IP Address Lookup
Look up information about an IP address.
Base64 Converter
Encode and decode Base64 strings and files.
DNS Lookup Tool
Query DNS records for any domain name.
CIDR Calculator
Calculate IPv4 subnet ranges, masks, broadcast addresses, and host counts.
CHMOD Calculator
Convert Unix permissions between checkbox, octal, and symbolic formats.
CRON Expression Generator
Create and decode CRON expressions for scheduled tasks.
QR Code Generator
Create customizable QR codes for links, text, wifi and more.
QR Code Decoder
Decode QR codes from images or scan them directly with your camera.
SSL Certificate Checker
Check SSL certificate validity, expiration dates, and security grades.
Network Speed Test
Test your internet connection speed with download, upload, and latency measurements.
Bulk File Renamer
Rename multiple files with pattern-based rules, sequential numbering, and batch operations.
File Compressor
Compress files and folders into ZIP archives with customizable compression levels.
Barcode Generator
Generate professional barcodes in various formats including CODE128, EAN13, UPC, and CODE39.