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CSS Generator

Build gradients, shadows (box/text-shadow), rounded corners (border-radius) and flex/grid layouts while watching them, then copy the CSS. Nothing is sent to a server.

Your input stays in this browser and is never sent to a server. The CSS is assembled only from allowed values (colors, integers, fixed keywords), so a stray `;` or `}` cannot slip in. Older browsers may not support conic-gradient or some uses of gap.

Frequently asked questions

How do I use the CSS?

Paste the copied lines inside a rule in your stylesheet, e.g. .card { copied lines }. Gradients start with a fallback color line for old browsers.

flex or grid?

Use flex to line items up and align them in one direction (row or column), and grid for a layout of rows and columns. Change values in the preview to see the difference.

Are my values saved?

No. Everything is processed in the browser and nothing is sent to a server.

How to use this tool

Use it to build CSS effects that are tedious to write by hand while watching the result: gradients, shadows (box and text), rounded corners and flex/grid layouts. Adjust the controls and copy the generated CSS.

Frequently asked questions

What can I make?

CSS for gradients, shadows (box-shadow and text-shadow), rounded corners (border-radius) and flex/grid layouts, while seeing the result.

How do I use the CSS?

Copy it with the copy button and paste it into your stylesheet.

Is my input sent to a server?

No. Input is not sent to a server.

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Developer Tools

Forty everyday developer helpers in one place (including TOTP, semver, bit operations, .env/INI/TOML conversion, JSON Schema validation, docker run → compose, .gitignore, OG tags and ASCII/ANSI tables) (now with subnet/CIDR, chmod, an HTTP/MIME/port reference, robots/sitemap and dummy data): URL, Base64, HTML and Unicode encoding, JSON formatting, CSV and type generation, Unix time, JWT decoder, hashes, UUIDs, regex, text diff, number bases, cron, certificate/CSR and mail header readers, business registration number checks, and a table converter.

Code Formatter (Beautifier)

Tidy HTML, CSS, JS, JSON, PHP, Java, Kotlin, Shell, Python, SQL, XML and YAML with tabs or spaces (2, 4 or 8), then copy it or export it as colored HTML. Your code is never sent to the server.

Code Minifier

Remove comments and unnecessary whitespace from HTML, CSS, JS and JSON to cut file size. Paste code or open a file (drag and drop works), then copy the result or download a .min file. Your code is never sent to a server.

JSON, XML & YAML Parser

Paste or open a JSON, XML or YAML file to validate it (with the exact line and column of any error), browse it as a collapsible tree, search values and keys, look values up by path, pretty-print or minify it, and convert between formats. Everything runs in your browser — your input and files are never sent to a server.

Password Generator

Create a hard-to-guess password from a length and character types, or as an easy-to-remember word combination (passphrase). The result never leaves this page.

What is my IP

Check your public IP address and approximate location.