Tool Reference

Utility Hub Documentation

Explore guides, use cases, and examples for every utility tool.

Media & Design

Image Converter

Media & Design

Compress and convert images to different formats

Use Cases

  • Convert images between JPG, PNG, WebP formats
  • Compress images to reduce file size for web
  • Optimize images for social media posts

Key Concepts

Image CompressionFormat ConversionWeb Optimization
Example
Upload a 5MB PNG and convert to optimized WebP at 80% quality

YouTube Converter

Media & Design

Convert YouTube URLs to embed codes

Use Cases

  • Generate embed codes for YouTube videos
  • Create responsive video players
  • Extract video IDs from YouTube URLs

Key Concepts

Video EmbeddingiFrameResponsive Design
Example
Convert youtube.com/watch?v=dQw4w9WgXcQ to embed code

YouTube Clip Generator

Media & Design

Generate shareable clips from YouTube videos

Use Cases

  • Create shareable clips with start/end times
  • Generate timestamp links for video highlights
  • Share specific video segments

Key Concepts

Video TimestampsURL ParametersClip Sharing
Example
Create clip from 1:30 to 2:45 of any YouTube video

YouTube Audio Extractor

Media & Design

Extract and download audio from YouTube videos

Use Cases

  • Extract audio tracks from YouTube videos
  • Create audio files from music videos
  • Download podcast episodes from YouTube

Key Concepts

Audio ExtractionMedia ConversionFile Download
Example
Extract audio from a YouTube music video as MP3

Content Tools

Slug Generator

Content Tools

Convert text to URL-friendly slugs

Use Cases

  • Create SEO-friendly URLs from blog titles
  • Generate clean permalinks for web pages
  • Convert product names to URL slugs

Key Concepts

URL SlugsSEO OptimizationURL Encoding
Example
Convert 'Best JavaScript Tips & Tricks!' to 'best-javascript-tips-tricks'

Word Counter

Content Tools

Count words, characters, and reading time

Use Cases

  • Count words in essays and articles
  • Calculate reading time for blog posts
  • Track character limits for social media

Key Concepts

Text AnalysisStatisticsContent Metrics
Example
Analyze 500-word article: 500 words, 2,800 characters, 2 min read

Text Case Converter

Content Tools

Convert text to different cases

Use Cases

  • Convert text to UPPERCASE or lowercase
  • Format titles in Title Case
  • Transform to camelCase or snake_case

Key Concepts

Text TransformationString ManipulationFormatting
Example
Convert 'hello world' to 'Hello World' (Title Case)

Lorem Ipsum Generator

Content Tools

Generate placeholder text for designs

Use Cases

  • Generate placeholder text for mockups
  • Create dummy content for web designs
  • Fill templates with sample text

Key Concepts

Placeholder ContentDesign MockupsTypography
Example
Generate 5 paragraphs of Lorem Ipsum text

Find & Replace

Content Tools

Find and replace text patterns in bulk

Use Cases

  • Bulk replace text in documents
  • Find and fix typos across content
  • Replace patterns using regex

Key Concepts

Text SearchPattern MatchingRegex
Example
Replace all 'color' with 'colour' in document

Duplicate Line Remover

Content Tools

Remove duplicate lines from text

Use Cases

  • Remove duplicate entries from lists
  • Clean up redundant data
  • Extract unique values from datasets

Key Concepts

Data CleaningDeduplicationSet Operations
Example
Remove duplicate email addresses from contact list

Reverse Text

Content Tools

Reverse any text string

Use Cases

  • Reverse text for creative effects
  • Flip strings for puzzles
  • Mirror text for design

Key Concepts

String ReversalText ManipulationCharacter Order
Example
Reverse 'Hello World' to 'dlroW olleH'

Character Frequency

Content Tools

Analyze character frequency in text

Use Cases

  • Analyze character distribution in text
  • Count letter occurrences
  • Study text patterns and statistics

Key Concepts

Frequency AnalysisText StatisticsData Visualization
Example
Analyze 'hello' - h:1, e:1, l:2, o:1

SEO Meta Generator

Content Tools

Generate SEO meta tags for your pages

Use Cases

  • Generate meta tags for websites
  • Create SEO-optimized descriptions
  • Build Open Graph tags for social media

Key Concepts

SEOMeta TagsSearch Optimization
Example
Generate <meta> tags with title, description, and keywords

Reading Time Calculator

Content Tools

Calculate reading time for your content

Use Cases

  • Estimate article reading time
  • Calculate blog post duration
  • Display content length to readers

Key Concepts

Reading SpeedContent MetricsUser Experience
Example
1,500 words = Approximately 6 minutes reading time

