All Online Utilities (30)
Browse our complete directory of free, private, client-side tools for writing, calculations, formatting, and web development.
Word Counter
Live count words, characters, sentences, paragraphs, and reading time with instant lexical density metrics.
Character Counter
Precise character counting with and without spaces, byte length, and social media character limits.
Case Converter
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and kebab-case.
Remove Duplicate Lines
Deduplicate lists, email lists, CSV rows, and arrays with trim, case-sensitivity, and empty-line filters.
Text Cleaner
Clean up messy text by removing extra spaces, trailing tabs, redundant blank lines, and broken line wraps.
Text Diff Checker
Compare two text versions side-by-side or stacked. Highlight additions, removals, and unchanged lines instantly.
Percentage Calculator
Calculate percentage of a number, what percentage X is of Y, and percentage increase or decrease with clear formulas.
Discount Calculator
Calculate final sale price, discount amount, stackable coupons, and sales tax with complete savings receipts.
GST Calculator
Calculate GST inclusive and exclusive prices. Instant breakdown into Base Amount, CGST, SGST, and Total.
Age Calculator
Calculate exact age in years, months, days, total days lived, and countdown days until your next birthday.
Date Difference Calculator
Calculate the exact duration between two dates in total days, full weeks, months, years, and working business days.
UUID Generator
Generate cryptographically secure bulk UUID v4 identifiers instantly. Copy individual keys or bulk export.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings back to clean UTF-8 text with URL-safe encoding support.
URL Encoder / Decoder
Percent-encode and decode URLs and URI query parameters according to RFC 3986 standards.
JSON Formatter & Validator
Prettify, minify, and validate nested JSON payloads with accurate syntax error line & column highlighting.
JSON Editor & Tree Viewer
All-in-one JSON workspace: format, minify, validate, interactive tree view, table mode, structural diff comparison, and recursive key remover.
Text Utilities Workspace
Complete writing and copy workspace: live word/character counters, whitespace cleaner, line sorter, slug generator, and reverser.
Lorem Ipsum Generator
Generate placeholder Latin text by paragraphs, sentences, words, or lists with optional HTML tags and one-click copy.
Tip Calculator
Calculate dining gratuity, total bill, and split amounts evenly per person with round-up options and formula receipts.
Loan Calculator
Calculate monthly loan payments, total interest, and total loan cost with clear amortization breakdowns.
EMI Calculator
Calculate Equated Monthly Installments (EMI) for home, car, or personal loans with interest vs principal breakdowns.
Percentage Change Calculator
Calculate percentage increase, decrease, growth multiplier, and absolute difference between two numbers.
Ratio Calculator
Solve missing ratio values (A:B = C:D), simplify ratios to lowest terms, and detect standard aspect ratios like 16:9.
Average Calculator
Calculate arithmetic mean, median, mode, geometric mean, sum, and range from any list of numbers.
Compound Interest Calculator
Forecast investment growth with annual, monthly, or daily compound interest plus recurring periodic deposits.
Time Duration Calculator
Calculate exact elapsed hours, minutes, and decimal payroll hours between two times, including overnight spans.
Add / Subtract Days Calculator
Add or subtract days, weeks, months, or years from any date. Computes target calendar day or business day.
Business Days Calculator
Calculate working business days and total working hours between two dates, excluding weekends and custom holidays.
Unix Timestamp Converter
Convert Unix epoch timestamps to UTC, ISO 8601, and local date/time with a real-time live clock ticker.
Time Zone Converter
Convert and compare times across major world time zones with 24-hour timeline scrubbing and business hours badges.