All tools
Every free tool on Wyvek, organised by category. All of them run in your browser — nothing you enter is uploaded or stored.
New direction
Short video · AI Creator Tools
Browser-based helpers for creator workflows: correct auto-caption wording, check subtitle readability and timing, lint AI video prompts, and keep sensitive scripts and prompts local.
Text Tools
Count, transform, clean, and compare text right in your browser — word counters, case converters, and more.
Word Counter Count words, characters, sentences & reading time. Case Converter Convert text to UPPER, lower, Title & more. Lorem Ipsum Generator Generate placeholder paragraphs, sentences & words. Text Diff Checker Compare two texts and highlight the differences. Remove Line Breaks Strip line breaks and extra whitespace from text. Reverse Text Reverse text, words, or flip lines upside down. Slug Generator Turn any text into a clean URL slug. Remove Duplicate Lines Delete duplicate lines and dedupe lists. Word Frequency Counter See how often each word appears. Text Repeater Repeat text or a phrase many times. Sort Text Lines Sort lines alphabetically or numerically. Find and Replace Text Find and replace text, with regex support. Readability Score Measure reading ease and estimated grade level.
Converters & Encoders
Encode, decode, and convert between formats — Base64, URL encoding, JSON, colors, number bases, and more.
Base64 Encode / Decode Encode or decode Base64 text and data URIs. URL Encoder / Decoder Percent-encode or decode URLs and query strings. HTML Entity Encoder / Decoder Escape or unescape HTML entities like &. Number Base Converter Convert between binary, octal, decimal & hex. Color Converter Convert colors between HEX, RGB, and HSL. JSON to CSV Converter Convert JSON arrays into CSV. CSV to JSON Converter Convert CSV data into JSON. Image to Base64 Encode images as Base64 data URIs. Markdown to HTML Convert Markdown into clean HTML. Morse Code Translator Translate text to and from Morse code. Binary Code Translator Translate text to binary and back. YAML to JSON Converter Convert between YAML and JSON. HTML to Markdown Convert HTML into clean Markdown. Roman Numeral Converter Convert numbers to Roman numerals and back. Caesar Cipher / ROT13 Encode and decode Caesar shift ciphers. Unit Converter Convert length, weight, temperature & more. Temperature Converter Convert Celsius, Fahrenheit & Kelvin. XML Formatter Beautify, minify & validate XML. Text Encrypt / Decrypt AES-encrypt text with a password. Image Resizer Resize images by pixels or percent. Image Compressor Compress JPG & PNG images.
Web & Design Tools
Utilities for developers and designers — formatters, validators, color and CSS generators, and web helpers.
JSON Formatter & Validator Beautify, minify, and validate JSON instantly. Regex Tester Test regular expressions with live matches. JWT Decoder Decode and inspect JWT tokens. URL Parser Break a URL into its components. Color Palette Generator Generate color palettes and schemes. CSS Gradient Generator Design CSS gradients with live preview. CSS Box Shadow Generator Build CSS box-shadows visually. Meta Tag Generator Generate SEO & Open Graph meta tags. UTM Link Builder Build tagged campaign tracking URLs. Color Contrast Checker Check color pairs against WCAG contrast levels. PX to REM Converter Convert CSS pixels and rem units both ways.
Calculators
Fast, accurate everyday calculators — percentages, BMI, age, loans, and financial math.
Percentage Calculator Work out percentages, increases & differences. BMI Calculator Calculate body mass index in metric or imperial. Age Calculator Find exact age in years, months, and days. Loan Calculator Estimate monthly payments and total interest. Tip Calculator Calculate tips and split the bill. Discount Calculator Work out sale prices and savings. GPA Calculator Calculate your grade point average. Aspect Ratio Calculator Resize dimensions keeping the ratio. Sales Tax Calculator Add or remove sales tax from a price. Compound Interest Calculator See how savings grow over time. Average Calculator Find mean, median, mode and range. Time Duration Calculator Hours and minutes between two times. BMR & Calorie Calculator Estimate daily calorie needs. Ideal Weight Calculator Estimate your ideal body weight.
Generators
Generate what you need instantly — secure passwords, UUIDs, hashes, QR codes, and placeholder text.
Password Generator Create strong, random, secure passwords. UUID Generator Generate random UUID / GUID v4 identifiers. Hash Generator Generate MD5, SHA-1, and SHA-256 hashes. QR Code Generator Create QR codes for links, text, and more. Random Number Generator Generate random numbers in any range. Random Picker Pick a random winner from a list. Dice Roller Roll virtual dice online. Password Strength Checker Test how strong a password is. Text to Speech Read text aloud in your browser.
Time & Date
Work with time and dates — Unix timestamp conversion, date math, and more.
Unix Timestamp Converter Convert Unix timestamps to dates and back. Business Days Calculator Count, add, or subtract workdays with custom days off. Date Difference Calculator Count days, weeks & months between dates. Date Calculator Add or subtract days from a date. Time Zone Converter Convert times between time zones.