OnlineMiniTools A repository of 550+ simple and straightforward online tools for your daily needs.
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Recently Added Tools
Rem To Point Converter
Convert rem values to typographic points using your root font size and standard CSS px-to-pt mapping.
Html Radio Generator
Build accessible HTML radio inputs with labels, groups, and copy-ready markup.
Density Converter
Convert density between kg/m³, g/cm³, lb/ft³, lb/in³, and other common units in the browser.
Tsv To Json Converter
Parse TSV rows into JSON arrays or keyed objects with instant browser-side conversion.
HTML Text Input Generator
Build type=text input markup with common attributes and live preview
Point To Px Converter
Convert typographic points to CSS pixels using 96 px per inch mapping
Base64 To CSS Converter
Decode Base64 text to plain CSS with UTF-8 safe decoding
Color Desaturation
Pick HEX color, slide desaturation amount, see updated HEX and RGB previews
Rem To Percent Converter
Convert rem units to percent, px, pt, and related CSS values
Tsv To Csv Converter
Convert tab-separated values to comma-separated values safely
Avif To Base64 Converter
Encode AVIF images to Base64 or data URLs locally
Xml To Json Schema Generator
Infer JSON Schema from XML structure in the browser
JavaScript to Base64 Converter
Encode plain text or Unicode strings to Base64 with UTF-8 handling, URL-safe option, and instant copy.
HTML Date and Time Input Generator
Configure HTML date, time, and datetime-local inputs and copy accessible, validation-friendly markup.
Base64 to JavaScript Converter
Decode Base64 to UTF-8 text and emit safe JavaScript string literals or Uint8Array snippets in the browser.
Email Extractor
Paste any text and extract unique email addresses instantly in your browser.
Pressure Converter
Convert pressure between pascal, bar, psi, atmosphere, torr, and millimetre of mercury.
Punycode Converter
Convert Unicode domain labels to Punycode (xn--) and back. Client-side conversion.
Reverse String
Reverse text and strings instantly in your browser.
Find Maximum Number
Find the maximum number from a list of numbers with our free online calculator. Enter numbers separated by commas, spaces, or new lines to instantly find the largest value.
Word Replacer
Find and replace words or phrases in text. Free online word replacer with case-sensitive and whole word matching options.
CSS Beautifier
CSS Formatter / Beautifier
HTML BDO Generator
Wrap text in an HTML bdo element with LTR or RTL direction. Copy-ready markup in the browser.
Convert ASCII to Image
Convert ASCII text to image files online. Transform ASCII characters into PNG, JPG, or other image formats with customizable fonts and styles.
XML to TSV Converter
Convert XML files to TSV (Tab-Separated Values) format instantly. Free online XML to TSV converter for data transformation.
Simple Interest Calculator
Calculate simple interest amount and total amount with principal, rate, and time period
Gif To Jpeg Converter
Convert GIF images to JPEG format online. Free, fast, and secure conversion with quality control and transparency handling.
Word Sorter
Sort words alphabetically in ascending or descending order. Supports uppercase, lowercase, and title case formatting.
Variance Calculator
Calculate variance for population and sample data sets with step-by-step solutions and detailed explanations.
Find Time Difference
Calculate the time difference between two times. Get duration in hours, minutes, and seconds. Perfect for tracking work hours, meeting durations, and time intervals.
Random Billing Address
Generate random US billing addresses (street, city, state, ZIP) for testing, demos, and sample data.
Lord of the Rings Name Generator
Generate authentic Lord of the Rings names for hobbits, elves, dwarves, humans, and other Middle-earth races. Perfect for RPGs, fan fiction, and fantasy writing.
Random Base64 Image Generator
Generate random base64 images according to your need.
EM to Point Converter
Convert em units to points, pixels, rem, and percent values instantly.
Normalize Unicode Text
Normalize Unicode text using standard normalization forms (NFC, NFD, NFKC, NFKD) to handle combining characters, canonical equivalence, and compatibility characters.
SHA512-256 Hash Generator
Generate SHA512-256 hash values for text and files instantly. Free online SHA512-256 hash generator with secure client-side processing. SHA512-256 produces a 256-bit hash value.
Random Number Generator
Generate random numbers between any range with customizable options. Perfect for games, simulations, and statistical analysis.
PNG to JPG Converter
Convert PNG images to high-quality JPG/JPEG format online. Free, fast, and secure image format converter with quality control and batch processing support.
CSS to SASS Converter
Convert CSS code to SASS/SCSS syntax instantly. Free online CSS to SASS converter that transforms regular CSS into SASS format with nesting, variables, and modern preprocessor features.
GCF Calculator
Calculate the greatest common factor (GCF) of two or more numbers using our free online calculator with step-by-step solutions.
Show YIQ Image Colors
Analyze and visualize images in YIQ color space with detailed color information, luminance, and chrominance analysis
SQL to HTML Converter
Convert SQL queries to HTML-safe code snippets for blogs and documentation. Free SQL to HTML converter with optional formatting.
Random Octal Numbers Generator
Generate random octal numbers (base-8) with customizable length, count, and formatting options. Perfect for programming, testing, and educational purposes.
Convert Julian Day To Date
Convert any Julian Day Number to its corresponding calendar date. Essential tool for astronomers, scientists, and researchers working with Julian Day Numbers.
Hex To IP Converter
Convert 32-bit hexadecimal IPv4 values to dotted-decimal notation with validation and grouped hex preview.
Generate Unicode Range
Generate Unicode characters from specific ranges with our free online generator. Create characters from Basic Latin, Chinese, Arabic, emojis, and other Unicode blocks.
Fake Instagram Post Generator
Generate fake Instagram post mockups for design, testing, and presentation purposes. Free online Instagram post generator with customizable content, images, and styling.
Epoch & Unix Timestamp Converter
Converts an epoch/unix timestamp into a human readable date.
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.
Website favicon downloader
Grab and download the favicon image of any website
Slug Generator
Generate user-friendly and search-engine-optimized URL slugs for your 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.
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
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.
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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