A practical toolbox for everyday engineering tasks.
Use fast, browser-based utilities to convert, format, encode, and debug data without leaving your workflow.
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Base64 Encode
Turn text into a portable encoded value.
Hello, D3vTools!
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Built for Developers, by Developers
Every tool in our suite is crafted with care to solve real-world problems developers face daily.
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Base32 Encode
Encode text to Base32 format.
Base32 Decode
Decode Base32 encoded text back to its original form.
Base58 Encode
Encode text to Base58 format.
Base58 Decode
Decode Base58 encoded text back to its original form.
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Reserve this listingBase64 Encode
Encode text or files to Base64 format.
Base64 Decode
Decode Base64 encoded text back to its original form.
Hex to UTF8
Convert hexadecimal values to UTF-8 text.
HTML Encode
Encode text by escaping HTML special characters.
HTML Decode
Decode HTML-encoded text back to its original form.
JSON Encode Online
Format or encode a value to a JSON string.
JSON Decode Online
Decode and validate a JSON string into a readable format.
JSON URL Encode
Encode JSON text to a URL-safe format.
JSON URL Decode
Decode URL-encoded JSON text back to its original form.
URL Encode Online
Encode text to a URL-safe format.
URL Decode Online
Decode URL-encoded text back to its original form.
UTF8 Converter
Convert text to its UTF-8 byte representation in hexadecimal.
UTF8 Decode
Decode UTF-8 byte representation back to text.
XML URL Encoding
Encode XML content to a URL-safe format.
XML URL Decoding
Decode URL-encoded XML content back to its original form.
Image to Base64
Convert an image file to its Base64 data URI representation.
Base64 to Image
Convert a Base64 data URI back to an image file for download.
Base64 to Binary
Decode Base64 encoded text to binary representation.
Base64 to CSV
Decode Base64 encoded text to CSV format.
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Reserve this listingBase64 to Hex
Decode Base64 encoded text to hexadecimal representation.
Base64 to JSON
Decode Base64 encoded text to JSON format.
Base64 to TSV
Decode Base64 encoded text to TSV format.
Base64 to XML
Decode Base64 encoded text to XML format.
Base64 to YAML
Decode Base64 encoded text to YAML format.
Binary to Base64
Encode binary representation to Base64 format.
CSV to Base64
Encode CSV text to Base64 format.
Hex to Base64
Encode hexadecimal representation to Base64 format.
JPG to Base64
Convert a JPEG image file to its Base64 data URI representation.
JSON to Base64
Encode a JSON string to Base64 format.
Octal to Base64
Encode octal representation to Base64 format.
PNG to Base64
Convert a PNG image file to its Base64 data URI representation.
TSV to Base64
Encode TSV text to Base64 format.
XML to Base64
Encode XML text to Base64 format.
YAML to Base64
Encode YAML text to Base64 format.
HEX to Colortone Converter
Convert HEX color values to colortone (HSL) format.
RGB to Colortone Converter
Convert RGB color values to colortone (HSL) format.
HSV to Colortone Converter
Convert HSV color values to colortone (HSL) format.
CMYK to Colortone Converter
Convert CMYK color values to colortone (HSL) format.
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Reserve this listingCMYK to HEX Converter
Convert CMYK color values to HEX format.
CMYK to RGB Converter
Convert CMYK color values to RGB format.
CMYK to HSV Converter
Convert CMYK color values to HSV format.
HSV to HEX Converter
Convert HSV color values to HEX format.
HSV to RGB Converter
Convert HSV color values to RGB format.
HSV to CMYK Converter
Convert HSV color values to CMYK format.
HEX to HSV Converter
Convert HEX color values to HSV format.
RGB to HEX Converter
Convert RGB color values to HEX format.
RGB to HSV Converter
Convert RGB color values to HSV format.
RGB to CMYK Converter
Convert RGB color values to CMYK format.
HEX to RGB Converter
Convert HEX color values to RGB format.
HEX to CMYK Converter
Convert HEX color values to CMYK format.
Colortone to HEX Converter
Convert colortone (HSL) color values to HEX format.
Colortone to RGB Converter
Convert colortone (HSL) color values to RGB format.
Colortone to CMYK Converter
Convert colortone (HSL) color values to CMYK format.
Colortone to HSV Converter
Convert colortone (HSL) color values to HSV format.
Length Converter
Convert between different length units (meters, feet, inches, etc.).
Weight Converter
Convert between different weight units (kg, lbs, ounces, etc.).
Volume Converter
Convert between different volume units (liters, gallons, cups, etc.).
