miniwebtool — Free Online Tools

About

miniwebtool gives you instant access to a growing library of free online tools — right from your browser toolbar.

🔍 SEARCH & BROWSE
• Instantly search across all tools by name or keyword
• Browse by category: Math, Financial, Text, Randomness, Health & Fitness, Time & Date, Sports, Webmaster, Hash & Checksum, and more
• Drill down into subcategories for quick navigation

👁 HOVER PREVIEW
• Hover over any tool to see a live preview — no need to leave your current page
• Preview loads the full tool in a compact floating window
• Try tools before you open them in a new tab

⭐ FAVORITES & RECENTS
• Star your most-used tools for one-click access
• Recent history tracks your last-used tools automatically
• Choose your default tab: Favorites, Categories, Recent, or All Tools

🌍 15 LANGUAGES
English, Português, Deutsch, Español, Français, Bahasa Indonesia, Italiano, 日本語, 한국어, Polski, Русский, ไทย, Tiếng Việt, 简体中文, 繁體中文

🖱 RIGHT-CLICK TOOLS
• Select text on any page → right-click to open it in Word Counter, Character Counter, Case Converter, Grammar Checker, Base64 Encoder, and more
• Select a number → right-click to calculate Square Root, Factorial, Percentage, convert to Binary/Hex, and more
• Extract all URLs, emails, or phone numbers from any page with one click

🎨 APPEARANCE
• Light, dark, and auto (system) themes
• Toggle tool descriptions on/off
• Clean, fast interface — no bloat, no ads

📦 DATA
• Export/import settings and favorites as JSON
• Syncs across devices via Chrome Sync
• All data stays in your browser — no account needed

TOOL CATEGORIES
• Math — Square root, factorial, percentage, prime checker, statistics, geometry, algebra, and more
• Financial — Mortgage, ROI, compound interest, salary, tax, tip calculators
• Text — Word counter, case converter, grammar checker, text encoder/decoder
• Randomness — Random number, picker, name, password, dice, coin flip generators
• Health & Fitness — BMI, calorie, body fat, heart rate, sleep calculators
• Time & Date — Age, date difference, countdown, timezone converters
• Hash & Checksum — MD5, SHA-1, SHA-256, CRC32 generators
• Webmaster — URL encoder, HTML tools, JSON formatter
• Sports — Pace, batting average, bowling calculators
• Miscellaneous — Unit converters, color tools, QR generators, and more

Free and open. No sign-up required. New tools added regularly.

Visit https://miniwebtool.com for the full experience.