All Categories
Explore a wide range of tools and utilities available on UtilStation. Click on a category to view the tools within it.
Mathematics
Mathematics tools are essential resources for students, teachers, engineers, and professionals to solve complex problems, perform calculations, and visualize mathematical concepts. Whether you're working on homework, research, or professional projects.
Fraction Calculator
Perform fraction calculations including addition, subtraction, multiplication, and division. Automatically simplifies results and converts improper fractions to mixed numbers. Perfect for math homework and everyday calculations.
fractionsmathnumbers
BMI Calculator
Calculate your Body Mass Index (BMI) using metric or imperial measurements. Get your weight category classification and health insights. Supports kilograms/centimeters and pounds/feet/inches.
numbersmathhealthbmi
Percentage Calculator
Free online percentage calculator. Calculate what percent of a number, percentage increase and decrease, percentage change between values, and solve reverse percentage problems. Includes formulas and examples.
mathnumbers
Text Utilities
Comprehensive text processing tools for everyday text manipulation tasks.
Case Converter
Convert text to different letter cases, such as upper case, lower case, and more.
textconverterascii
Hidden Character Cleaner
Remove hidden or unwanted characters from text to clean up data before processing.
cleanercharacterascii
Text Difference Viewer
Compare two texts side by side with a clean diff view and quick presets.
viewerdifferencepreviewcomparevisualizediff
Password Generator
Generate strong and secure passwords for your online accounts and data protection.
randompasswordgenerator
Word Counter
Count the number of words, characters, and sentences in your text for analysis and statistics.
wordcountertextstatistics
SEO Tools
Essential tools for search engine optimization, website analysis, and improving online visibility.
Meta Tag Generator
Generate essential meta tags for better SEO including title, description, keywords, and Open Graph tags.
htmlseometa tagsopen graphtwitter cardsweb development
Twitter Card Preview
Preview and validate Twitter Card markup to ensure your content displays correctly on Twitter.
twittersocial mediatwitter cardsvalidationpreview
Image Resizer
Resize images to multiple dimensions simultaneously. Create responsive images, thumbnails, and optimized versions with custom scaling and exact dimensions.
photobatchimageoptimizerconverterresizeseodimensionsscaleresponsive
References
Quick access to essential reference materials for developers, including ASCII tables, status codes, and cheat sheets.
HTTP Status Codes
Complete reference for HTTP response status codes with descriptions, use cases, and categories.
httpreferencestatus codesweb developmentapi
Country Codes
Comprehensive reference for ISO country codes with flags, names, and regional information.
flagsreferencecountry codescountriesiso
HTML Entities
Complete HTML character entity reference with symbols, special characters, and escape codes.
entitieshtmlcharacterssymbolsweb development
CSS Color Codes
Complete CSS color reference with hex, RGB, HSL values, and visual previews for web development and design.
rgbcss colorshex colorshslreferencecolor paletteweb designmaterial design
Port Numbers
Comprehensive reference for network port numbers, protocols, and services used in networking and development.
protocolsport numbersudptcpreferenceservicesnetworking
MIME Types
Complete reference for MIME types and file extensions used in web development and file handling.
file extensionsreferencecontent typesweb developmentmime types
ASCII Table
Complete ASCII character reference table with decimal, hexadecimal, binary, and octal values.
charactersreferenceencodingasciitable
Entertainment
Fun and engaging tools for games, random decisions, and creative activities.
Coin Flip
Flip a virtual coin for quick yes/no decisions. Simple, fair, and instant results.
tailsdecisionflipcoinrandomfunheads
Developer Tools
Tools for developers to assist with programming tasks.
Base64 Encoder/Decoder
Encode and decode base64 strings or files, commonly used for encoding binary data in text format.
base64encoderconverterdecoder
RegExp: Regular Expression Tester
Test regular expressions with live matches, flags, highlights, and capture group details.
visualizeregular expressionsearchpatterndebugkeywordsregex
Fake Data Generator
Generate realistic test data using Faker.js for development, testing, and prototyping. Create fake users, addresses, companies, and more.
prototypingdummy datafake dataapi testingtestingtest datasample datamock datafaker.jsdevelopmentdatabase seeding
JSON Viewer
Visualize JSON data in a tree structure, making it easier to understand complex JSON data.
