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ToolsOnDuty - free online tools

Generators

Generate passwords, UUIDs, QR codes, placeholder text and more.

Generators
UUID Generator

Generate random v4 UUIDs in bulk.

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Generators
Git Branch Name Generator

Convert plain text into a valid, clean Git branch name.

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Generators
Password Generator

Create strong, random passwords with custom rules.

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Generators
Slug Generator

Turn titles and text into clean, URL-friendly slugs.

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Generators
Lorem Ipsum Generator

Generate placeholder lorem ipsum text by paragraphs, sentences or words.

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Generators
.gitignore Generator

Build a .gitignore file from common language and OS templates.

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Generators
Random Token Generator

Generate random tokens, API keys and secrets in bulk.

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Generators
Cron Expression Generator

Build and understand cron schedules with presets and a plain-English summary.

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Generators
QR Code Generator

Create a QR code from any text or URL and download it as PNG or SVG.

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Generators
Random String Generator

Generate random strings with a custom length and character set.

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Generators
ULID Generator

Generate sortable, unique ULIDs in bulk.

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Generators
Nano ID Generator

Generate compact, URL-safe Nano IDs in bulk.

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Generators
Credit Card Number Generator (Test)

Generate Luhn-valid test credit card numbers for QA and form testing.

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Generators
MAC Address Generator

Generate random MAC addresses with your choice of separator and case.

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Generators
Random IP Address Generator

Generate random IPv4 or IPv6 addresses in bulk.

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Generators
Random Color Palette Generator

Generate random hex colour swatches and copy them individually or together.

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Generators
CSS Gradient Generator

Create a linear CSS gradient with a live preview and copy the CSS.

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Generators
CSS Box Shadow Generator

Design a CSS box shadow with sliders and copy the CSS.

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Generators
PIN Code Generator

Generate random numeric PIN codes in bulk.

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Generators
Coupon Code Generator

Generate bulk coupon or promo codes with a custom prefix and format.

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Generators
Placeholder Image Generator

Generate lightweight SVG placeholder images with a custom size, colour and label.

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Generators
Random Number Generator

Generate one or many secure random integers within a custom range.

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About Generators

Our generators create the values, snippets and placeholder content you need on demand, from secure passwords and UUIDs to QR codes, slugs and lorem ipsum text. Set a few options and get a ready-to-use result in one click.

They are handy for building, testing and content work: spin up a strong password, generate a unique ID for a database row, create a QR code for a link, or fill a layout with placeholder text. Each generator uses sensible defaults so you get a good result instantly, with controls when you need something specific.

Everything runs in your browser, so generated values are created on your device and never sent to a server, which keeps secrets like passwords and tokens private.