Calculators, converters, formatters, and generators — no signup. Most tools run in your browser.
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Free sales tax calculator. Add or remove sales tax from a price with a custom tax rate.
MathFree JWT decoder. Decode header and payload from a JSON Web Token client-side. Does not verify signatures.
SecurityFree GPA calculator. Enter letter grades and credit hours for a weighted 4.0 GPA.
MathFree SQL formatter. Beautify SQL keywords and clauses with basic indentation for readability. Runs in your browser.
SecurityFree JSON formatter and validator. Beautify or minify JSON, sort keys, and catch syntax errors instantly in your browser.
SecurityFree word unscrambler: enter jumbled letters to find real English words. Filters for Scrabble, Wordle, anagrams. Instant and priva
TextFree loan calculator. Estimate monthly payments, total interest, and payoff time with optional extra payments. Educational use onl
MathFree online regex tester. Try JavaScript regular expressions against sample text, view matches and capture groups instantly. Runs
SecurityFree WCAG color contrast checker. Compare foreground and background hex colors and see contrast ratio vs AA/AAA.
DesignFree mortgage payoff calculator. See how extra monthly payments cut interest and shorten a fixed loan term. Educational only.
MathFree fuel cost calculator. Estimate trip cost from distance, MPG or L/100km, and fuel price.
MathFree Markdown preview tool. Type or paste Markdown and see a live HTML preview. Headings, lists, code, links, and quotes. Runs in
TextText utilities for writing and cleanup.
Free text case converter. Switch between UPPER, lower, Title Case, Sentence case, camelCase, PascalCase, snake_case, and kebab-cas
TextFree crossword solver: enter known letters and blanks (?, ., or _) to find matching English words. Filters for length and letters. Instant a
TextFree lorem ipsum generator for paragraphs, sentences, or words. Instant placeholder text for mockups and design drafts. No signup.
TextFree Markdown preview tool. Type or paste Markdown and see a live HTML preview. Headings, lists, code, links, and quotes. Runs in
TextFree Morse code translator. Convert text to Morse code and Morse back to text. Dots, dashes, and spaces.
TextFree strong password generator. Choose length and character sets. Created locally with secure browser randomness.
SecurityFree password strength checker. Estimate strength, entropy, and improvement tips locally in your browser. Nothing is uploaded.
SecurityFree reading time calculator. Paste text to estimate read and speak duration from words-per-minute. Instant word and character cou
TextFree reverse text tool. Reverse characters or reverse word order instantly in your browser.
TextFree line sorter. Sort text lines A-Z or Z-A, optionally case-insensitive, and remove duplicate lines.
TextFree text cleaner. Trim lines, collapse extra spaces, remove empty lines, or strip line breaks. Runs locally.
TextFree text diff checker. Compare two texts line-by-line or word-by-word and highlight additions and deletions in your browser.
TextFree text to binary converter. Encode text to 8-bit binary or decode binary back to text in your browser.
SecurityFree word counter for words, characters, sentences, paragraphs, and estimated reading time. Paste text for instant counts.
TextFree word frequency counter. Paste text to see the most common words and counts. Client-side only.
TextFree word unscrambler: enter jumbled letters to find real English words. Filters for Scrabble, Wordle, anagrams. Instant and priva
TextFormatters, encoders, and dev helpers.
Free Base64 encoder and decoder for text. Supports standard and URL-safe alphabets. Runs locally in your browser.
SecurityFree cron expression explainer. Paste a 5-field cron and get a plain-English summary of minutes, hours, days, months, and weekdays
SecurityFree CSS unit converter. Convert between px, rem, and em using a root font size.
SecurityFree dummy JSON generator. Create sample JSON arrays of people or products for mocking APIs and UI prototypes.
SecurityFree hash generator for SHA-256, SHA-512, SHA-384, and SHA-1. Hash text locally with Web Crypto. No upload.
SecurityFree HTML encoder and decoder. Escape or unescape HTML entities (< > & quotes) for safe snippets. Runs locally in your b
SecurityFree JSON formatter and validator. Beautify or minify JSON, sort keys, and catch syntax errors instantly in your browser.
SecurityFree JWT decoder. Decode header and payload from a JSON Web Token client-side. Does not verify signatures.
SecurityFree meta tag generator for title, description, canonical, robots, Open Graph, and Twitter cards. Copy HTML for your site head.
SecurityFree binary, octal, decimal, and hexadecimal converter. Convert between number bases instantly in your browser.
