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ToolsOnDuty - free online tools

Generators

Generate passwords, UUIDs, tokens, mock data and more.

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Password Generator

Create strong, random passwords with custom rules.

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UUID Generator

Generate random v4 UUIDs in bulk.

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Random Token Generator

Generate random tokens, API keys and secrets in bulk.

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Slug Generator

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

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Lorem Ipsum Generator

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

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.gitignore Generator

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

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Cron Expression Generator

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

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Generators
Git Branch Name Generator

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

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Random String Generator

Generate random strings with a custom length and character set.

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ULID Generator

Generate sortable, unique ULIDs in bulk.

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Nano ID Generator

Generate compact, URL-safe Nano IDs in bulk.

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Credit Card Number Generator (Test)

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

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MAC Address Generator

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

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PIN Code Generator

Generate random numeric PIN codes in bulk.

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Coupon Code Generator

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

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Deep Link / URI Builder

Build custom scheme and universal deep links with encoded query parameters.

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Mock Data Generator

Generate realistic fake JSON data for testing and prototypes.

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Random Number Generator

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

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Festival Wishes Generator

Create personalized festival wishes for WhatsApp, social captions, friends, family and professional greetings.

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CUID Generator

Generate collision-resistant, sortable CUID-style identifiers with secure browser randomness.

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Test IMEI Generator

Generate synthetic checksum-valid IMEI-format values from a supplied test TAC for software testing.

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Short Code Generator

Generate unique short codes with configurable length, prefix and character alphabet.

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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 tokens, 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 realistic mock data, 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.