Area Converter
Convert between different area units (sq m, acres, sq ft, etc.).
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Reserve this listingTime Converter
Convert between different time units (seconds, minutes, hours, etc.).
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates.
SQL to CSV Converter
Convert SQL INSERT statements to CSV format.
SQL to JSON Converter
Convert SQL INSERT statements to JSON format.
SQL to XML Converter
Convert SQL INSERT statements to XML format.
SQL to YAML Converter
Convert SQL INSERT statements to YAML format.
SQL to HTML Converter
Convert SQL INSERT statements to HTML table format.
CSV Viewer
Preview CSV data in a readable text table.
CSV to JSON
Convert CSV rows into a JSON array.
CSV to XML
Convert CSV rows into XML elements.
CSV to HTML
Convert CSV rows into an HTML table.
CSV to TSV
Convert comma-separated values to tab-separated values.
CSV to Multiline Data
Convert CSV rows into key-value multiline blocks.
CSV to SQL
Convert CSV rows into SQL INSERT statements.
CSV to Excel
Convert CSV rows into Excel XML spreadsheet format.
Credit Card Fake Number Generator
Generate fake credit card numbers that pass Luhn validation.
Credit Card Validator
Validate credit card numbers using the Luhn algorithm.
Crontab Format
Format, validate, and explain cron schedule expressions.
MediaFast
Reddit GEO & Marketing, done for you.
Curl to PHP
Convert cURL commands to PHP cURL code.
File Difference
Compare two texts and highlight the differences between them.
JavaScript Obfuscator
Obfuscate JavaScript code to make it harder to read.
JSON Diff
Compare two JSON objects and highlight the differences.
JSON Path Tester
Test JSONPath expressions against JSON data.
XPath Tester
Test XPath expressions against XML data.
TheMarketingOS.io
How SaaS founders actually get their first customers
XML Diff
Compare two XML documents and highlight the differences.
All Numbers Converter
Convert numbers between binary, octal, decimal, and hexadecimal formats.
Decimal to Binary
Convert decimal numbers to binary format.
Decimal to Octal
Convert decimal numbers to octal format.
Binary to Decimal
Convert binary numbers to decimal format.
Binary to Hex
Convert binary numbers to hexadecimal format.
Binary to Octal
Convert binary numbers to octal format.
Hex to Decimal
Convert hexadecimal numbers to decimal format.
Hex to Binary
Convert hexadecimal numbers to binary format.
Hex to Octal
Convert hexadecimal numbers to octal format.
Octal to Decimal
Convert octal numbers to decimal format.
Octal to Binary
Convert octal numbers to binary format.
Octal to Hex
Convert octal numbers to hexadecimal format.
ASCII to Text
Convert ASCII character codes back to readable text.
Char to ASCII
Convert characters to their ASCII code values.
Reverse Hex
Reverse the order of bytes in a hexadecimal string.
Upside Down Text
Flip text upside down using Unicode character mapping.
Random Word Generator
Generate random English words.
NTLM Hash Generator
Generate an NTLM hash for a given input string.
Password Generator
Generate strong, random passwords with configurable options.
String Builder
Combine multiple strings together with a custom separator.
Number to Word Converter
Convert numeric values to their English word representation.
Word to Number Converter
Convert English word numbers back to numeric values.
Word Counter
Count words, characters, lines, and sentences in any text.
Word Repeater
Repeat a word or phrase multiple times.
Reverse String
Reverse the order of characters in a string.
String to Hex Converter
Convert text characters to their hexadecimal representation.
Hex to String Converter
Convert hexadecimal values back to readable text.
String to Binary Converter
Convert text characters to their binary representation.
Binary to String Converter
Convert binary values back to readable text.
Case Converter
Convert text between different case formats.
Delimited Text Extractor
Extract text between custom delimiters.
Remove Accents
Remove diacritics and accents from characters.
Remove Duplicate Lines
Remove duplicate lines from text while preserving order.
Remove Empty Lines
Remove all empty or whitespace-only lines from text.
Remove Extra Spaces
Replace multiple consecutive spaces with a single space.
Remove Whitespace
Remove all whitespace characters including spaces, tabs, and newlines.
Remove Line Breaks
Remove line breaks from text, replacing them with spaces.
Remove Lines Containing
Remove all lines that contain a specified word or phrase.
Sort Text Lines
Sort lines of text alphabetically.
Word Sorter
Sort words in a text alphabetically.
Word Frequency Counter
Count the frequency of each word in a text.