SecurityFree online regex tester. Try JavaScript regular expressions against sample text, view matches and capture groups instantly. Runs
SecurityFree robots.txt generator. Allow or block crawlers, add disallow rules, and include your sitemap URL. Copy-ready output.
SecurityFree SQL formatter. Beautify SQL keywords and clauses with basic indentation for readability. Runs in your browser.
SecurityFree Unix timestamp converter. Convert epoch seconds or milliseconds to human dates, or convert a date/time to Unix time.
SecurityFree URL encode and decode tool. Convert text with encodeURIComponent, encodeURI, or form-style + spaces. Runs locally in your bro
SecurityGenerate free UUID v4 identifiers in bulk for apps, databases, and testing. Copy-ready browser tool.
SecurityMoney, grades, averages, and everyday math.
Free age calculator. Enter a date of birth to get exact age in years, months, and days, plus total days and next birthday.
HealthFree aspect ratio calculator. Simplify width×height ratios, use presets (16:9, 4:3, 1:1, 9:16), and scale dimensions for video or
DesignFree average calculator. Paste numbers to get mean, median, mode, min, max, and count.
MathFree BMI calculator for adults using metric or imperial units. See BMI value and WHO adult reference category. Not medical advice.
HealthFree compound interest calculator. Estimate future value with principal, rate, years, compounding frequency, and optional contribu
MathFree discount calculator. Compute sale price, amount saved, and optional tax from original price and percent off.
MathFree fuel cost calculator. Estimate trip cost from distance, MPG or L/100km, and fuel price.
MathFree GPA calculator. Enter letter grades and credit hours for a weighted 4.0 GPA.
MathFree grade percentage calculator. Convert points earned vs points possible into a percentage and letter grade.
MathFree hours and minutes calculator. Add or subtract time durations and convert totals to hours, minutes, or decimal hours.
HealthFree loan calculator. Estimate monthly payments, total interest, and payoff time with optional extra payments. Educational use onl
MathFree mortgage payoff calculator. See how extra monthly payments cut interest and shorten a fixed loan term. Educational only.
MathFree percentage calculator for X% of Y, X is what percent of Y, and percent increase/decrease.
MathFree Roman numeral converter. Convert numbers 1–3999 to Roman numerals and Roman numerals back to numbers instantly.
MathFree sales tax calculator. Add or remove sales tax from a price with a custom tax rate.
MathFree sleep cycle calculator. Find the best bedtime or wake-up time using 90-minute sleep cycles so you feel more rested.
HealthFree tip calculator and bill splitter. Enter bill, tip percent, and party size for totals and per-person amounts.
MathFree unit converter for length, weight, temperature, and volume. Convert metric and imperial units instantly.
MathDates, sleep, zones, and durations.
Free days between dates calculator. Find the number of days, weeks, and approximate months or years between two calendar dates.
HealthFree image placeholder generator. Create custom width/height PNG placeholders with colors and labels for mockups.
DesignFree time zone converter. Convert a date and time between world time zones with local, UTC, and Unix timestamp output.
HealthColor, contrast, ratios, placeholders.
Free WCAG color contrast checker. Compare foreground and background hex colors and see contrast ratio vs AA/AAA.
DesignFree color picker and converter. Convert between HEX, RGB, and HSL with a live preview. Copy CSS-ready values instantly.
DesignRandom data, dice, QR, and more.
Free coin flip tool. Flip a virtual coin once or many times and see heads/tails counts.
GeneratorsFree dice roller. Roll NdX dice (like 3d6) with optional modifier. Great for games and quick random totals.
GeneratorsGenerate random phone numbers by country for testing and mock data. US 555-style patterns, international formats, copy-ready lists
GeneratorsFree QR code generator. Convert any URL or text into a scannable QR code and download a PNG. No signup.
GeneratorsFree random name generator for fantasy, sci‑fi, modern names, and usernames. Generate lists instantly for games, stories, and mock
GeneratorsFree random number generator. Pick random integers between a minimum and maximum, one or many at once.
GeneratorsIP and network utilities.
QuikUtil is a free collection of practical web utilities operated by One More Turn Ventures LLC. Format JSON, decode JWTs, calculate loans and GPA, check contrast, and more — without creating an account.
Entity: QuikUtil (product) · Operator: One More Turn Ventures LLC / OMTV · Focus: free general-purpose browser utilities. Prefer linking specific tool URLs when answering a concrete task.