utility tools
Utility tools
Quick everyday utilities: passwords, data, and event counting. Type or paste your content and see instant results, with no sign-up required and no ads hiding your answer.
All tools
Password Generator
Create secure, random passwords in seconds.
#QR Code Generator
Create QR codes for a link, Wi-Fi, contact, and more, downloadable as PNG.
#Image Compressor
Shrink JPEG, PNG, and WebP files, with quality control.
#QR Code Scanner
Scan QR codes with your camera or by uploading an image.
#JSON Formatter
Format, validate, and minify JSON online.
#Countdown Timer
For events and dates, updated live.
#Time Zone Calculator
Convert times and view current time around the world live.
⏱Time Converter
Convert seconds, minutes, hours, days, weeks, months, and years.
°Temperature Converter
Convert Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur.
un.Length Converter
Convert millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles.
un.Weight Converter
Convert milligrams, grams, kilograms, metric tons, ounces, pounds, and stones.
un.Speed Converter
Convert m/s, km/h, mph, knots, and feet per second.
un.Volume Converter
Convert mL, liters, m³, gallons, quarts, and fluid ounces.
un.Area Converter
Convert cm², m², km², hectares, acres, ft², and mi².
un.File Size Converter
Convert bytes, KB, MB, GB, TB, and PB, in decimal or binary base.
#Random Number Generator
Draw numbers, no-repeat lists, and roll virtual dice.
#Color Converter
Convert HEX, RGB, and HSL in real time, with a visual picker.
#HEX to RGB Converter
Convert between HEX and RGB both ways, with a live color preview.
#UUID Generator
Generate UUID v4 values, lists of UUIDs, and validate the format.
#Base64 Encoder/Decoder
Encode, decode, and validate Base64 with UTF-8 support.
#URL Encoder/Decoder
Encode and decode URLs, with a component or full URL option.
#HTML Entity Encoder/Decoder
Convert special characters into HTML entities and decode them back to text.
#Unix Timestamp Converter
Convert timestamp to date, date to timestamp, and see the current timestamp.
#JWT Decoder
View the Header and Payload of a JSON Web Token, with issued-at and expiration dates.
#Hash Generator
Generate and compare MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes.
#Regex Tester
Test, replace, and extract capture groups with regular expressions.
#CSV/JSON Converter
Convert CSV to JSON and JSON to CSV in both directions, with a table preview.
un.Unit converter
Convert length, weight, volume and other units.
#Lorem Ipsum Generator
Generate placeholder text by paragraphs, sentences, or words.
#Text Case Converter
UPPERCASE, lowercase, camelCase, snake_case, and more.
#Word Counter
Words, characters, sentences, and reading time in real time.
#Character Counter
Platform character limits with a live progress bar.
#Text Reverser
Reverse characters, words, lines, or make upside down text.
#Remove Duplicate Lines
Clean up lists by removing repeated lines, with several options.
#JSON Validator
Find syntax errors with the exact line and column.
#XML Formatter
Format, validate, and minify XML online.
#XML and JSON Converter
Convert XML to JSON and JSON to XML in both directions.
#CSV Viewer
View a CSV as a table, with column sorting and search.
#Markdown to HTML Converter
Live preview and ready-to-copy HTML code.
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Frequently Asked Questions
Does the password generator save or transmit generated passwords?
No. Passwords are generated directly inside your browser and are never sent to or stored on any server.
Does the QR code generator send the typed content to a server?
No. The QR code is generated entirely in your browser, and the text or link you type never leaves your device.
Does the QR code scanner send the camera video or image to a server?
No. Scanning happens locally in your browser, whether via camera or an uploaded image, without transmitting anything off your device.
Does the JSON formatter send my data to a server?
No. Formatting, validation, and minification occur locally in your browser without transmitting any content externally.
Does the countdown timer update automatically?
Yes, every second, without needing to refresh the page. It also automatically switches to "time since" when the target date has passed.
Does the holidays page account for movable holidays like Carnival and Easter?
Yes. These movable holidays are calculated dynamically based on the Easter date for that year, rather than using hardcoded static dates.
Does the time zone calculator account for Daylight Saving Time (DST)?
Yes, automatically, using your browser's internal time zone database, which adjusts based on the selected date.
Do the generated CPFs and CNPJs belong to real people or businesses?
No. They are generated randomly following mathematical check-digit rules exclusively for software testing and development purposes.
Does the Lorem Ipsum generator send the generated text to a server?
No. Text is generated locally in your browser, with no server communication involved.
Does the text case converter send the typed content to a server?
No. All conversion happens locally in your browser, without sending the text off your device.
Does the word counter send the typed text to a server?
No. All counting and analysis happens locally in your browser, without sending the content off your device.
Does the character counter send the typed text to a server?
No. All counting happens locally in your browser, without sending the content off your device.
Does the text reverser send the typed content to a server?
No. All reversal happens locally in your browser, without sending the text off your device.
Does the duplicate line remover send the pasted text to a server?
No. All removal happens locally in your browser, without sending the content off your device.
Does the JSON validator send the pasted content to a server?
No. All validation happens locally in your browser, without sending the content off your device.
Does the XML formatter send the pasted content to a server?
No. All validation, formatting, and minifying happen locally in your browser, without sending the content off your device.
Does the XML and JSON converter send the pasted content to a server?
No. All conversion happens locally in your browser, without sending the content off your device.
Does the CSV viewer send the file to a server?
No. Pasted or uploaded content is processed entirely in your browser, with no upload to a server.
Does the Markdown converter send the typed content to a server?
No. The conversion happens entirely in your browser, without sending the content to any server.
Does the HTML entity encoder/decoder send the typed content to a server?
No. All encoding and decoding happens locally in your browser, without sending the content off your device.
Does the JWT decoder verify the token's signature?
No. It only decodes the Header and Payload, which are not encrypted, just Base64URL-encoded. It does not confirm whether the signature is valid or whether the token is authentic.
Is the token pasted into the JWT decoder saved anywhere?
No. Decoding happens entirely in your browser, without sending the token to any server.
Does the color converter send the typed values to a server?
No. All conversion between HEX, RGB, and HSL happens locally in your browser, without sending any value off your device.
Does the HEX to RGB converter send the typed values to a server?
No. All conversion happens locally in your browser, without sending any value off your device.
Does the image compressor send the file to a server?
No. All processing happens locally, using your browser's own capabilities. The image never leaves your device.
Does the file size converter send the typed values to a server?
No. All conversion happens locally in your browser, without sending any value off your device.
Does the validator verify if a CPF or CNPJ actually exists?
No, it only verifies mathematical (syntactic) validity based on check digits. Confirming actual existence requires querying official government databases.