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.
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.
Convert Unicode To Bytes
Convert Unicode text to raw bytes with multiple encoding options including UTF-8, UTF-16, and UTF-32. View byte details and export results.
String Binary Converter
Convert strings to binary and binary to text online. Free bidirectional string to binary converter with real-time conversion. Perfect for encoding, decoding, and learning binary representation.
UrlEncoder
Encode any string to URL-safe format using percent encoding
YAML To JSON Schema Generator
Generate Draft-07 JSON Schemas from arbitrary YAML documents instantly in your browser.
Webp To Png Converter
Convert WebP images to PNG format online. Free, fast, and secure conversion with transparency preservation and batch processing capabilities.
Source Code Viewer
View and format source code with syntax highlighting. Free online source code viewer that displays code in a readable format with support for multiple programming languages and file uploads.
Pythagorean Calculator
Calculate the missing side or angle of a right triangle using the Pythagorean theorem. Free online calculator with step-by-step solutions.
View Transparent Image Regions
Upload an image to visualize transparent, semi-transparent, and opaque regions with customizable colors and detailed pixel statistics
Facebook Bold Text
Convert text to Unicode bold styles for social posts.
Random CSV Generator
Generate random CSV data with customizable columns, data types, and values for testing and development purposes.
Spell Calendar Date
Convert calendar dates to words and text format
IP to Binary Converter
Convert IPv4 addresses to dot-separated 32-bit binary format instantly with multi-line support and validation.
Rotate Unicode
Rotate Unicode text by specified positions with our free online tool. Shift characters left or right while preserving text structure and Unicode integrity.
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
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.
Convolution Calculator
Calculate discrete convolution of two sequences with step-by-step results
Matrix Multiply Calculator
Multiply two matrices with step-by-step solutions, dimension validation, and detailed explanations for matrix multiplication operations.
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 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.
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.
Linear Recurrence Calculator
Calculate and generate linear recurrence sequences with custom coefficients and initial values
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.
Contacts
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