All Online Tools
Explore our complete collection of 159 free online tools. From code formatters to image converters, find the utility you need.
Text
Text processing and conversion tools
Markdown to HTML Converter
Convert markdown syntax to valid HTML in real-time
Shuffle Words
Randomly shuffle the order of words in your text
Character Count
Real-time text analysis tool counting characters, words, lines, and bytes
Convert Words to Numbers
Convert English number words to numeric values
Convert Numbers to Words
Convert signed whole numbers to English words
Find and Replace Text
Find and replace text with plain text or regex support, case sensitivity options, and real-time preview
Convert Text to ASCII Art
Add character spacing to uppercase text for a simple ASCII-style banner
HTML to Markdown
Convert HTML markup to Markdown format
Split a String
Powerful string splitting tool with multiple delimiters, patterns, and output formats
Stringify JSON
Convert JSON objects and arrays into compact single-line strings
Sort CSV Data
Sort CSV data by any column in ascending or descending order
Extract CSV Column
Extract a specific column from CSV data with multiple output formats
Reverse Text
Reverse characters, word order, or line order in text
Shuffle Letters
Randomly reorder ASCII letters and digits within each word
Shuffle Lines
Randomly shuffle the order of lines in text
Slugify String
Turn text into a lowercase ASCII slug with hyphens or underscores
Convert ASCII Art to Image
Render ASCII art as a visual PNG image with customizable fonts and colors
Repeat a String
Repeat a string multiple times with optional separators
CSS Inliner for Email
Convert CSS styles to inline HTML attributes for email templates
Add Commas to Integers
Add thousand separators to numbers
Generate Zalgo Text
Generate creepy Zalgo (corrupted) text
Lorem Ipsum Generator
Generate up to 100 paragraphs of Lorem Ipsum placeholder text
Validate UTF8
Check if text is valid UTF8 encoded
Batch Text Replacer
Replace multiple text patterns at once with support for regex and case sensitivity
Convert Text to Unicode Font
Convert text to Unicode font styles
Remove Unicode Font from Text
Remove Unicode font styling from text
Utility
Utility tools for productivity and security
Password Generator
Generate secure random passwords with customizable options
Anthropic Token Counter
Count tokens for all Claude models and estimate API costs
OpenAI Token Counter
Count text tokens and estimate cost for listed OpenAI model profiles
QR Code Generator
Generate a QR code for text, URLs, contact details, or Wi-Fi
Deepseek Token Counter
Count tokens and estimate costs for Deepseek models
Llama Token Counter
Count tokens and estimate costs for Llama models
Pick Random Item
Randomly select one or more items from a list
Sort a List
Sort items alphabetically, numerically, or in reverse order
Find Unique List Items
Find unique items and detect duplicates in a list
Generate Random Number
Generate random numbers with customizable range and options
MAC Address Generator
Generate random MAC addresses for network testing and development
RSA Key Pair Generator
Generate RSA public and private key pairs for encryption and digital signatures
Sort Numbers
Sort numbers in ascending or descending order
Reverse a List
Reverse the order of items in a list
Find List Length
Count the number of items in a list
OpenAI Cost Calculator
Calculate OpenAI API costs based on token usage and model selection
Find Repeating List Items
Analyze lists to find and count repeating items with frequency analysis
Generate Number Sequence
Generate arithmetic sequences of numbers
Increment Integer Digits
Increment each digit in integers individually
HAR File Viewer
View and analyze HTTP Archive (HAR) files with detailed request/response data
MAC Address Lookup
Look up the IEEE vendor (OUI) for a MAC address
Zstandard Compression
Compress and decompress text data using Zstandard-like compression
Calculate Number Sum
Paste a list of numbers and get the sum, count, and average