jsonvisualizeviewerprogrammingLanguagestree
ULID Generator
Generate unique ULIDs (Universally Unique Lexicographically Sortable Identifiers) for distributed systems.
uniquegeneratorrandomdatabaseguidulid
Markdown Editor/Viewer
Edit and preview markdown content in real time, making it easy to format and share documents.
viewerpreviewmarkdowneditor
JSON Data Query
Query JSON data using dot notation and array indexing to extract specific values from complex JSON structures.
viewerpreviewdatabasejsonvisualizedevelopmentextractaccessornavigationquerytestingdatajsonpathprototypingpath
Cron Expression Parser
Convert cron expressions into human-readable formats for easy understanding and debugging.
crondevopsparserserver
JSON Difference Viewer
Compare two JSON objects and visualize the differences for easy analysis.
jsonprogrammingLanguagescomparevisualizepreviewdiffviewereditordifference
JWT Inspector
Decode, inspect, and verify JSON Web Tokens with signature checks and claim validation.
jwtdevelopmentinspectorprototypingapi testingtesting
Cron Expression Generator
Generate and test cron expressions to create precise schedules for task automation.
servercrongeneratordevops
JSON Schema Validator
Validate JSON against a schema with inline errors, presets, and draft selection.
json-schemaschema markupstructured datavalidatorschemajson
Linux File Permission Generator
Generate and customize Linux file permissions using chmod values to control access and security settings for your files and directories.
unixlinuxsecuritygeneratordevops
UUID Generator
Generate random UUIDs for use in databases, session management, and unique identifiers.
uniquerandomgeneratordatabaseguiduuid
Hash Generator
Compute SHA hashes (SHA-1/256/384/512) for text or files with quick copy outputs.
sha512developmentgeneratorsha384hashsha256sha1
QR Code Generator
Generate high-quality QR codes from any text with customizable options for URLs, contact info, WiFi passwords and more.
qrcodeurlgeneratormobilesharingbarcodeqr
URL Encoder/Decoder
Encode and decode URLs with support for both standard URI encoding and component encoding methods.
encoderweb developmentdecoderuripercent encodingurl
Code Formatters
Tools that help format and beautify code in different languages.
JSON Formatter
Quickly beautify or minify JSON data, making it easier to share or work with.
formatterminifybeautifyprogrammingLanguagesjson
File Converters
Tools for converting between different file formats.
JSON to YAML Converter
Convert JSON data to YAML format for readable configuration and documentation.
converterjsonyamldevops
Markdown to HTML Converter
Convert Markdown files to HTML format for web publishing and sharing.
convertermarkdownhtml
CSV to JSON Converter
Convert CSV files to JSON format for easier data manipulation and integration.
jsoncsvconverter
JSON to TypeScript Interface
Convert JSON data into TypeScript interfaces for easy integration with your codebase.
interfacejsonconverterprogrammingLanguagestypescript
YAML to JSON Converter
Convert YAML configuration files to JSON format for easier processing and integration.
converterdevopsjsonyaml
JSON to CSV Converter
Convert JSON data into CSV format for easier data analysis and sharing.
jsoncsvconverter
JSON to Rust Struct
Convert JSON data into Rust structs for easy integration with your codebase.
jsonconverterrustprogrammingLanguagesstruct
JSON to JavaScript Object
Convert JSON data into JavaScript object declarations with customizable variable names and export options.
programmingLanguagesjsonobjectconverterjavascript
Unit Converters
Tools for converting between different units of measurement.
Length Converter
Convert between different units of length, such as meters, feet, and miles.
lengthconverter
Volume Converter
Convert between different units of volume, such as liters, gallons, and cubic meters.
convertervolume
Data Storage Converter
Convert between different units of data storage, such as bytes, kilobytes, and gigabytes.
storageconverterdata
Number Base Converter
A number base converter lets you switch a value between decimal (base 10), hexadecimal (base 16), binary (base 2), and octal (base 8). It is handy when you work with low-level code, color values, network masks, or debugging binary data.
binarydatanumbershexamathconverter
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin temperature scales with ease.
temperatureconverter
Weight Converter
Convert between different units of weight, such as kilograms, pounds, and ounces.
converterweight
Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds with 15+ output formats including ISO 8601, UTC, relative time, and custom date formats. Includes copy buttons for quick use.
datetimestampunixsecondsutcmillisecondsiso-8601linuxepoch