UtilityHub
Free online tools and utilities - calculators, converters, PDF and image tools, generators, and SEO helpers, all working right in your browser.
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Search through our collection of online utilities
Browse by Category
Explore tools organized by their primary function
PDF Tools
11 tools
Free online PDF tools to merge, split, compress, rotate, and convert PDFs to JPG or images — entirely in your browser with no uploads.
Image Tools
12 tools
Free image tools to compress, resize, crop, flip, and convert images between PNG, JPG, WEBP, and HEIC formats right in your browser.
Text Tools
7 tools
Free text tools to count words and characters, convert case, remove duplicate lines, reverse text, and generate placeholder copy instantly.
Developer Tools
7 tools
Free developer utilities for JSON formatting, Base64 encoding and decoding, URL encoding, UUID generation, and JWT decoding in the browser.
Calculators
7 tools
Free online calculators for age, BMI, percentages, loans, discounts, GST, and date differences — instant results, no sign-up required.
Converters
6 tools
Free unit converters for length, temperature, weight, area, speed, and more — convert measurements instantly in your browser.
Color Tools
6 tools
Free color tools to convert HEX to RGB, generate palettes and gradients, pick colors, and check WCAG contrast for accessible design.
Finance Tools
15 tools
Free finance calculators for mortgages, loans, EMI, compound interest, SIP, retirement, salary, tips, and everyday money decisions.
Generators
9 tools
Free generators for strong passwords, QR codes, random numbers, and on-demand data — everything runs locally in your browser.
Security Tools
5 tools
Free security tools to check password strength and generate SHA-256, SHA-512, MD5, and SHA-1 hashes entirely on your device.
SEO Tools
5 tools
Free SEO tools to generate meta tags, robots.txt, sitemap.xml, Open Graph, and Twitter card markup ready to paste into your site.
Popular Tools
Most frequently used tools by our users
Word Counter
text
Count words, characters, sentences, and paragraphs in your text. Calculate reading time.
Character Counter
text
Count characters, letters, numbers, spaces, and lines in your text with detailed statistics.
Case Converter
text
Convert text between uppercase, lowercase, title case, sentence case, camelCase, snake_case, and kebab-case.
Lorem Ipsum Generator
text
Generate placeholder Lorem Ipsum text for your designs and prototypes. Customize paragraphs and sentences.
Remove Extra Spaces
text
Remove extra spaces from your text. Trim leading/trailing spaces and collapse multiple spaces into one.
Duplicate Line Remover
text
Remove duplicate lines from your text and keep only unique lines. Sort output alphabetically if needed.
Latest Tools
Recently added tools to our collection
Mortgage Calculator
finance
Calculate monthly mortgage payments, total interest, and the true cost of a home with adjustable down payment, rate, and term.
EMI Calculator
finance
Calculate loan EMI with prepayment savings. See how extra monthly payments shorten your tenure and reduce total interest.
Compound Interest Calculator
finance
Calculate compound interest growth on investments with monthly contributions. See future value across yearly to daily compounding.
Hourly to Salary Calculator
finance
Convert hourly pay to annual, monthly, weekly, and daily salary. Adjust hours per week and weeks worked per year.
Tip Calculator
finance
Calculate restaurant tips instantly with quick percentage buttons and bill splitting between any number of people.
SIP Calculator
finance
Calculate returns on your monthly SIP investment. See total invested, estimated gains, and maturity value for any period.
Featured Tools
Hand-picked tools recommended by our team
Word Counter
text
Count words, characters, sentences, and paragraphs in your text. Calculate reading time.
JSON Formatter
developer
Format, validate, and minify JSON data. Copy formatted output with proper indentation.
Image Compressor
image
Compress images to reduce file size while maintaining quality. Adjust compression level for optimal results.
Merge PDF
Combine multiple PDF files into a single document. Upload multiple PDFs and merge them in order.
Password Generator
generator
Generate strong, secure, random passwords. Customize length and include uppercase, lowercase, numbers, and symbols.
QR Code Generator
generator
Generate custom QR codes for URLs, text, contacts, or Wi-Fi configurations. Download as PNG.
Featured Articles
Hand-picked guides recommended by our team
Color Contrast Checker: WCAG Accessibility Guide
Learn how to check color contrast for accessible websites. WCAG AA and AAA requirements, the ratio formula, and how to use a contrast checker tool in your browser.
How to Convert Images to WebP for Faster Websites
Convert images to WebP in your browser to cut page weight and speed up loading. WebP vs PNG vs JPG explained, plus quality settings that keep images sharp.
Latest from the Blog
Guides and tutorials from the UtilityHub team
How to Remove Duplicate Lines from Text (Fast)
Remove duplicate lines from lists, logs, and exports in your browser. Learn when to strip duplicates, when to keep them, and how to avoid mistakes.
Color Contrast Checker: WCAG Accessibility Guide
Learn how to check color contrast for accessible websites. WCAG AA and AAA requirements, the ratio formula, and how to use a contrast checker tool in your browser.
Why Choose UtilityHub
Built for speed, security, and simplicity
Lightning Fast
All tools run instantly in your browser with no server-side processing
Privacy First
Your data never leaves your device. All processing happens locally
Mobile Optimized
Perfect experience on any device, from desktop to smartphone
No Registration
Use all tools without creating an account or providing personal information
Always Available
24/7 availability with no downtime. Tools work offline once loaded
Regular Updates
New tools added regularly with continuous improvements to existing ones
Frequently Asked Questions
90+
Free Online Tools
11
Tool Categories
0
Data Uploads
100%
Browser-Based
Ready to Get Started?
Explore our collection of free online tools and utilities