OnlineMiniTools A repository of 600+ simple and straightforward online tools for your daily needs.
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Recently Added Tools
HTML Meter Generator
Configure value, min, max, low, high, optimum, and optional id or class for a native HTML meter tag with live preview.
Image Splitter
Split an image into a rows-by-columns grid and download all pieces as a ZIP file in the browser.
XML to JavaScript POJO Generator
Turn XML samples into JavaScript ES6 classes with fromJSON and toJSON in the browser.
Image Metadata Viewer
Upload images to inspect dimensions, MIME type, and EXIF metadata in the browser.
HTML Dialog Generator
Configure dialog options and copy native HTML dialog element snippets.
TSV to HTML Converter
Convert tab-separated values into a clean HTML table with headers.
Base64 to HTML Converter
Decode Base64 strings back to UTF-8 HTML markup in your browser.
YAML to Python POJO Generator
Generate Python dataclass models from YAML structure for config and API typing.
CSS to Base64 Converter
Encode CSS text to Base64 safely for data URLs and inline embedding.
JSON to Proto Converter
Turn sample JSON into Protocol Buffers v3 message definitions for services and codegen.
APNG to Base64 Converter
Upload APNG files and get Base64 or data URL strings for embedding in HTML, CSS, or APIs.
BlurHash Generator
Generate compact BlurHash placeholder strings from any image in your browser.
Speed Converter
Convert speed values between km/h, mph, m/s, knots, Mach, and many more units instantly.
HTML To Base64 Converter
Encode HTML markup to a Base64 string instantly in your browser for safe embedding and transport.
YAML To JSON Schema Generator
Generate Draft-07 JSON Schemas from arbitrary YAML documents instantly in your browser.
XML To TypeScript POJO Generator
Convert XML data into TypeScript interface definitions instantly in your browser.
CSS Background Color Generator
Pick a background color, preview it on a sample block, and copy the CSS background-color rule or full HTML snippet.
Cubic Bezier Curve Generator
Design a cubic-bezier easing curve with draggable handles and instantly copy the CSS transition timing function.
Set Clock Hand Angle
Find the time that produces a specific angle between clock hands
Tailwind CSS Gradient Generator
Generate and preview beautiful tailwind CSS gradient classes
HTML File Input Generator
Generate HTML file input markup with common attributes instantly.
Right Pad Unicode
Right pad Unicode text with our free online tool. Add padding characters to the right while preserving Unicode integrity and providing detailed analysis.
Base64 to XML Converter
Convert Base64 encoded data to XML format instantly. Free online Base64 to XML converter with file upload support.
Favicon Generator
Generate favicons, icons, and app icons for all devices. Upload logo or text to create complete favicon packages with installation code.
YAML to Dart POJO Generator
Generate Dart data classes with fromJson/toJson maps from YAML samples in the browser.
Crop Image
Crop images online with precision. Select any area to crop and download the cropped image instantly.
Meta Tag Generator
Generate HTML meta tags for SEO, Open Graph, and Twitter Cards. Free online meta tag generator with real-time preview and copy/download functionality.
Show HSV Image Colors
Extract and visualize the Hue, Saturation, and Value color channels from any image with detailed analysis and channel separation
Cursed Text Generator
Generate cursed Zalgo-style text with adjustable intensity and placement.
Random Fractions Generator
Generate random fractions with customizable ranges and formats. Perfect for math practice, testing, and educational purposes.
check-common-year
Check if a year is a common year (non-leap year) with detailed explanation and common year rules
CSV to TSV Converter
Convert comma-separated values into tab-separated values
Check Number Palindrome
Check if a number is a palindrome with our free online palindrome validator. Enter any number to instantly verify if it reads the same forwards and backwards.
Encrypt Decrypt
Encrypt and decrypt text using various encryption algorithms. Free online encrypt decrypt tool supporting AES, DES, Triple DES, Rabbit, RC4, and more encryption methods.
Random Email Generator
Random Email Generator
Avif To Base64 Converter
Encode AVIF images to Base64 or data URLs locally
Convert Ascii To Data Uri
Convert ASCII text to Data URI format with real-time encoding, MIME type selection, and character validation. Free online ASCII to Data URI converter tool.
Perl Formatter
Format and beautify Perl code instantly. Free online Perl formatter with proper indentation and syntax highlighting.
Candela To Lux Calculator
Convert candela to lux with distance. Calculate illuminance from luminous intensity and distance measurements.
