All 54 Free Online Tools

Calculate exact age in years, months, days with birthday countdown and life stats

Encode and decode Base64 strings

Calculate Body Mass Index and health recommendations

Create CSS and Tailwind box shadows with live preview

Convert colors between HEX, RGB, HSL, and other formats

Generate complementary, analogous, triadic and more palettes from any base color

Test your clicking speed in clicks per second with real-time tracking

Parse and explain cron expressions with next run times and human-readable descriptions

Minify and prettify CSS code with optimization options

Convert between different currencies with live rates

Look up all DNS records for any domain with Cloudflare, Google, and Control D resolvers

Remove duplicate lines from any list with sorting and whitespace options

Convert plain text into 19 stylish Unicode styles for Instagram bios, Discord names, X profiles, TikTok bios, and gaming usernames

Create CSS and Tailwind gradients with live preview

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text or files

Beautify or minify HTML code with configurable indentation

Compress images to reduce file size while maintaining quality

Convert images between different formats (JPG, PNG, WebP, etc.)

Resize images to specific dimensions or percentages

Find your IP address or look up any IP — location, ISP, ASN, timezone & threat detection

Format, validate, and beautify JSON data

Convert JSON arrays to CSV format with custom delimiters and headers

Decode JWT tokens and inspect header, payload, expiry, and claims

Analyze keyword density and frequency in your content

Calculate monthly EMI, total payment, and interest for any loan with visual breakdown

Generate placeholder text for design and development

Preview markdown in real-time with GFM support and split view

Generate SEO meta tags for better search engine visibility

Convert numbers between binary, octal, decimal, and hexadecimal instantly

Generate strong, secure passwords with advanced customization options

Calculate percentages, percentage changes, and ratios

Focus timer with 25/5/15 minute work-break cycles, session tracker and audio alerts

Generate QR codes for text, URLs, and contact information

Scan QR codes and barcodes online from camera, screenshots, and images with private client-side decoding

Generate random integers, decimals, or Gaussian numbers in bulk

Test and debug regular expressions with live match highlighting and group capture

Generate robots.txt files for search engine crawling control

Convert Robux to real USD — buy rate, DevEx rate, marketplace tax calculator

Count significant figures and perform arithmetic with correct sig fig rules

Generate XML and HTML sitemaps for better SEO and search engine indexing

Count characters for Twitter/X, Instagram, LinkedIn, TikTok, and YouTube in real time

Format and beautify SQL queries for MySQL, PostgreSQL, and SQLite

Convert text between different cases (uppercase, lowercase, title case)

Compare two texts and highlight differences

Convert any date and time across 30+ world timezones instantly with live clock

Convert Unix timestamps to human-readable dates and vice versa

Calculate tips and split bills among multiple people

Test typing speed with live WPM, accuracy, and detailed results

Convert between various units (length, area, volume, temperature)

Encode and decode URLs with percent-encoding (RFC 3986)

Generate RFC 4122-compliant UUID v4 and v1-style unique identifiers

Convert Fortnite V-Bucks to real money and compare bundle values

Convert between different weight units (kg, lbs, oz, etc.)

Count words, characters, paragraphs, and reading time