Whitespace Remover

Content Tools

Remove extra whitespace from text

Use Cases

  • Remove extra spaces from text
  • Clean up messy formatting
  • Trim leading and trailing spaces

Key Concepts

Text CleaningWhitespaceString Manipulation
Example
Clean 'Hello World' to 'Hello World'

Developer Tools

Color Converter

Developer Tools

Convert between HEX, RGB, and HSL colors

Use Cases

  • Convert HEX colors to RGB for CSS
  • Transform RGB values to HSL for design
  • Pick and convert colors between formats

Key Concepts

Color ModelsHEXRGB
Example
Convert #FF5733 to rgb(255, 87, 51) and hsl(9, 100%, 60%)

JSON Formatter

Developer Tools

Format and validate JSON data

Use Cases

  • Format messy JSON for readability
  • Validate JSON syntax and structure
  • Minify JSON to reduce file size

Key Concepts

JSONData ValidationPretty Print
Example
Format compact JSON to readable, indented structure

Base64 Converter

Developer Tools

Encode and decode Base64 text

Use Cases

  • Encode text or data to Base64
  • Decode Base64 strings to original text
  • Convert images to Base64 for embedding

Key Concepts

Base64 EncodingBinary to TextData URI
Example
Encode 'Hello World' to 'SGVsbG8gV29ybGQ='

URL Encoder/Decoder

Developer Tools

Encode and decode URLs

Use Cases

  • Encode URLs with special characters
  • Decode percent-encoded URLs
  • Sanitize URLs for API requests

Key Concepts

URL EncodingPercent EncodingURI
Example
Encode 'hello world' to 'hello%20world'

Code Formatter

Developer Tools

Format and beautify HTML, CSS, and JavaScript

Use Cases

  • Format minified JavaScript code
  • Beautify compressed HTML/CSS
  • Auto-indent messy code

Key Concepts

Code FormattingSyntax BeautificationIndentation
Example
Format minified JS to readable, indented code

UUID Generator

Developer Tools

Generate unique identifiers

Use Cases

  • Generate UUIDs for database records
  • Create unique session IDs
  • Make random identifiers for APIs

Key Concepts

UUIDGUIDUnique Identifiers
Example
Generate: '550e8400-e29b-41d4-a716-446655440000'

Regex Tester

Developer Tools

Test and validate regular expressions

Use Cases

  • Test regex patterns on sample text
  • Validate regular expressions
  • Debug complex regex patterns

Key Concepts

Regular ExpressionsPattern MatchingText Processing
Example
Test pattern '/\d{3}-\d{3}-\d{4}/' for phone numbers

Checksum Generator

Developer Tools

Generate MD5, SHA1, SHA256 hashes

Use Cases

  • Generate MD5 hashes for files
  • Create SHA256 checksums
  • Verify file integrity

Key Concepts

HashingChecksumsCryptography
Example
Generate MD5 hash: '5d41402abc4b2a76b9719d911017c592'

Minify CSS

Developer Tools

Compress and minify CSS code

Use Cases

  • Minify CSS for faster page loads
  • Compress stylesheets for production
  • Reduce CSS file size

Key Concepts

CSS MinificationCode OptimizationPerformance
Example
Reduce CSS from 50KB to 35KB by removing whitespace

Minify JavaScript

Developer Tools

Compress and minify JavaScript code

Use Cases

  • Minify JS for production builds
  • Compress JavaScript to reduce size
  • Optimize scripts for performance

Key Concepts

JS MinificationCode CompressionPerformance
Example
Reduce JavaScript from 100KB to 45KB

HTML Minifier

Developer Tools

Minify HTML code to reduce size

Use Cases

  • Minify HTML for production
  • Reduce HTML file size
  • Optimize web pages for speed

Key Concepts

HTML MinificationCode CompressionPerformance
Example
Reduce HTML from 20KB to 14KB by removing whitespace

Conversion

Text to HTML

Conversion

Convert plain text to HTML format

Use Cases

  • Convert plain text articles to HTML
  • Generate HTML paragraphs from text
  • Create formatted HTML from notes

Key Concepts

HTML TagsText FormattingMarkup Language
Example
Convert plain text paragraphs to <p> tags automatically

Markdown to HTML

Conversion

Convert Markdown to HTML code

Use Cases

  • Convert Markdown documents to HTML
  • Generate HTML from README files
  • Transform Markdown blog posts to web pages

Key Concepts

MarkdownHTML ConversionText Parsing
Example
Convert '# Heading' to '<h1>Heading</h1>'