Enumerate Integers
Generate a sequence of integers with custom start, stop, and step
Generate Pi Digits
Generate any number of digits of π with high precision
Generate Look and Say Sequence
Generate Conway's look-and-say sequence from any digit seed
Draw Pascal's Triangle
Generate Pascal's triangle with binomial coefficients for any row count
Generate Random Matrix
Generate a random matrix with custom size and value range
Visualize an L-System
Expand and draw Lindenmayer systems with turtle graphics
Generate a Sierpinski Triangle
Draw the Sierpinski triangle fractal at a chosen recursion depth
Generate a Hilbert Curve
Draw a Hilbert space-filling curve for a chosen order
WAV to MP3 Converter
Convert WAV audio to 320kbps MP3 in the browser
MP3 to WAV Converter
Convert MP3 audio to WAV for editing or lossless workflows
Color
Color conversion and generation
Image
Image manipulation and conversion
WebP to PNG Converter
Convert WebP images to PNG format with transparency support
PNG to WebP Converter
Convert PNG to WebP for better compression and smaller files
Resize Image
Resize an image to pixel dimensions and export PNG, JPEG, or WebP
Extract GIF Frames
Extract individual frames from animated GIFs and arrange them into a single PNG
Change GIF Speed
Adjust the playback speed of animated GIF files
Rotate Image
Rotate images (PNG, JPG, WebP, and more) by any angle in degrees or radians with automatic canvas expansion
Pixelate a JPG
Apply pixelation effect to JPG images for privacy or artistic purposes
Blur Image
Blur an entire image or a rectangular region in your browser
Change JPG Quality
Adjust JPEG image quality to optimize file size and visual fidelity
Convert Text to Image
Transform text into customizable images with fonts, colors, and effects
Change PNG Color
Replace specific colors in PNG images with new colors instantly
Create Grayscale JPG
Convert color JPG images to grayscale (black and white) with adjustable quality
Create Transparent PNG
Make PNG backgrounds transparent by removing solid colors
Add JPG Border
Add colored borders or frames around JPEG images
Create Transparent JPG
Remove background colors from images to create transparency
Reverse GIF
Reverse the animation sequence of a GIF, playing frames in backward order
Remove GIF Background
Remove background colors from animated GIFs to create transparency
Add Text to GIF
Add customizable text overlays to animated GIF images
Convert CSV to Text Columns
Convert CSV data to text columns
Convert UTF8 to Binary
Encode text as UTF-8 bytes shown in hexadecimal and binary
Convert Binary to UTF8
Convert binary representation back to UTF8 text
Convert Unicode to UTF8
Convert Unicode code points to UTF8 encoded bytes
Create Transparent WebP
Make WebP backgrounds transparent by removing solid colors
Replace WebP Colors
Replace colors in WebP images
SVG Viewer
View, preview, and analyze SVG files with source code display
SVG Placeholder Generator
Generate customizable SVG placeholder images with text and colors
WebP Converter
Convert images between WebP, PNG, and JPG formats with quality control
Crop WebP
Crop WebP images to specified dimensions
Pixelate WebP
Apply pixelation effect to WebP images
Convert Hex to Image
Convert hexadecimal or Base64 data into an image file
Sharpen Image
Apply sharpening filter to enhance image clarity
JPG to PNG Converter
Convert JPG and JPEG photos to PNG without uploading them
PNG to JPG Converter
Convert PNG images to JPG with quality control, in the browser
SVG to PNG Converter
Rasterize SVG vector graphics to PNG in the browser
Data
Data conversion and formatting
CSV to JSON
Convert CSV data to JSON format
UUID Generator
Generate up to 1,000 random UUID v4 identifiers
JSON to YAML
Convert JSON data format to YAML with formatting options
Prettify JSON
Format and beautify minified JSON with flexible indentation options
JSON to CSV
Convert a JSON array of objects to escaped CSV
JSON to XML
Convert JSON values to XML with a configurable root element
XML to JSON
Convert XML to JSON with attributes, repeated elements, and indentation
