Your Vault of Essential Tools

Free calculators and converters for everyday needs. Fast, accurate, and easy to use.

Financial Calculators

💰 Mortgage Calculator

Calculate your monthly mortgage payments, total interest, and view amortization schedule.

💳 Loan Calculator

Calculate loan payments, total interest, and compare different loan options.

Age & Year Calculators

Age Calculator

Calculate age from current date or custom date.

Date Calculator

Calculate Date from custom date or current date.
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Health Calculators

🥚 Ovulation Calculator

Calculate your fertile window and ovulation days to plan or prevent pregnancy.

⚖️ BMI Calculator

Calculate your Body Mass Index and find your healthy weight range instantly.

🤰 Pregnancy Calculator

Calculate your due date, pregnancy week, and track important milestones.

📝 Text Tools

Professional text tools for writers, students, and content creators. Count words, characters, and convert text cases instantly.

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Word Counter

Count words, characters, sentences, and paragraphs in real-time with reading time estimates

Count Words →
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Character Counter

Count characters for Twitter, SMS, meta descriptions with platform-specific limits

Count Characters →
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Case Converter

Convert text to UPPERCASE, lowercase, Title Case, camelCase, and 5 more formats

Convert Case →
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Text to Slug Converter

Convert text to Slug URLS

Convert Text to Slug →
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Duplicate Line Remover

Remove duplicate lines from text and keep only unique lines

Find Duplicates →
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Find and Replace

Search and replace text with advanced options including regex support

Find & Replace →
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Suffix Prefix Adder/Remover

Add or remove text at the beginning or end of each line

Add Suffix/Prefix →
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Lorem Ipsum Generator

Generate placeholder text for your designs, mockups, and websites

Generate Lorem Ipsum →
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Note Taking App

Capture your thoughts, ideas, and memories

Take Notes →

File Converters

🖼️ Image to PDF

Convert JPG, PNG, and other images to PDF instantly. Combine multiple images into one PDF.

📊 Excel to CSV

Convert Excel spreadsheets (.xlsx, .xls) to CSV format quickly and securely.

Free Viewer

📧 EML Viewer

View and read EML email files directly in your browser. Open and preview email messages with attachments instantly.

📬 PST Viewer

View Outlook PST files online. Browse emails, contacts, and calendar entries from PST files securely.

Stock Calculators

Stock Options Tax Calculator

Calculate your average stock purchase price and total investment.

📊 Stock Average Calculator

Calculate taxes on ISO and NSO stock options with AMT impact analysis

Developer Tools

Professional code formatters for HTML, CSS, and JavaScript

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HTML Beautifier

Format and prettify HTML code with proper indentation and structure


Use Tool →
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CSS Beautifier

Clean up CSS stylesheets with organized properties and formatting


Use Tool →
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JavaScript Beautifier

Format JavaScript code with ES6+ support and modern syntax


Use Tool →
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XML Formatter

Format, beautify, and minify XML code with proper indentation and validation


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JSON Formatter

Format JSON code with proper indentation and validation


Use Tool →
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SQL Formatter

Format SQL queries with proper indentation & keyword capitalization


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Python Formatter

Format Python code with proper indentation following PEP 8 standards


Use Tool →
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JSON Minifier

Compress and reduce JSON file size


Use Tool →
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HTML Minifier

Compress and reduce HTML file size


Use Tool →
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CSS Minifier

Compress and reduce HTML file size


Use Tool →

Color Tools

Professional Color Code Generator & Picker

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Color Code Generator & Picker

Generate color codes, variations, harmonies, and check contrast ratios


Use Tool →
💅

Pick Color from Image

Extract color codes from any image instantly


Use Tool →

Why ToolsVault?

ToolsVault provides free, fast, and accurate online tools for everyone. Our calculators and converters are designed to be simple yet powerful, helping you make quick decisions and complete tasks efficiently. All tools work directly in your browser - no installation, no sign-up required.