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Tool Vault

50+ free tools — converters, generators, and calculators.

Always-on dark modeNo sign-up. Just tools.

New · ToolVault.io

Your daily toolbox for the internet.

Convert, calculate, and generate anything — from JSON and colors to income and SEO links — in one blazing-fast, distraction-free dark interface.

SEO-friendly deep links for every tool to help each calculator and converter rank on its own.

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Fast & lightweight

All tools run instantly in your browser with accessible, mobile-first layouts and minimal bloat.

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Explore the vault

Categorized tools with SEO-optimized slugs and deep links for every calculator and converter.

Mobile-first, Core Web Vitals–friendly layout.

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Text & Content Tools

Clean, reformat, and transform text in seconds.

8 tools

Case ConverterOpen →Word & Character CounterOpen →Remove Line BreaksOpen →Slug GeneratorOpen →Duplicate Line RemoverOpen →Email ExtractorOpen →Lorem Ipsum GeneratorOpen →Paragraph FormatterOpen →

Developer & Data Tools

Format, encode, and debug like a pro.

10 tools

JSON FormatterOpen →Base64 Encode / DecodeOpen →URL Encoder / DecoderOpen →HTML Entity ConverterOpen →UUID GeneratorOpen →Hash GeneratorOpen →Regex TesterOpen →Cron Expression HelperOpen →Unix Timestamp ConverterOpen →JWT DecoderOpen →

Color & Design Tools

Perfect colors, gradients, and ratios for your UI.

6 tools

Color Converter (HEX / RGB / HSL)Open →Gradient GeneratorOpen →Color Palette GeneratorOpen →Image to Base64Open →Favicon GeneratorOpen →Aspect Ratio CalculatorOpen →

Random & Fun Generators

Random numbers, names, colors, and more.

8 tools

Random Number GeneratorOpen →Secure Password GeneratorOpen →Random Name GeneratorOpen →Coin Flip & Dice RollerOpen →Random Color GeneratorOpen →Startup Idea GeneratorOpen →Random Date & TimeOpen →Random Line PickerOpen →

Math & Everyday Calculators

Fast math for money, fitness, and daily life.

8 tools

Percentage CalculatorOpen →Discount CalculatorOpen →Tip CalculatorOpen →Loan / EMI CalculatorOpen →Savings Goal CalculatorOpen →Hourly ↔ Yearly IncomeOpen →BMI CalculatorOpen →Pace & Speed CalculatorOpen →

Time, Productivity & Planning

Time zones, dates, timers, and streaks.

6 tools

Time Zone ConverterOpen →Date Difference CalculatorOpen →Age CalculatorOpen →Countdown TimerOpen →Pomodoro TimerOpen →Habit Streak TrackerOpen →

Web, Business & SEO

Links, meta tags, sitemaps, and AdSense helpers.

6 tools

Meta Tag GeneratorOpen →robots.txt GeneratorOpen →XML Sitemap BuilderOpen →UTM Link BuilderOpen →AdSense Earnings EstimatorOpen →Price & Margin CalculatorOpen →