YAML to JSON
Parse one YAML document and format it as JSON
YAML to TOML
Convert YAML configuration files to TOML format
XML Formatter
Format and beautify XML code
Convert CSV to JSON
Transform CSV data into JSON format with customizable options
Convert Hex to RGB
Convert hexadecimal color codes to RGB/RGBA format with color preview
Date Time Converter
Convert between different date/time formats and timezones
Faker
Generate realistic fake data for testing - names, emails, addresses, and more
OG Meta Generator
Generate Open Graph and Twitter Card meta tags for social media
Spoof Unicode Text
Replace text with Unicode lookalikes for fun effects
TOML Formatter
Format and validate TOML configuration files with proper indentation
TOML to JSON
Convert simple TOML configuration entries to JSON with a limited parser
Count Binary Ones
Count the number of 1 bits in binary representation
Reverse Integer Digits
Reverse the digits of an integer
Sort Calendar Dates
Sort dates in various formats
Draw Digital Clock
Draw digital clock display showing current time
Count Binary Zeros
Count zero bits in decimal, binary, or hexadecimal input
Invert Binary Bits
Flip all bits in a binary number (0→1, 1→0)
Shuffle Binary Bits
Randomly reorder the bits in a non-negative number
Convert Binary to Negabinary
Convert numbers to negabinary (base -2) representation
Generate Integer Pairs
Generate random pairs of integers for testing or coordinates
Calculate Average Time
Average a list of durations in HH:MM:SS or MM:SS
Convert Dog Age to Human Years
Convert dog age to equivalent human years
Draw Memento Mori Calendar
Visualize your life as weeks in a memento mori calendar
Code
Developer utilities and converters
JSON Formatter
Format and validate JSON data with syntax highlighting
Minify JSON
Compress JSON by removing all unnecessary whitespace
Hash Generator
Generate MD5, SHA1, SHA256 hashes
Base64 Encode
Convert plain text to base64 encoded format instantly
Dockerfile Linter
Check Dockerfiles with basic syntax and best-practice heuristics
Base64 Decode
Decode standard Base64 text as UTF-8 in your browser
URL Encoder/Decoder
Encode and decode URLs with component or full URL support
Regex Tester
Test regex patterns with all JavaScript flags and visual highlighting
JWT Parser
Decode and parse JSON Web Tokens to view header, payload, and signature
Diff Checker
Compare two text inputs line by line with highlighted changes
cURL to JS Fetch
Convert basic cURL requests to JavaScript Fetch code
Image to Base64
Convert image files to Base64 encoding
SQL Minifier
Minify SQL queries by removing unnecessary whitespace
Analyze JSON
Analyze JSON structure and get detailed statistics about your data
Convert Base64 to Image
Decode Base64 strings back to viewable image files
Change CSV Delimiter
Convert CSV data between different delimiters with proper quote handling
Obfuscate JSON
Replace JSON property names with short identifiers to reduce size and obfuscate structure
Query Params to JSON
Convert URL query parameters to JSON format
CSS Units Converter
Convert between CSS units like px, em, rem, %, vw, vh, and more
Chmod Calculator
Interactive chmod permission calculator for Unix/Linux file permissions
Cron Tester
Validate and test cron expressions with human-readable descriptions
Convert Decimal to ASCII
Convert decimal numbers to ASCII/Unicode characters instantly
Convert Hex to Text
Convert hexadecimal strings to readable text instantly
Env to Netlify TOML
Convert .env files to Netlify TOML format
Email Validator
Validate email addresses and check format compliance with RFC standards
Convert UTF8 to Hex
Encode UTF-8 text as hexadecimal bytes
Convert Hex to UTF8
Convert hexadecimal representation back to UTF-8 text
Convert ASCII to Decimal
Convert ASCII characters to their decimal (Unicode) values
Reverse Hex Digits
Reverse the digits of hexadecimal numbers
Convert Bytes to ASCII
Map decimal or 0x byte values to single-byte characters
Convert IP to Hex
Convert IPv4 addresses to hexadecimal