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Format and validate JSON data

Encode and decode Base64 strings

Encode and decode URL strings

Test and debug regular expressions

Generate random UUIDs

Generate MD5, SHA-1, SHA-256 hashes

Reduce image file size while preserving quality

Change image dimensions to any size

Convert between PNG, JPG, WebP, and more

Crop images to any aspect ratio

Resize images to perfect Instagram dimensions

Create perfect YouTube thumbnail images

Add text, shapes, and whiteout to PDF documents

Reduce PDF file size while maintaining quality

Combine multiple PDF files into one

Split a PDF into separate pages or ranges

Convert PDF pages to JPG images

Convert images to PDF document

Create and download professional PDF invoices

Calculate Return on Investment for any project or venture

Calculate profit margin, markup, and cost breakdowns

Calculate sale prices with single or multiple discounts

Add or remove VAT/GST tax from any amount

Calculate break-even point for your business

Calculate IP address ranges and subnet information

Visual editor for creating cron schedule expressions

Generate Dockerfiles for various programming languages

Searchable dictionary of common network ports and services

Parse and inspect SSL/TLS certificates

Calculate file permissions in octal and symbolic notation

Record screen activity with optional audio

Trim video duration with precise controls

Convert between MP4, WebM, and other formats

Convert video segments to animated GIF

Adjust video speed for slow motion or timelapse

Verify camera functionality and view settings

Count words, characters, sentences, and paragraphs in real-time

Convert text to Upper, Lower, Title, Camel, Snake, and Kebab case

Fix grammar and spelling mistakes

Summarize long text into key points

Remove duplicate lines, extra whitespace, and empty lines

Sort lines alphabetically, numerically, or by length

Calculate percentages, increases, decreases, and 'what % of'

Calculate tips and split bills easily

Calculate monthly payments and total interest for loans

Convert between hourly, weekly, monthly, and annual salary

Add or subtract days, weeks, and months from a date

Calculate the number of days between two dates

Convert text to speech using browser synthesis

Record audio from your microphone and save

Tap rhythm to measure Beats Per Minute

Audio and visual metronome with adjustable tempo

Generate white, pink, and brown noise

Increase or decrease audio file volume

Generate secure passwords with customizable options

Generate random numbers within a specified range

Flip a virtual coin - heads or tails

Roll standard RPG dice from D4 to D20

Pick a random name from your list with spin animation

Generate version 4 UUIDs

Calculate profit/loss from cryptocurrency trades

Convert between Satoshi, Wei, Gwei, ETH, BTC and more

Estimate cryptocurrency transaction costs based on gas price

Convert between APY and APR for DeFi yield calculations

Calculate cryptocurrency market capitalization from price and supply

Calculate potential loss when providing liquidity to AMM pools

Format long text into Twitter/X threads with smart splitting

Resize images for Instagram, Facebook, Twitter, LinkedIn, and YouTube

Crop and resize images for profile pictures with circular preview

Create cover photos and banners for Twitter, Facebook, LinkedIn, and YouTube

Preview how your content will look when shared on social media

Search and copy emojis with categories and recent history

Calculate weighted course grades from assignments

Calculate semester and cumulative GPA

Interactive periodic table of elements

Graph 2D mathematical functions

Interactive trigonometry unit circle

Visualize word frequency from text

Calculate ROI, annualized return, and gain/loss for investments

Calculate compound annual growth rate for investments

Estimate how long it takes to double your investment

Calculate the real value of investments adjusted for inflation

Calculate current yield and yield to maturity for bonds

Calculate buy/sell amounts to restore target portfolio allocation