Small tools.
Big help.
Practical tools for everyday work. Fast, simple and right in your browser.
Useful every day.
Encrypted sharing
Share a password, private text and multiple files with an expiring encrypted link.
Open toolJSON Formatter
Format, validate and clean up JSON.
Open toolBase64
Encode or decode text.
Open toolUUID Generator
Generate a unique identifier.
Open toolMD5 / SHA Hash
Create a text fingerprint.
Open toolURL Encoder
Encode URL parameters.
Open toolCharacter count
Count characters and words.
Open toolPassword Generator
Generate secure random passwords.
Open toolCron Builder
Build and explain five-field cron expressions.
Open toolDNS Lookup
Query DNS records for a domain.
Open toolWHOIS / RDAP
Look up public registration data using RDAP.
Open toolSSL Checker
Check a website’s TLS certificate and expiry.
Open toolHTTP Headers
Inspect HTTP response headers.
Open toolWhat is my IP?
Show your IP address and network registration data.
Open toolSPF / DMARC / DKIM
Inspect SPF, DMARC and selector-specific DKIM records.
Open toolMail Analyzer
Upload an .eml or .msg file and find out why an email landed in spam.
Open toolQR Generator
Create a downloadable QR code.
Open toolUnix Timestamp
Convert Unix timestamps and ISO dates.
Open toolColor Converter
Convert HEX, RGB and HSL colors.
Open toolLorem Ipsum
Generate sample paragraphs or words.
Open toolRegex Tester
Test regular expressions with a time limit.
Open toolJWT Decoder
Decode JWT headers and payloads.
Open toolSQL Formatter
Format SQL for multiple database dialects.
Open toolXML Formatter
Format and validate XML.
Open toolHTML Validator
Check HTML for errors like the W3C validator — paste code, upload a file or enter a URL.
Open toolCSS Validator
Find CSS syntax errors, unknown properties, invalid values and selectors.
Open toolXML Validator
Check that XML is well-formed and validate it against a DTD or an XSD schema.
Open toolCSV Converter
Convert CSV, JSON and XML table data.
Open toolImage Converter
Resize, compress and convert images to WebP.
Open toolPDF Tools
Merge, extract pages and optimize PDF files.
Open toolTry another name or category.
Hubio Composer
A private Composer repository for your PHP packages – free for Hubio customers.
Your data stays with you.
Local tools process data in your browser. Network lookups use our server and public DNS/RDAP services.