Text Repeater
Repeat any text multiple times.
Remove Punctuation
Remove all punctuation marks from text, keeping letters, numbers, and spaces.
JSON to CSV
Convert JSON array data to CSV format.
JSON to Excel
Convert JSON array data to an Excel-compatible CSV format.
JSON to HTML
Convert JSON array data to an HTML table.
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Reserve this listingJSON to JAVA
Convert JSON data to Java class representations.
JSON to Text
Convert JSON data to a human-readable text representation.
JSON to TSV
Convert JSON array data to TSV (tab-separated) format.
JSON to XML
Convert JSON data to XML format.
JSON to YAML
Convert JSON data to YAML format.
XML Converter
Format and beautify XML data with proper indentation.
XML to CSV
Convert XML data to CSV format.
XML to Excel
Convert XML data to an Excel-compatible CSV format.
XML to HTML
Convert XML data to an HTML table representation.
XML to JAVA
Convert XML data structure to Java class representations.
XML to JSON
Convert XML data to JSON format.
XML to Text
Convert XML data to a human-readable text representation.
XML to TSV
Convert XML data to TSV (tab-separated) format.
XML to YAML
Convert XML data to YAML format.
XML-XSL Transform
Transform XML data using XSL stylesheets.
CSS Minify
Minify CSS by removing unnecessary whitespace and formatting.
JSON Minify
Minify JSON by removing unnecessary whitespace and formatting.
Lua Minifier
Minify Lua source code by removing unnecessary whitespace.
Minify HTML
Minify HTML by removing unnecessary whitespace between tags.
Minify JS
Minify JavaScript by removing whitespace and comments.
SQL Minifier
Minify SQL queries by normalizing whitespace.
Text Minifier
Minify text by collapsing multiple whitespace characters into single spaces.
XML Minify
Minify XML by removing unnecessary whitespace between tags.
HTML Stripper
Strip HTML tags from text.
HTML Table Generator
Generate an HTML table from delimited data.
HTML to CSV Converter
Convert an HTML table to CSV format.
HTML to TSV Converter
Convert an HTML table to TSV format.
HTML to PHP Converter
Convert HTML to PHP echo statements.
HTML to CSV
Convert an HTML table to comma-separated values.
HTML to JSON
Convert an HTML table to JSON format.
HTML to XML
Convert an HTML table to XML format.
HTML to YAML
Convert an HTML table to YAML format.
HTML to Text
Convert HTML to plain text.
Text to HTML Entities
Convert text characters to HTML entity equivalents.
HTML Entities to Text
Convert HTML entities back to plain text.
HTML to Markdown
Convert HTML to Markdown format.
Markdown to HTML
Convert Markdown to HTML format.
PUG to HTML Converter
Convert Pug template syntax to HTML.
HTML to PUG Converter
Convert HTML to Pug template syntax.
JADE to HTML Converter
Convert Jade template syntax to HTML.
HTML to JADE Converter
Convert HTML to Jade template syntax.
HTML to BBCode Converter
Convert HTML to BBCode format.
BBCode to HTML Converter
Convert BBCode to HTML format.
YAML Converter
Format and beautify YAML data with proper indentation.
YAML to CSV
Convert YAML array data to CSV format.
YAML to Excel
Convert YAML array data to an Excel-compatible CSV format.
YAML to JSON
Convert YAML data to JSON format.
YAML to XML
Convert YAML data to XML format.
Random IP Address
Generate random IPv4 and IPv6 addresses.
Random Time Generator
Generate random times in various formats.
Random UUID Generator
Generate random UUID v4 identifiers.
Random JSON Generator
Generate random JSON structures.
Random XML Generator
Generate random XML structures.
Random Data from Regex
Generate random strings that match a given regular expression pattern.
Random CSV Generator
Generate random CSV data with configurable rows and columns.
Random Number Generator
Generate a random number with configurable range.
Random Integer Generator
Generate a random integer within an optional range.
Random Prime Generator
Generate a random prime number within an optional range.
Random Date Generator
Generate random dates within an optional range.
Random Bitmap Generator
Generate a random bitmap pattern as a string.
Random Name Picker
Pick a random name from a provided list.
Text Lines shuffler
Shuffle the order of lines in a text block.
MAC Address Generator
Generate random MAC addresses.
Random Hex Generator
Generate random hexadecimal strings.
Random TSV Generator
Generate random TSV data with configurable rows and columns.
Random String Generator
Generate a random string of specified length using alphanumeric characters.
Random Fraction Generator
Generate a random fraction between 0 and 1.
