Free Online Utility Tools
95+ free browser-based utilities for webmasters and office workers: text, encoding, hashes, converters, colors, QR codes. No signup, no server uploads, 100% private.
Text Tools
Compare, convert, sort, and transform text effortlessly · 18 tools
Text Compare
Compare two texts side by side and find differences with highlighted word-by-word diff
Word Counter
Count words, characters, sentences, paragraphs and estimate reading time instantly
Case Converter
Convert text to UPPER CASE, lower case, Title Case, Sentence case, camelCase, PascalCase, snake_case, and kebab-case
Text Repeater
Repeat text multiple times with customizable separator options
Remove Duplicates
Remove duplicate lines from text with options for case sensitivity, trimming, and order preservation
Find & Replace
Find and replace text with support for case sensitivity, whole word matching, and regular expressions
Text Reverse
Reverse text in three modes: entire text, per line, or per word
Sort Lines
Sort lines alphabetically, numerically, by length, or randomize with duplicate removal option
Text Truncator
Truncate text to a specified number of characters or words with optional ellipsis
Lorem Ipsum Generator
Generate lorem ipsum placeholder text by paragraphs, sentences, or words
Slug Generator
Convert text to URL-friendly slug with customizable separator, case, and stop word options
Remove Spaces
Remove leading/trailing spaces, extra spaces, all spaces, and blank lines from text
Text to Emoji
Convert text to emoji representations using regional indicators and keycaps
Emoji Picker & Search
Search and browse emojis by category with click-to-copy and recently used history
Text Wrap / Unwrap
Wrap text at specified column width or unwrap joined lines back into paragraphs
Whitespace Visualizer
Visualize whitespace characters in text with special symbols, statistics, and cleanup options
ASCII Art Text
Convert text to ASCII art banners using FIGlet-style fonts with 5 font styles, custom width, and copy support
Text Statistics
Advanced text analysis with character/word/sentence counts, reading time, readability score, syllable count, and word frequency
List & Array Tools
Compare, merge, shuffle, and deduplicate lists · 8 tools
Compare Two Lists / Arrays
Compare two lists and find items unique to each, plus common items
List Randomizer / Shuffle
Shuffle and randomize list items using the Fisher-Yates algorithm
List Intersection (Common Items)
Find common items between two lists with case-sensitive toggle
List Union (Merge & Dedupe)
Merge two lists together and remove duplicates
List Difference (A − B)
Find items in List A that are not in List B (set difference)
Remove Empty Lines
Remove empty and blank lines from text instantly
Add Line Numbers
Add line numbers to text with customizable start number, separator, and padding
Add Prefix / Suffix to Lines
Add prefix and/or suffix text to each line of input
Encoding & Decoding
Encode and decode Base64, URL, HTML entities, and more · 9 tools
Base64 Encode / Decode
Encode text to Base64 or decode Base64 strings with full Unicode support
URL Encode / Decode
Encode and decode URLs with full or component encoding modes
HTML Entity Encode / Decode
Encode and decode HTML entities like < > & "
JWT Token Decoder
Decode JWT tokens to view header, payload, and signature as formatted JSON
ROT13 Cipher
Encode or decode text using the ROT13 substitution cipher
Morse Code Translator
Convert text to Morse code and back with visual representation and audio playback
Binary Translator
Convert text to binary (0s and 1s) and back with byte-level breakdown
Base64 Image Encoder
Convert images to Base64 data URIs and back with drag & drop, file size comparison, and CSS/HTML copy
Punycode Converter
Convert internationalized domain names (IDN) to Punycode and back with batch conversion support
Hash & Crypto
Generate hashes, checksums, and secure passwords · 6 tools
MD5 Hash Generator
Generate MD5 hash from any text input with uppercase/lowercase toggle and hash comparison
SHA-256 Hash Generator
Generate SHA-256 hash using Web Crypto API with copy and comparison features
SHA-1 Hash Generator
Generate SHA-1 hash using Web Crypto API with comparison and validation features
CRC32 Checksum Calculator
Calculate CRC32 checksum for any text with hex and decimal output
Secure Password Generator
Generate secure random passwords with customizable options and strength meter
Multi Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512, and CRC32 hashes simultaneously from text or files
Format Converters
Convert between JSON, CSV, YAML, XML, Markdown, and HTML · 16 tools
JSON Formatter & Validator
Format, beautify, validate, and minify JSON data with tree view
XML Formatter & Beautifier
Format, beautify, minify, and validate XML documents
CSV to JSON Converter
Convert CSV data to JSON array format with customizable delimiters
JSON to CSV Converter
Convert JSON array data to CSV format with auto-detected columns
JSON to YAML Converter
Convert JSON data to YAML format with proper indentation
YAML to JSON Converter
Convert YAML data to JSON format with support for nested structures
Markdown to HTML Converter
Convert Markdown to HTML with live preview support
HTML to Markdown Converter
Convert HTML to Markdown format with proper element handling