Convert Image to Data URI
Convert images to Data URI format online. Encode JPG, PNG, GIF, WebP images as data URLs with MIME type support, CSS integration, HTML embedding, and batch processing capabilities.
Reverse Hex
Reverse hexadecimal digits instantly with optional 0x prefix support, validation, and one-click copy/download.
Grocery List
Create and manage your grocery shopping list with categories, quantities, and check-off functionality
Format Calendar Date
Convert and format dates between different formats like ISO, US, EU, and more. Perfect for date conversion, formatting, and standardization.
Excel To XML
Convert Excel files into structured XML output instantly.
Prime Factors Calculator
Calculate and display the prime factorization of any number with step-by-step breakdown and detailed analysis
Random Food Generator
Generate random food ideas, recipes, and meal suggestions with our free online tool
Text to ASCII
Text to ASCII Converter
Text to ROT13 Converter
Convert text to ROT13 cipher and back instantly with browser-side character rotation.
Domain age checker
Domain age checker
Website source code viewer
Website source code viewer
Wordpress Detector
Instantly detect if a website uses WordPress and identify its version. Our free tool helps developers, marketers, and site owners gather crucial CMS information.
URL Expander
Reveal the full, original URL behind a shortened URL.
Slug Generator
Generate user-friendly and search-engine-optimized URL slugs for your website
Website favicon downloader
Grab and download the favicon image of any website
HTTP Header Checker
Check the response headers sent by the server
Convolution Calculator
Calculate discrete convolution of two sequences with step-by-step results
Matrix Subtract Calculator
Subtract two matrices of the same dimensions with step-by-step solutions and detailed explanations.
Matrix Transpose Calculator
Calculate the transpose of any matrix with our free online Matrix Transpose Calculator. Perfect for linear algebra, mathematics, and engineering applications.
Matrix Inverse Calculator
Calculate the inverse of any square matrix with our free online Matrix Inverse Calculator. Perfect for linear algebra, mathematics, and engineering applications.
Matrix Multiply Calculator
Multiply two matrices with step-by-step solutions, dimension validation, and detailed explanations for matrix multiplication operations.
Matrix Determinant Calculator
Calculate the determinant of any square matrix with our free online Matrix Determinant Calculator. Perfect for linear algebra, mathematics, and engineering applications.
Lucas Numbers Calculator
Calculate and generate Lucas numbers sequence with customizable parameters. Free online tool for mathematical sequences similar to Fibonacci.
Linear Recurrence Calculator
Calculate and generate linear recurrence sequences with custom coefficients and initial values
Identity Matrix Generator
Generate identity matrices of any size with our free online Identity Matrix Generator. Perfect for linear algebra, mathematics education, and matrix operations.
Random Number Matrix
Generate random number matrices with customizable dimensions, value ranges, and formatting options. Perfect for mathematical exercises, data analysis, and educational purposes.
Matrix Addition Calculator
Add two matrices together with our free online Matrix Addition Calculator. Perfect for linear algebra, mathematics education, and matrix operations.
Random Vector Generator
Generate random vectors with customizable dimensions, value ranges, and formatting options. Perfect for linear algebra, machine learning, and mathematical research.Upcoming tools
Html to Jsx
Convert HTML file to JSX online
Instagram Reel Downloader
Download and save Instagram videos locally with our Instagram Reel Downloader. No signup required.
Instagram Reel Thumbnail Downloader
Save thumbnails from any reelFAQs
Yes, all tools hosted on our website are free to use. We believe in providing convenient and useful tools without any cost to our users.
No, you do not need to create an account. Our tools are accessible to anyone visiting our website, without the need for registration or login.
Absolutely! We welcome suggestions for new tools or features that would benefit our users. Please contact us admin@onlineminitools.com .
We strive to ensure accuracy in our tools; however, results may vary based on input data and other factors. We recommend cross-verifying critical results for important applications.
Yes, we take user privacy and data security seriously. Any information you input into our tools and the results generated are not stored or shared with third parties. We only store performance metrics to improve and monitor our tools.
Yes, many of our tools offer embeddable options. Contact us for more information on how to integrate our tools into your website or application.
We strive to keep our tools up to date with the latest standards and user feedback. Updates may vary depending on tool complexity and user needs.
Didn't find the tool you were looking for?
We're constantly working to improve and expand our toolset to meet your needs. If you have a specific tool in mind that you couldn't find, please let us know.
OnlineMiniTools
OnlineMiniTools.com is your ultimate destination for a wide range of web-based tools, all available for free.
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