Random Binary Generator
Generate a random binary string of specified length.
Random Byte Generator
Generate random bytes in hexadecimal format.
Random Decimal Generator
Generate a random decimal number.
Random Alphanumeric Generator
Generate a random alphanumeric string of specified length.
MD2 Hash Generator
Generate an MD2 hash from any text input.
MD4 Hash Generator
Generate an MD4 hash from any text input.
MD5 Hash Generator
Generate an MD5 hash from any text input.
MD6 Hash Generator
Generate an MD6 hash from any text input.
SHA1 Hash Generator
Generate a SHA-1 hash from any text input.
SHA2 Hash Generator
Generate a SHA-256 (SHA-2) hash from any text input.
SHA224 Hash Generator
Generate a SHA-224 hash from any text input.
SHA256 Hash Generator
Generate a SHA-256 hash from any text input.
SHA384 Hash Generator
Generate a SHA-384 hash from any text input.
SHA512 Hash Generator
Generate a SHA-512 hash from any text input.
SHA512/224 Hash Generator
Generate a SHA-512/224 hash from any text input.
SHA512/256 Hash Generator
Generate a SHA-512/256 hash from any text input.
SHA3-224 Hash Generator
Generate a SHA3-224 hash from any text input.
SHA3-256 Hash Generator
Generate a SHA3-256 hash from any text input.
SHA3-384 Hash Generator
Generate a SHA3-384 hash from any text input.
SHA3-512 Hash Generator
Generate a SHA3-512 hash from any text input.
CRC-16 Hash Generator
Generate a CRC-16 checksum from any text input.
CRC-32 Hash Generator
Generate a CRC-32 checksum from any text input.
Shake-128 Hash Generator
Generate a SHAKE-128 hash from any text input.
Shake-256 Hash Generator
Generate a SHAKE-256 hash from any text input.
Whirlpool Hash Generator
Generate a Whirlpool hash from any text input.
HMAC Generator
Generate an HMAC hash using a secret key and various algorithms.
Encryption-Decryption
Encrypt or decrypt text using AES with a secret key.
Wordpress Password Hash Generator
Generate a WordPress-compatible password hash.
JWT Decoder
Decode a JWT token and view its header and payload as formatted JSON.
JWT Encoder
Create a signed JWT token from a JSON payload using a secret key.
DNS Lookup
Look up DNS records for a domain name.
Hostname to IP
Resolve a hostname to its IP address.
IP to Hostname
Resolve an IP address back to a hostname.
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text.
MX Lookup
Look up MX (mail exchange) records for a domain.
Nameserver Lookup
Look up nameserver (NS) records for a domain.
QR Code Generator
Generate a QR code from text or a URL.
Sharelink Generator
Generate social media share links for any URL.
Webcam Test
Test your webcam directly in the browser.
Website to IP Address
Find the IP address of any website.
Code Highlighter
Highlight syntax of code in various programming languages.
HTML Pretty Print
Format and beautify HTML code with proper indentation.
JS Pretty Print
Format and beautify JavaScript code with proper indentation.
JSON Syntax Highlighting
Highlight JSON syntax with color-coded keys, strings, numbers, and booleans.
XML Highlighter
Highlight XML syntax with color-coded tags, attributes, and values.
Binary to IP
Convert a binary value to an IP address.
Decimal to IP
Convert a decimal value to an IP address.
Hex to IP
Convert a hexadecimal value to an IP address.
IP to Binary
Convert an IP address to a binary value.
IP to Decimal
Convert an IP address to a decimal value.
IP to Hex
Convert an IP address to a hexadecimal value.
IP to Octal
Convert an IP address to an octal value.
IPv6 to Binary
Convert an IPv6 address to its binary representation.
Octal to IP
Convert an octal value to an IP address.
XML Escape Unescape
Escape or unescape XML special characters in text.
Java Escape Unescape
Escape or unescape Java string literal special characters.
C# Escape Unescape
Escape or unescape C# string literal special characters.
Javascript Escape Unescape
Escape or unescape JavaScript string literal special characters.
CSV Escape Unescape
Escape or unescape CSV field values.
SQL Escape Unescape
Escape or unescape SQL string literal special characters.
Un-Google Link
Extract the real URL from a Google redirect link.
Regex Cheat Sheet
Review common regular expression tokens, anchors, groups, and flags.
Regex Tester
Test a regular expression against sample text and inspect matches.
Regex101
From a simple tester to a broader platform for debugging, integration, and performance work.
Regex Validator
Validate regular expression syntax and report parsing errors.
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