CSV to JSON

Conversion

Convert CSV data to JSON format

Use Cases

  • Convert CSV spreadsheets to JSON
  • Transform Excel exports to JSON API format
  • Parse CSV data for web applications

Key Concepts

Data ConversionCSV ParsingJSON
Example
Convert CSV table to JSON array of objects

HTML to Text

Conversion

Convert HTML to plain text

Use Cases

  • Extract plain text from HTML emails
  • Strip HTML tags from content
  • Convert web pages to readable text

Key Concepts

HTML ParsingTag StrippingText Extraction
Example
Convert '<p>Hello</p>' to 'Hello'

Text to PDF

Conversion

Convert text to PDF documents

Use Cases

  • Convert text documents to PDF
  • Generate PDF reports from text
  • Create printable PDF files

Key Concepts

PDF GenerationDocument ConversionFile Export
Example
Convert plain text article to formatted PDF

Text to CSV

Conversion

Convert text data to CSV format

Use Cases

  • Convert tab-separated data to CSV
  • Create CSV from structured text
  • Export lists to spreadsheet format

Key Concepts

CSV FormatData ExportTabular Data
Example
Convert list of names to CSV spreadsheet

Text to Excel

Conversion

Export data to Excel spreadsheets

Use Cases

  • Convert data to Excel spreadsheets
  • Create XLSX files from text
  • Export reports to Excel format

Key Concepts

Excel ExportXLSX FormatSpreadsheets
Example
Convert data table to .xlsx Excel file

Number to Words

Conversion

Convert numbers to English words

Use Cases

  • Convert numbers to written form
  • Spell out currency amounts
  • Write numbers in legal documents

Key Concepts

Number ConversionText RepresentationSpelling
Example
Convert 1234 to 'One Thousand Two Hundred Thirty-Four'

JSON to CSV

Conversion

Convert JSON data to CSV format

Use Cases

  • Convert JSON API responses to CSV
  • Export JSON data to spreadsheets
  • Transform JSON arrays to tabular format

Key Concepts

Data ConversionJSONCSV Export
Example
Convert JSON array to CSV spreadsheet

XML to JSON

Conversion

Convert XML data to JSON format

Use Cases

  • Convert XML API responses to JSON
  • Transform XML feeds to JSON format
  • Parse XML configuration files

Key Concepts

XML ParsingJSON ConversionData Transformation
Example
Convert <root><item>value</item></root> to JSON object

Utilities

QR Code Generator

Utilities

Generate QR codes from text or URLs

Use Cases

  • Create QR codes for website URLs
  • Generate QR codes for WiFi credentials
  • Make scannable codes for contact info

Key Concepts

QR Codes2D BarcodesMobile Scanning
Example
Generate QR code for 'https://example.com' with custom colors

Password Generator

Utilities

Generate secure random passwords

Use Cases

  • Create strong passwords for accounts
  • Generate random passphrases
  • Make secure API keys and tokens

Key Concepts

Password SecurityRandomizationCryptography
Example
Generate 16-character password with symbols: 'X9$mK#pQ2@vL8nR!'

Email Validator

Utilities

Validate and organize email addresses

Use Cases

  • Validate email address syntax
  • Check multiple emails in bulk
  • Filter out invalid email formats

Key Concepts

Email ValidationRegex PatternsData Validation
Example
Validate 'user@example.com' - Valid email format

Phone Formatter

Utilities

Format phone numbers in various styles

Use Cases

  • Format phone numbers consistently
  • Convert numbers to international format
  • Add country codes to phone numbers

Key Concepts

Phone FormattingInternational NumbersStandardization
Example
Format '1234567890' to '(123) 456-7890'

Data Processing

CSV to Barcode Generator

Data Processing

Generate multiple barcodes from CSV data

Use Cases

  • Generate barcodes for product inventory
  • Create bulk barcode labels from spreadsheet
  • Batch generate QR codes from CSV data

Key Concepts

Barcode GenerationBatch ProcessingCSV Parsing
Example
Upload CSV with product SKUs to generate 100+ barcodes

Calculators

Unit Converter

Calculators

Convert between different units

Use Cases

  • Convert kilometers to miles
  • Transform Celsius to Fahrenheit
  • Convert kilograms to pounds

Key Concepts

Unit ConversionMeasurementsMetrics
Example
Convert 100km to 62.14 miles

Basic Calculator

Calculators

Simple arithmetic calculations

Use Cases

  • Perform quick calculations
  • Add, subtract, multiply, divide
  • Simple everyday math

Key Concepts

ArithmeticBasic MathCalculations
Example
Calculate 25 + 37 × 2 = 99

Scientific Calculator

Calculators

Advanced scientific functions

Use Cases

  • Calculate trigonometric functions
  • Compute logarithms and exponentials
  • Solve complex mathematical equations

