Dynamic QR Code generator
Create a QR code whose destination can be changed later on GenQRCode.
Free online tools for text, data, dates, URLs, and units
Format JSON and XML, analyze text, convert timestamps and units, encode URLs, calculate tax, and create secure random values without installing an app.
QR code tools
3D QR Code generator
Create a QR code for 3D content on GenQRCode.
Email QR Code generator
Create a QR code that opens a new email on GenQRCode.
Facebook QR Code generator
Create a QR code for a Facebook page on GenQRCode.
Geo QR Code generator
Create a QR code for a map location on GenQRCode.
LinkedIn QR Code generator
Create a QR code for a LinkedIn profile on GenQRCode.
STL QR Code generator
Create a QR code for an STL file on GenQRCode.
vCard QR Code generator
Create a QR code for contact details on GenQRCode.
WhatsApp QR Code generator
Create a QR code that starts a WhatsApp chat on GenQRCode.
WiFi QR Code generator
Create a QR code for joining a WiFi network on GenQRCode.
Archive tools
Archive extractor
Open ZIP, RAR, 7Z, TAR, and other common archives directly in your browser.
Calculators
Discount calculator
Find the sale price and the amount saved.
Percentage calculator
Calculate a percentage of any positive number.
Tip calculator
Calculate a tip and split the total between people.
VAT and tax calculator
Add or remove a tax percentage from an amount.
Data formatters and validators
CSV to JSON converter
Convert CSV rows into a JSON array of objects.
JSON compactor
Remove unnecessary spacing from valid JSON.
JSON comparison tool
Compare the structure and values of two JSON documents.
JSON formatter
Make valid JSON easier to read.
JSON string escaper
Escape text so it can be placed inside a JSON string.
JSON string unescaper
Turn JSON escape sequences back into text.
JSON to CSV converter
Convert a flat JSON array of objects into CSV.
JSON to XML converter
Convert JSON data to an XML document.
JSON validator
Check whether text is valid JSON.
XML formatter
Make valid XML easier to read.
XML to JSON converter
Convert a valid XML document to JSON.
XML validator
Check whether text is well-formed XML.
YAML formatter
Format one safe YAML document with consistent spacing.
YAML validator
Check whether one YAML document is valid and safe to parse.
Date and time
Time zone converter
Convert a local date and time between time zones.
Unix timestamp converter
Turn a Unix timestamp into a readable date and time.
Encoders and decoders
Base32 decoder
Decode Base32 data as UTF-8 text.
Base32 encoder
Encode UTF-8 text as Base32.
Base64 decoder
Decode Base64 data as UTF-8 text.
Base64 encoder
Encode UTF-8 text as Base64.
Hex decoder
Decode hexadecimal bytes as UTF-8 text.
Hex encoder
Encode UTF-8 text as hexadecimal bytes.
HTML escaper
Replace HTML-sensitive characters with entities.
HTML unescaper
Turn HTML entities back into text.
JWT decoder
Read the JSON header and payload of a JWT without verifying it.
Generators
Passphrase generator
Create a passphrase from random English words.
Password generator
Create a strong random password with selected character sets.
Random color generator
Create a random six-digit HEX color.
Random date generator
Pick a random date within a range.
Random number generator
Create a random whole number within a range.
Random string generator
Create random text using the character sets you choose.
Random word generator
Pick a word from the built-in English word list.
UUID generator
Create a random version 4 UUID.
vCard creator
Create and download a vCard 4.0 contact file with an optional face photo.
Hash tools
MD5 hash generator
Create an MD5 checksum from text. MD5 is not safe for passwords.
SHA-1 hash generator
Create a SHA-1 checksum from text. SHA-1 is not safe for passwords.
SHA-256 hash generator
Create a SHA-256 checksum from text.
SHA-384 hash generator
Create a SHA-384 checksum from text.
SHA-512 hash generator
Create a SHA-512 checksum from text.
Image tools
EXIF data editor and remover
Inspect, edit, or remove image metadata in your browser.
Image compressor
Compress an image as JPEG or WebP in your browser.
Image cropper
Crop a PNG, JPEG, or WebP image in your browser.
Image resizer
Resize a PNG, JPEG, or WebP image in your browser.
Rotate and flip an image
Rotate or mirror an image without uploading it.
WebP to PNG converter
Convert a WebP image to PNG in your browser while keeping transparency.
Number converters
Binary to decimal converter
Convert a binary number to decimal.
Binary to hexadecimal converter
Convert a binary number to hexadecimal.
Binary to octal converter
Convert a binary number to octal.
Decimal to binary converter
Convert a decimal number to binary.
Decimal to hexadecimal converter
Convert a decimal number to hexadecimal.
Decimal to octal converter
Convert a decimal number to octal.
Hexadecimal to binary converter
Convert a hexadecimal number to binary.
Hexadecimal to decimal converter
Convert a hexadecimal number to decimal.
Hexadecimal to octal converter
Convert a hexadecimal number to octal.
Octal to binary converter
Convert an octal number to binary.
Octal to decimal converter
Convert an octal number to decimal.
Octal to hexadecimal converter
Convert an octal number to hexadecimal.
Text tools
Character counter
Count Unicode characters in text.
Character frequency analyzer
See how often each character appears in text.
Duplicate line remover
Remove repeated lines while keeping their first occurrence.
Line counter
Count lines in pasted or typed text.
Lowercase converter
Convert text to lowercase.
Text comparison tool
Compare two text blocks and see changed lines.
Text encoding analyzer
Check whether text resembles binary, hexadecimal, numeric, or Base64 data.
Uppercase converter
Convert text to uppercase.
Word counter
Count words in pasted or typed text.
Unit converters
Area converter
Convert common metric and imperial area units.
Centimeters to inches converter
Convert centimeters to inches with an exact metric conversion.
Data storage converter
Convert bits, bytes, decimal units, and binary units.
Kilograms to pounds converter
Convert kilograms to pounds for weight, shipping, fitness, and travel.
Length converter
Convert common metric and imperial length units.
Mass and weight converter
Convert common metric and imperial mass units.
Speed converter
Convert common metric, imperial, and nautical speed units.
Temperature converter
Convert Celsius, Fahrenheit, Kelvin, and Rankine.
Volume converter
Convert common metric, US, and imperial volume units.
URL and web tools
Slug generator
Turn text into a clean, URL-friendly slug.
URL component decoder
Decode percent-encoded URL component text.
URL component encoder
Percent-encode text for one part of a URL.
URL parameter extractor
List the query parameters in a URL.
URL sanitizer
Clean an HTTP URL and remove common tracking parameters.
About these free online tools
MyOnlineTools brings common developer and everyday utilities into one searchable catalog. Open a tool, enter a value, and copy the result when it is ready.
Free tools with no sign-up
Use every formatter, converter, calculator, analyzer, and generator without creating an account or installing an app.
Built for quick tasks
Each page focuses on one job, with clear fields, useful limits, and a result that is easy to copy.
Private image editing
Text and data tools run on this server without contacting outside services. Image editing happens only in your browser.