SQL Formatter & Beautifier
Format and beautify SQL queries with keyword casing and indentation
JS / CSS / HTML Minifier
Minify JavaScript, CSS, and HTML to reduce file size with size reduction stats
JSON Path Finder
Find paths to values and keys in JSON objects with powerful search
Markdown Preview
Real-time Markdown preview with split view, GitHub Flavored Markdown support, and HTML export
HTML Preview
Real-time HTML preview with live rendering, split view editor, inline CSS and JavaScript support
JSON Diff
Compare two JSON objects side by side with deep diff, color-coded highlights, and merge options
JSON Schema Validator
Validate JSON data against a JSON Schema with detailed error messages and draft-07 support
Diff Checker
Side-by-side text diff comparison with color-coded output, LCS algorithm, and line/word diff modes
Color Tools
Pick colors, convert formats, and check contrast · 13 tools
Color Picker & Converter
Pick colors and convert between HEX, RGB, HSL, and HSV formats
HEX to RGB Converter
Convert HEX color codes to RGB and RGBA values
RGB to HEX Converter
Convert RGB color values to HEX codes
Color Palette Generator
Generate color palettes from a base color — complementary, analogous, triadic, and more
WCAG Contrast Checker
Check color contrast ratios for WCAG AA and AAA accessibility compliance
Hash Color Generator
Generate consistent, deterministic colors from any text string
CSS Gradient Generator
Create beautiful CSS gradients visually with multiple color stops
Color Name Finder
Find the closest named CSS color for any HEX/RGB input with distance calculation
SVG Viewer
View, optimize, and convert SVG code with rendered preview, minification, and data URI generation
CSS Box Shadow Generator
Visual box shadow generator with real-time preview, multiple layers, inset support, and presets
CSS Border Radius Generator
Visual border-radius generator with individual corner controls, presets, unit toggle, and CSS output
CSS Transform Generator
Visual CSS transform generator with real-time preview, sliders for rotate, scale, translate, skew, and perspective, plus presets
CSS Flexbox Generator
Interactive CSS flexbox generator with live preview, container and item controls, and preset layouts
Date & Time Tools
Convert timestamps, format dates, and calculate differences · 5 tools
Unix Timestamp Converter
Convert Unix timestamps to readable dates and vice versa with live updates
Date Formatter
Format dates in various formats — ISO 8601, RFC 2822, and custom formats
Timezone Converter
Convert time between any timezones worldwide
Countdown Timer
Set a countdown to any date and time with visual display
Date Difference Calculator
Calculate the exact difference between two dates in multiple units
Number Tools
Convert bases, calculate percentages, and convert units · 6 tools
Number Base Converter
Convert numbers between binary, octal, decimal, hexadecimal, and custom bases
Percentage Calculator
Multiple percentage calculations — find percentages, changes, and increases
Unit Converter
Convert between length, weight, and temperature units
Roman Numeral Converter
Convert between Roman numerals and Arabic numbers bidirectionally
UUID Generator
Generate UUID v4 strings instantly — single or batch, with uppercase toggle
Number Formatter
Format numbers with thousands separators, currency symbols, scientific notation, and locale support
Web Developer Tools
Test regex, generate meta tags, and convert cURL commands · 14 tools
Regex Tester & Debugger
Test regular expressions with match highlighting, groups, and common patterns
HTML Meta Tag Generator
Generate SEO-optimized HTML meta tags for your website
cURL to Code Converter
Convert cURL commands to JavaScript, Python, and PHP code
QR Code Generator
Generate QR codes from text or URLs with customizable colors and size
Cron Expression Parser
Parse cron expressions into human-readable descriptions and see next execution dates
IP Address Info
Show your current IP, validate IPv4/IPv6, detect IP class, and calculate CIDR notation
User Agent Parser
Parse user agent strings into browser, OS, and device info with bot detection
JS Obfuscator
Obfuscate JavaScript code with variable renaming, string encoding, whitespace removal, and control flow flattening
HTTP Status Code Reference
Complete HTTP status code reference with search, color-coded categories, and click-to-copy
URL Parser
Parse any URL into its components, extract query parameters, and interactively build URLs
MIME Type Lookup
Search and browse 200+ MIME types by extension or type with category filtering and instant copy
Chmod Calculator
Unix file permission calculator with interactive checkboxes, numeric/symbolic notation, reverse input, and common presets
Barcode Generator
Generate Code 128 and Code 39 barcodes client-side with Canvas rendering, customizable options, and PNG download
Placeholder Image Generator
Generate placeholder images with custom dimensions, text, and colors using HTML5 Canvas — download as PNG or copy as data URI
Why ToolBox Pro?
100% Private
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No Registration
Use any tool instantly without creating an account or providing personal info.
Free Forever
No usage limits, no hidden fees. All 95+ tools are completely free to use.