Key Concepts

Scientific MathTrigonometryAdvanced Functions
Example
Calculate sin(30°) = 0.5 or log(100) = 2

BMI Calculator

Calculators

Calculate Body Mass Index

Use Cases

  • Calculate BMI from height and weight
  • Check healthy weight ranges
  • Monitor fitness goals

Key Concepts

BMIHealth MetricsBody Composition
Example
Height: 170cm, Weight: 70kg = BMI: 24.2 (Normal)

Percentage Calculator

Calculators

Calculate percentages and changes

Use Cases

  • Calculate percentage of values
  • Find percentage increases/decreases
  • Compute discounts and taxes

Key Concepts

PercentagesRatiosMathematical Operations
Example
What is 25% of 200? = 50

Tip Calculator

Calculators

Calculate tips and split bills

Use Cases

  • Calculate tips at restaurants
  • Split bills among friends
  • Compute gratuity amounts

Key Concepts

Tip CalculationBill SplittingPercentages
Example
Bill: $100, Tip: 20%, Total: $120 (Split 4 ways: $30 each)

Productivity

Work Hours Tracker

Productivity

Track working hours with punch in/out and reporting

Use Cases

  • Track daily working hours
  • Log punch in/out times
  • Generate timesheet reports

Key Concepts

Time TrackingWork LoggingProductivity
Example
Track 8:00 AM - 5:00 PM with 1hr lunch = 8 hours worked

Sticky Notes

Productivity

Create and organize digital sticky notes

Use Cases

  • Create quick digital notes
  • Organize thoughts and reminders
  • Manage to-do lists

Key Concepts

Note TakingOrganizationProductivity
Example
Create color-coded notes for tasks, ideas, and reminders

Network Tools

Know Your IP

Network Tools

Find your public IP address and network details

Use Cases

  • Find your public IP address
  • Check network information
  • View ISP and location details

Key Concepts

IP AddressNetwork InformationGeolocation
Example
Display: 203.0.113.42, ISP: Example ISP, Location: City, Country

Ping Tester

Network Tools

Measure latency to a domain

Use Cases

  • Test website response time
  • Measure network latency
  • Check server availability

Key Concepts

PingLatencyNetwork Diagnostics
Example
Ping google.com: 15ms response time

DNS Lookup

Network Tools

View DNS records for a domain

Use Cases

  • Look up DNS records for domains
  • Check A, MX, TXT records
  • Verify DNS configuration

Key Concepts

DNSDomain NamesDNS Records
Example
Lookup example.com: A record: 93.184.216.34, MX records shown

Port Scanner

Network Tools

Check common open ports on a host

Use Cases

  • Scan for open ports on servers
  • Check if services are running
  • Verify firewall configuration

Key Concepts

Port ScanningNetwork SecurityTCP/UDP
Example
Scan 192.168.1.1: Port 80 (HTTP) open, Port 443 (HTTPS) open

Internet Speed Tester

Network Tools

Estimate your internet download speed

Use Cases

  • Test internet download speed
  • Measure connection bandwidth
  • Check network performance

Key Concepts

BandwidthSpeed TestingNetwork Performance
Example
Test results: Download: 100 Mbps, Upload: 50 Mbps, Ping: 12ms

AI Tools

AI Text Summarizer

AI Tools

Generate intelligent, concise summaries powered by Google Gemini AI

Use Cases

  • Summarize long articles and documents
  • Generate concise summaries of research papers
  • Create executive summaries from reports

Key Concepts

AI SummarizationNatural Language ProcessingMachine Learning
Example
Summarize 5-page article into 3-sentence key points using AI

Frequently Asked Questions

Common questions about using Utility Hub

No — all tools run entirely client-side in your browser. Nothing is uploaded unless you explicitly share or export data.
Yes. Once the site is loaded, most tools continue to work offline using browser caching.
You can reach out via email or submit your idea on GitHub under the 'Feature Requests' section.
No installation required. Utility Hub is a web-based platform that works directly in your browser.
Yes — all tools are completely free. We may add optional premium or AI-based features in the future.
Utility Hub works best on modern browsers such as Chrome, Edge, Firefox, and Safari. Some features may not work in older versions.
Yes — your preferences, history, and sticky notes are stored locally using your browser's localStorage.
Absolutely! Each tool has its own unique URL that you can copy and share directly with others.
Yes — Utility Hub automatically adapts to your system theme, and you can toggle between light and dark modes manually.
A mobile-friendly version is already available via your browser. Native apps may be considered in the future based on community feedback.