Arsenal Tools
One hub for practical online tools
Fast, simple, and free. Open a tool and start immediately without signup.
Tools
Available tools in the current release.
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Text Word Counter
Count words, characters, sentences, and paragraphs instantly in your text.
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Text Case Converter
Convert text to UPPERCASE, lowercase, Title Case, or Sentence case in one click.
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Remove Duplicate Lines
Remove repeated lines and keep unique lines in your text with one click.
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Text to URL Slug
Convert any text into a clean, URL-friendly slug for pages and posts.
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Lorem Ipsum Generator
Generate lorem ipsum paragraphs quickly for mockups and draft layouts.
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Text Diff Checker
Compare two text blocks and quickly find lines that were added or removed.
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Percentage Calculator
Calculate percentage values, increase/decrease rates, and percentage of numbers.
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Tip Calculator
Calculate tip amount and total bill, then split across multiple people.
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BMI Calculator
Calculate Body Mass Index from height and weight in metric or imperial units.
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Age Calculator
Calculate exact age in years, months, and days from your birth date.
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Base64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 back to readable text.
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URL Encoder / Decoder
Encode URL components safely and decode encoded URL strings instantly.
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Temperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin.
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Number Base Converter
Convert numbers between binary, decimal, and hexadecimal formats.
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UUID Generator
Generate random UUID v4 identifiers for apps, APIs, and databases.
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Unix Timestamp Converter
Convert Unix timestamps to readable dates and dates back to Unix time.
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JSON Formatter & Validator
Format and validate JSON with readable indentation and clear parse errors.
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HTML Entity Encoder / Decoder
Encode special HTML characters into entities or decode entities back to text.
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Hash Generator (SHA-256 / SHA-1 / MD5)
Generate common text hashes including SHA-256, SHA-1, and MD5.
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Password Generator
Create secure random passwords with customizable length and character sets.
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