All tools
A complete index of every free online tool on itoolnet — 311 tools across 15 categories. Pick a category, or open any tool directly. Everything runs locally in your browser.
Text Tools
38 tools- Add Line Numbers
- Space Out Letters
- Alternate Case
- Bigram Frequency
- Capitalize First Letter
- Lowercase
- snake_case
- Title Case
- Uppercase
- Center Text
- Character Counter
- Extract Hashtags
- Indent Text
- Palindrome Checker
- Reading Time
- Remove Accents
- Remove Consonants
- Remove Extra Spaces
- Remove Letters
- Remove Line Breaks
- Remove Numbers
- Remove Punctuation
- Remove Letter Spacing
- Reverse Words
- Sort Lines by Length
- Sort Words
- Spaces to Tabs
- Stopword Remover
- Substring Extractor
- Tabs to Spaces
- Extract URLs
- Find & Replace
- Reverse Text
- Sort Lines A-Z
- Text Statistics
- Text to Columns
- Text Transpose
- Word Counter
Encoding & Conversion
32 tools- ASCII to Text
- Base32 Encode
- Base58 Encode
- Base64 Decode
- Base64 Encode
- Base64URL Decode
- Base64URL Encode
- Binary to Decimal
- Binary to Hex
- Binary to Text
- Caesar Cipher
- Decimal to Binary
- Decimal to Hex
- Gray Code to Binary
- Hex to Decimal
- Hex to Text
- HTML Decode
- HTML Encode
- JSON Escape
- Morse Code Decoder
- Morse Code Encoder
- NATO Phonetic Alphabet
- Rail Fence Cipher
- ROT13 Cipher
- Text to ASCII
- Text to Binary
- Text to Hex
- Text to Octal
- Unicode Escape
- Unicode Unescape
- URL Decode
- URL Encode
Formatters
27 tools- CSS Formatter
- CSS Minify
- CSV to JSON
- HTML Formatter
- HTML to Markdown
- JS Formatter
- JS Minify
- JSON Flatten
- JSON Formatter
- JSON Minify
- JSON Sort Keys
- JSON to JavaScript Array
- JSON to CSV
- JSON to HTML Table
- JSON to Markdown
- JSON to Plain Text
- JSON to XML
- JSON to YAML
- JSON Validator
- Markdown to HTML
- Markdown to Text
- JSONL to JSON
- SQL Formatter
- Text to URL Slug
- XML Formatter
- XML to JSON
- YAML to JSON
Developer Tools
30 tools- EAN-13 Barcode Generator
- Base Converter
- CIDR Range Calculator
- Cron Expression Parser
- Current Timestamp
- Date to Timestamp
- HTTP Status Codes
- IP to Decimal
- JSON Merge
- JSON Schema Generator
- JSON to Go Struct
- JSON to Python Dict
- JSON to Rust Struct
- JSON to TypeScript
- JWT Decoder
- MIME Type Lookup
- NPM Package Name Generator
- Common Regex Patterns
- Regex Tester
- Semantic Versioning
- String Hash
- Subnet Calculator
- Timestamp to Date
- Timezone List
- ULID Generator
- Unicode Lookup
- URL Parser
- User Agent Parser
- UUID Generator
- UUID v1 (Time-based)
Crypto & Security
17 toolsImage Tools
21 toolsColor Tools
14 toolsUnit Converters
10 toolsRandom Generators
24 tools- Coin Flip
- Dice Roller
- Password Generator
- EAN-13 Barcode
- Credit Card Generator
- Random Date
- Random Email
- Random Hex Color
- Random IP Address
- License Plate Generator
- Lorem Ipsum Generator
- Random MAC Address
- Random Name
- Random Number
- OTP Generator
- Passphrase Generator
- Random Percentage
- Serial Number Generator
- Random URL Slug
- Random String
- Team Generator
- Random Time
- Random Username
- Random Word
Date & Time
18 toolsMath & Calculators
34 tools- Add Percentage
- Average Calculator
- BMI Calculator
- Commission Calculator
- Compound Interest
- Decimal to Fraction
- Digital Root
- Discount Calculator
- Exponential Growth
- Factorial
- Fibonacci
- Fraction Simplifier
- GCD Calculator
- LCM Calculator
- Loan Calculator
- Mean Median Mode
- Moving Average
- Natural Log (ln)
- Percentage Calculator
- Percentage Change
- Percentage of
- Prime Number Check
- Prime Numbers List
- Roman Numeral
- Round Number
- Scientific Notation
- Simple Interest
- Slope Calculator
- Sphere Volume
- Square Calculator
- Standard Deviation
- Tip Calculator
- Trigonometry Calculator
- Variance
Utility Tools
19 tools- Acronym Generator
- ASCII Table
- Aspect Ratio Calculator
- Binary Converter
- Break-Even Calculator
- Country Codes
- Credit Card Validator
- CSS Box Shadow Generator
- CSS Units Converter
- Currency Codes
- Currency Formatter
- Email Validator
- Hashtag Generator
- IP Address Validator
- Number to Words
- Phone Number Validator
- QR Code Generator
- Salary to Hourly
- Special Characters
Audio Tools
10 toolsFile Tools
8 toolsLooking for the machine-readable index? See the XML sitemap .