# Tiny But Mighty Tech > 55+ free online tools for developers and everyday use. All tools run entirely in your browser — no sign-up, no data collection, no server-side processing. Fast, private, and always free. ## About Tiny But Mighty Tech is a collection of fast, minimal, and secure browser-based utility tools. Every tool runs client-side with zero server processing, ensuring complete privacy. No accounts, no tracking, no subscriptions. ## Tools ### Developer Tools - [JSON Formatter](https://tinybutmightytech.com/tools/json-formatter): Format, validate, and beautify JSON data - [JWT Decoder](https://tinybutmightytech.com/tools/jwt-decoder): Decode JSON Web Tokens (JWT) securely in your browser - [Base64 Encoder/Decoder](https://tinybutmightytech.com/tools/base64): Encode and decode text to and from Base64 - [URL Encoder/Decoder](https://tinybutmightytech.com/tools/url-encoder): Encode and decode URLs and query parameters - [HTML Entity Encoder/Decoder](https://tinybutmightytech.com/tools/html-entities): Encode special characters to HTML entities and decode them back - [Regex Tester](https://tinybutmightytech.com/tools/regex-tester): Test regular expressions with real-time match highlighting - [Text Diff Checker](https://tinybutmightytech.com/tools/diff-checker): Compare two blocks of text and highlight the differences - [Hash Generator](https://tinybutmightytech.com/tools/hash-generator): Generate MD5, SHA-1, SHA-256, and SHA-512 hashes - [UUID Generator](https://tinybutmightytech.com/tools/uuid-generator): Generate random UUID v4 strings for development and testing - [Markdown Previewer](https://tinybutmightytech.com/tools/markdown-preview): Write and preview Markdown in real-time - [Slug Generator](https://tinybutmightytech.com/tools/slug-generator): Create clean, URL-friendly slugs from any text - [ROT13 Encoder/Decoder](https://tinybutmightytech.com/tools/rot13): Apply the ROT13 substitution cipher to text - [Website SEO Check](https://tinybutmightytech.com/tools/website-check): Extract and analyze SEO meta tags from any URL ### Text Tools - [Word Counter](https://tinybutmightytech.com/tools/word-counter): Count words, characters, and paragraphs in text - [Character Counter](https://tinybutmightytech.com/tools/character-counter): Analyze character frequency and count substrings in text - [String Length Counter](https://tinybutmightytech.com/tools/string-length): Analyze string length in characters, bytes, and code points - [Text Case Converter](https://tinybutmightytech.com/tools/case-converter): Convert text between UPPER, lower, Title, camelCase, and more - [Lorem Ipsum Generator](https://tinybutmightytech.com/tools/lorem-ipsum): Generate placeholder text in paragraphs, sentences, or words - [Text Repeater](https://tinybutmightytech.com/tools/text-repeater): Repeat text multiple times with a custom separator - [Line Sorter](https://tinybutmightytech.com/tools/line-sorter): Sort lines alphabetically with duplicate removal options - [Whitespace Remover](https://tinybutmightytech.com/tools/whitespace-remover): Clean up extra spaces, tabs, and blank lines from text - [Readability Score](https://tinybutmightytech.com/tools/readability-score): Analyze text readability with Flesch-Kincaid and more - [Word Unscrambler](https://tinybutmightytech.com/tools/word-unscrambler): Unscramble jumbled letters to find all possible words - [Palindrome Checker](https://tinybutmightytech.com/tools/palindrome-checker): Check if text reads the same forwards and backwards - [Morse Code Converter](https://tinybutmightytech.com/tools/morse-code): Convert text to Morse code and back with audio playback ### Converters - [Color Converter](https://tinybutmightytech.com/tools/color-converter): Convert colors between HEX, RGB, and HSL formats - [Number Base Converter](https://tinybutmightytech.com/tools/number-base): Convert numbers between binary, octal, decimal, and hex - [CSS