Free Online Tools — UtilYard<br>UtilYard
v0.1 — 55 tools
UtilYard<br>Free tools for everyday tasks. Everything runs right in your browser.
developer→<br>JSON Formatter<br>Format, validate, and minify JSON data.<br>developer→<br>Base64 Encoder<br>Encode and decode Base64 strings.<br>developer→<br>UUID Generator<br>Generate version 4 random UUIDs.<br>developer→<br>Timestamp Converter<br>Convert Unix timestamps to dates and back.<br>developer→<br>URL Encoder/Decoder<br>Encode and decode URL components.<br>developer→<br>Hash Generator<br>Generate MD5, SHA-1, SHA-256, SHA-512 hashes.<br>developer→<br>Regex Tester<br>Test regular expressions with live highlighting.<br>developer→<br>Color Converter<br>Convert between HEX, RGB, HSL, and HSV.<br>text→<br>Word Counter<br>Count words, characters, sentences, and more.<br>text→<br>Case Converter<br>Convert text to camelCase, snake_case, and more.<br>developer→<br>JWT Decoder<br>Decode and inspect JSON Web Tokens in your browser.<br>developer→<br>HTML Entity Encoder<br>Encode and decode HTML entities and special characters.<br>developer→<br>Markdown Previewer<br>Write Markdown and see the live rendered HTML preview instantly.<br>developer→<br>Number Base Converter<br>Convert numbers between binary, octal, decimal, and hexadecimal.<br>text→<br>Character Counter<br>Count characters, letters, digits, spaces, and lines in text.<br>text→<br>Remove Duplicate Lines<br>Remove duplicate lines from text with options for case and trimming.<br>text→<br>Slug Generator<br>Convert text to a clean URL-friendly slug.<br>text→<br>Whitespace Remover<br>Remove leading/trailing spaces, blank lines, and extra whitespace from text.<br>text→<br>Reading Time Calculator<br>Calculate how long it takes to read any text at a given reading speed.<br>text→<br>Lorem Ipsum Generator<br>Generate placeholder lorem ipsum text by paragraphs, sentences, or words.<br>developer→<br>SQL Formatter<br>Format and beautify SQL queries with proper indentation.<br>developer→<br>HTML Beautifier<br>Beautify or minify HTML markup.<br>developer→<br>CSS Minifier<br>Minify and compress CSS to reduce file size.<br>developer→<br>JavaScript Minifier<br>Remove comments and whitespace from JavaScript.<br>developer→<br>Cron Expression Parser<br>Translate cron expressions into plain English.<br>developer→<br>User Agent Parser<br>Detect browser, OS, and device type from a user agent string.<br>developer→<br>Diff Checker<br>Compare two texts and highlight line-by-line changes.<br>text→<br>Text Sorter<br>Sort lines alphabetically, by length, or remove duplicates.<br>text→<br>Line Counter<br>Count lines, empty lines, and analyze line length distribution.<br>text→<br>Reverse Text<br>Reverse characters, words, or lines — or flip text upside-down.<br>text→<br>Find and Replace<br>Find and replace text with regex and case-sensitivity options.<br>text→<br>Palindrome Checker<br>Check if text is a palindrome and find the longest palindromic substring.<br>text→<br>Text Diff<br>Compare two texts word-by-word and highlight inline changes.<br>finance→<br>Mortgage Calculator<br>Calculate your monthly mortgage payment, total interest, and loan cost.<br>finance→<br>Compound Interest Calculator<br>See how your money grows over time with compound interest and regular contributions.<br>finance→<br>Loan Amortization Calculator<br>Generate a full loan amortization schedule showing principal and interest per payment.<br>finance→<br>Percentage Calculator<br>Calculate percentages, percent change, and percent difference.<br>finance→<br>Tip Calculator<br>Calculate how much to tip at a restaurant, split the bill among multiple people, and see the total per person.<br>finance→<br>Tax Bracket Calculator<br>Estimate your 2025 US federal income tax and effective tax rate by bracket.<br>finance→<br>Investment Return Calculator<br>Calculate ROI, CAGR, and average annual rate of return on any investment — including annualized return and total gain or loss.<br>finance→<br>Salary Calculator<br>Convert between hourly, daily, weekly, bi-weekly, monthly, and annual salary.<br>finance→<br>Budget Calculator<br>Split your income using the 50/30/20 rule — needs, wants, and savings.<br>finance→<br>Discount Calculator<br>Calculate sale prices, discount percentages, and how much you save.<br>finance→<br>Net Worth Calculator<br>Add up your assets and liabilities to find your current net worth.<br>finance→<br>Debt Payoff Calculator<br>Calculate how long it takes to pay off a debt, total interest paid, and how much extra payments save.<br>finance→<br>Savings Goal Calculator<br>Calculate how long it takes to reach a savings goal and how much interest you will earn along the way.<br>finance→<br>Inflation Calculator<br>Calculate the inflation-adjusted value of money over time using a custom or historical inflation rate.<br>image→<br>Image to Base64<br>Convert any image to a Base64-encoded string for embedding in HTML, CSS, or JSON.<br>image→<br>Placeholder Image Generator<br>Generate custom placeholder images for mockups and wireframes with custom dimensions, colors, and text.<br>image→<br>Image Resizer<br>Resize images to custom dimensions with aspect ratio lock. Export as JPEG, PNG, or WebP.<br>image→<br>PNG to WebP Converter<br>Convert PNG, JPEG, or GIF images to WebP format for smaller file sizes and faster page loads.<br>image→<br>Image Compressor<br>Compress images and reduce file size. Export as JPEG, WebP, or PNG with adjustable...