a browser size limit. It is not a full GitHub/CommonMark conformance suite or multi-file project editor.
Word Count and Character Count for Writers Who Hit Real Limits
Practical limits for SEO meta, social posts, and academic work - plus how counters differ on hyphenation, CJK text, and what “a word” even means.
Why Browser-Based Tools Are Often More Private
How client-side processing keeps files on your device, when servers are still necessary, and how ToolMint approaches privacy for everyday utilities.
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Count words, characters, and reading time instantly.
Updated Jul 20, 2026
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Count characters and spaces with optional limits.
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Convert text between common letter cases.
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Find and replace text with optional regex.
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Security
Generate secure random passwords instantly in your browser.
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Text
Count words, characters, and reading time instantly.
Updated Jul 20, 2026
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Count characters and spaces with optional limits.
Updated Jul 20, 2026
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Convert text between common letter cases.
Updated Jul 20, 2026
Converter
Convert CSV to JSON instantly.
Updated Jul 20, 2026
Converter
Convert JSON arrays to CSV instantly.
Updated Jul 20, 2026
Converter
Convert XML to JSON instantly.
Updated Jul 20, 2026
Converter
Convert JSON into pretty XML instantly.
Updated Jul 20, 2026
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