Code highlighter.
Paste code, pick its language and read it with syntax colors and line numbers. The highlighting is the site's own, done in your browser; nothing is uploaded.12 languages1 keystroke to update0 bytes uploaded
Add shadcn.io to your AI agent. · Pro It installs blocks, icons and templates in your design system from a prompt, with Pro.
Set up MCPCode highlighter.
Need the UI around it? With Pro, your AI agent builds the form, the result card and the rest of the page from a prompt.
Get ProHow it works
3 steps, no account. It runs in your browser and nothing is uploaded.
Enter code
Paste code into the input, or load the sample.
Pick the language
Choose it from the select; TSX is the default.
Read, copy or download
The highlighted code sits beside the input with line numbers; copy or download the code.
Related tools
Nearby in the text tools. Every one free, in the browser.
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- JSON to CSV converterPaste a JSON array and read it as CSV, or CSV and read it as JSON, with nested objects as dotted columns.
- Text diff viewerPaste two versions of a text and read what changed, line by line with line numbers.
- Regex testerWrite a JavaScript regular expression and see every match marked in your text, with groups, positions and a replace preview.
- JWT decoderPaste a JSON Web Token and read its header, payload and signature apart, with the time claims checked against the clock.
Pricing
Build it with Pro
The tool is free. Pro adds 6,000+ blocks, premium templates and the MCP server, so your AI editor builds the product around it.
4.9/5 out of 5 · 150+ reviewsfrom 150+ founders and developers.
Billing
Billed once a year in USD. Cancel anytime.
- How many people can use the license.
- Client work, SaaS products and anything you charge for.
- Production-ready React sections: hero, pricing, features, dashboards and more.
- Complete multi-page sites you can ship as they are.
- React icons from every major library, installable with one command.
- Presets that restyle every block, in light and dark.
- Lets your AI editor search, preview and install blocks for you.
- Priority requests are answered first.
Individual
For personal projects & open source
$32instead of $49/mo
$389 billed yearly
- Seats: 1 seat
- Commercial use: Personal & open source only
- Pro blocks: 6,000+ blocks
- Templates: All 14 templates
- React icons: 294k+ icons
- Themes: All 59 themes
- MCP server: Basic usage
- Support: Standard
Team
Most popularFor freelancers, agencies & startups
$66instead of $99/mo
$789 billed yearly · ≈ $13/dev/mo
- Seats: Up to 5 seats
- Commercial use: Included
- Pro blocks: 6,000+ blocks
- Templates: All 14 templates
- React icons: 294k+ icons
- Themes: All 59 themes
- MCP server: High usage
- Support: Priority
Organization
For companies with larger teams
$132instead of $199/mo
$1,589 billed yearly
- Seats: Unlimited seats
- Commercial use: Included
- Pro blocks: 6,000+ blocks
- Templates: All 14 templates
- React icons: 294k+ icons
- Themes: All 59 themes
- MCP server: Unlimited usage
- Support: Priority
Billed once a year in USD. Cancel anytime.
Individual
For personal projects & open source
$32instead of $49/mo
$389 billed yearly
- How many people can use the license.Seats: 1 seat
- Client work, SaaS products and anything you charge for.Commercial use: Personal & open source only
- Production-ready React sections: hero, pricing, features, dashboards and more.Pro blocks: 6,000+ blocks
- Complete multi-page sites you can ship as they are.Templates: All 14 templates
- React icons from every major library, installable with one command.React icons: 294k+ icons
- Presets that restyle every block, in light and dark.Themes: All 59 themes
- Lets your AI editor search, preview and install blocks for you.MCP server: Basic usage
- Priority requests are answered first.Support: Standard
Team
Most popularFor freelancers, agencies & startups
$66instead of $99/mo
$789 billed yearly · ≈ $13/dev/mo
Everything in Individual, plus
- How many people can use the license.Seats: Up to 5 seats
- Client work, SaaS products and anything you charge for.Commercial use: Included
- Lets your AI editor search, preview and install blocks for you.MCP server: High usage
- Priority requests are answered first.Support: Priority
Organization
For companies with larger teams
$132instead of $199/mo
$1,589 billed yearly
Everything in Team, plus
- How many people can use the license.Seats: Unlimited seats
- Lets your AI editor search, preview and install blocks for you.MCP server: Unlimited usage
- Secure checkout via Stripe
- Code lives in your repo
- Keep what you've shipped if you cancel
- License terms
Questions and answers
Before you trust the result: what to know about the format, the limits and your data.
Build the product around it
Every block, template and icon, installed by your AI agent in your theme. The tools stay free.
Cancel anytimeKeep what you've shipped if you cancel