Free Online Generator Tools 20 tools

Generators create the things you don't want to invent by hand: strong passwords, UUIDs, random numbers, hashes, dummy text, and random colors. Developers will appreciate the CSS generators that turn visual controls into ready-to-paste code — gradients, box shadows, grid layouts, and flexbox arrangements — plus a cron expression builder, a JWT inspector, and a live keycode inspector. Need a QR code or a favicon placeholder? Both are produced entirely on-device with no upload. Generate from a single button press or with full control over length, charset, and format. Because everything runs client-side, generated secrets like passwords and hashes never touch a server. The output of every generator includes a copy button, so you can grab the result and move on to what actually matters.

Strong Password Generator

Generate cryptographically strong random passwords with custom options.

UUID v4 Generator

Generate random RFC 4122 version 4 UUIDs in bulk with one click.

Random Number Generator

Generate random integers between any minimum and maximum, one or many at once.

Hash Generator (SHA-256, MD5)

Generate SHA-256 and MD5 hashes of any text using the browser Web Crypto API.

GUID Generator

Generate Globally Unique Identifiers in different formatting styles.

Dummy Text Generator

Generate realistic filler text with customizable length and paragraph count.

Random Color Generator

Generate random colors with hex codes and a palette you can copy.

Cron Expression Generator

Build cron expressions from visual dropdowns with instant human-readable preview.

QR Code Generator

Generate QR codes from text or URLs right in your browser with no upload.

Favicon Placeholder Generator

Create simple favicon placeholders with initials or text on a colored background.

Gradient Generator

Design CSS gradients visually and copy the generated background code.

Box Shadow Generator

Create CSS box shadows with a live preview and copy the final code.

CSS Grid Generator

Build CSS Grid layouts visually and generate the exact grid code.

Flexbox Layout Generator

Design flexbox layouts visually and copy the generated CSS.

Meta Tag Generator

Generate complete SEO meta tag markup from a simple form.

Robots.txt Generator

Generate a robots.txt file with custom user agents, rules, and sitemap entry.

Sitemap Config Generator

Generate an XML sitemap from a list of URLs with priority and change frequency.

Keycode Event Inspector

Press any key to see its keycode, key value, and code live in the browser.

HTACCESS Generator

Generate common .htaccess snippets for redirects, caching, and security.

JWT Inspector

Decode JWT header and payload locally to inspect claims and tokens.