Unit Converter](https://tinybutmightytech.com/tools/css-units): Convert between px, rem, em, vh, and vw CSS units - [Binary to Text Converter](https://tinybutmightytech.com/tools/binary-text): Convert between binary and ASCII text - [JSON to CSV Converter](https://tinybutmightytech.com/tools/json-to-csv): Convert JSON arrays to CSV format - [Timestamp Converter](https://tinybutmightytech.com/tools/timestamp-converter): Convert between Unix timestamps and human-readable dates - [Unit Converter](https://tinybutmightytech.com/tools/unit-converter): Convert between units of length, weight, and temperature ### Calculators - [Mortgage Calculator](https://tinybutmightytech.com/tools/mortgage-calculator): Calculate monthly mortgage payments - [Percentage Calculator](https://tinybutmightytech.com/tools/percentage-calculator): Calculate percentages with three common formulas - [Aspect Ratio Calculator](https://tinybutmightytech.com/tools/aspect-ratio): Calculate aspect ratios and resize dimensions proportionally - [Age Calculator](https://tinybutmightytech.com/tools/age-calculator): Calculate exact age in years, months, and days - [Tip Calculator](https://tinybutmightytech.com/tools/tip-calculator): Calculate tip amount and split the bill among friends - [BMI Calculator](https://tinybutmightytech.com/tools/bmi-calculator): Calculate Body Mass Index from height and weight - [Loan Calculator](https://tinybutmightytech.com/tools/loan-calculator): Calculate monthly loan payments and total interest - [Grade Calculator](https://tinybutmightytech.com/tools/grade-calculator): Calculate weighted grade average across courses - [Fuel Cost Calculator](https://tinybutmightytech.com/tools/fuel-cost): Estimate fuel cost for a trip by distance and gas price - [Discount Calculator](https://tinybutmightytech.com/tools/discount-calculator): Calculate the sale price after a discount percentage - [Random Number Generator](https://tinybutmightytech.com/tools/random-number): Generate random numbers within a custom range - [Date Difference Calculator](https://tinybutmightytech.com/tools/date-difference): Calculate the exact duration between two dates ### Generators - [Password Generator](https://tinybutmightytech.com/tools/password-generator): Generate secure, random passwords instantly - [QR Code Generator](https://tinybutmightytech.com/tools/qr-generator): Generate QR codes from text or URLs - [Color Palette Generator](https://tinybutmightytech.com/tools/color-palette): Generate harmonious color palettes from a base color - [Box Shadow Generator](https://tinybutmightytech.com/tools/box-shadow): Create CSS box-shadow values with a live visual preview - [Gradient Generator](https://tinybutmightytech.com/tools/gradient-generator): Create CSS linear and radial gradients visually ### Productivity - [Countdown Timer](https://tinybutmightytech.com/tools/countdown-timer): Set a countdown timer with browser notification alarm - [Stopwatch](https://tinybutmightytech.com/tools/stopwatch): Precision stopwatch with lap time tracking - [Pomodoro Timer](https://tinybutmightytech.com/tools/pomodoro): Stay focused with the 25/5 Pomodoro productivity technique - [Note Pad](https://tinybutmightytech.com/tools/notepad): Auto-saving scratchpad that stores notes in your browser - [Emoji Picker & Search](https://tinybutmightytech.com/tools/emoji-picker): Search, browse, and copy emojis by name or category ## Blog - [How to Generate Secure Passwords in 2026](https://tinybutmightytech.com/blog/how-to-generate-secure-passwords) - [Best Free JSON Formatter Tools for Developers](https://tinybutmightytech.com/blog/best-free-json-formatter-tools) - [Complete Guide to QR Codes](https://tinybutmightytech.com/blog/guide-to-qr-codes) - [Mortgage Calculator Guide](https://tinybutmightytech.com/blog/mortgage-calculator-guide) - [Markdown Guide for Beginners](https://tinybutmightytech.com/blog/markdown-guide-for-beginners)