Free Online Tools
100% browser-based — your data never leaves your device
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Text Tools
3 tools
Word counting, case conversion, placeholder text generation, and more. All text tools run 100% in your browser — no data uploaded.
Developer Tools
3 tools
JSON formatting, Base64 encoding, hash generation, and more. Essential developer utilities that run locally in your browser.
Calculators
3 tools
Age, percentage, loan, and other practical calculators. Fast, free, and private — all calculations happen in your browser.
Converters
3 tools
Unit, color, and timezone conversions at your fingertips. Get instant results, no sign-up, fully browser-based and private.
Generators
3 tools
QR codes, passwords, UUIDs, and more — generate instantly. All tools are free, private, and work entirely in your browser.
All Tools
Age Calculator
Calculate your exact age in years, months, and days instantly. Free online age calculator, no data upload, 100% private.
Base64 Encode & Decode
Encode and decode Base64 strings instantly in your browser. Supports text, URLs, and data URIs. Free online tool, 100% private.
Case Converter
Convert text between uppercase, lowercase, title case, camelCase, snake_case, and more. Free online tool, runs in browser, 100% private.
Color Converter
Convert colors between HEX, RGB, HSL, and CMYK instantly in your browser. Free color picker and converter, 100% private.
Hash Generator (MD5/SHA)
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes instantly in your browser. Free online tool, no upload required, 100% private.
JSON Formatter & Validator
Format, validate, and beautify JSON data instantly in your browser. Supports minify and syntax checking. Free, 100% private.
Loan & EMI Calculator
Calculate loan EMI, monthly payments, and amortization schedules instantly in your browser. Free tool, no data upload, 100% private.
Lorem Ipsum Generator
Generate lorem ipsum placeholder text by paragraphs, sentences, or words. One-click copy, customizable count. Free and private.
Password Generator
Generate strong, random passwords instantly in your browser. Customize length, characters, and check strength. Free, private, no sign up.
Percentage Calculator
Calculate percentages, discounts, markups, and VAT instantly in your browser. Free online tool, no data upload, 100% private.
QR Code Generator
Generate QR codes for URLs, text, WiFi, and vCards instantly in your browser. Free, customizable, 100% private — no data uploaded.
Time Zone Converter
Convert time across time zones instantly. Compare world clocks, plan meetings, and calculate time differences. Free, private, no sign up.
Unit Converter
Convert between length, weight, temperature, speed, volume, area, and pressure units instantly in your browser. Free, private, no sign up.
UUID Generator
Generate UUID v1, v4, and bulk unique IDs instantly in your browser. Free GUID generator, 100% private — no data uploaded.
Word & Character Counter
Count words, characters, sentences, and paragraphs instantly. Estimate reading time and speaking time. Free online tool, 100% private.
Why ToolsMio?
Privacy First
All processing happens in your browser. We never see your data.
Instant Results
No waiting, no uploading. Get results the moment you type.
Free Forever
No sign up, no limits, no hidden fees. Every tool is free.
Multi-Language
Available in 11 languages with localized search tags.