Welcome to 365utils.com
All tools are 100% free and run completely inside your browser. No data leaves your machine.
Featured Tools
Password Generator
Generate highly secure, random passwords instantly with customizable lengths, character subsets, and local strength estimation.
Popular Tools
Generate highly secure, random passwords instantly with customizable lengths, character subsets, and local strength estimation.
Create customized high-resolution QR codes in seconds for URLs, text, email, Wi-Fi credentials, or VCards. Download as SVG or PNG.
Beautify, validate, minify, and inspect JSON documents in real-time. Detect syntax errors instantly with custom line highlights.
Convert measurements between length, weight, area, volume, temperature, and speed units across imperial and metric systems.
Merge multiple PDF documents together, or extract selected page ranges into a new document securely without uploading.
Optimize image sizes (PNG, JPEG, WebP) with advanced compression settings to reduce page weight without losing visual quality.
Recently Added
Decode and inspect JSON Web Token (JWT) headers, payloads, and signatures client-side without sending secrets to any server.
Translate raw docker run CLI commands into neat, structured, and production-ready docker-compose.yml configuration files.
Draw custom digital signatures on a smooth interactive canvas and download them as high-quality, transparent PNG images.
All the tools
Password Generator
Generate highly secure, random passwords instantly with customizable lengths, character subsets, and local strength estimation.
Password Strength Tester
Test how strong your password is against brute-force attacks with real-time entropy and crack time estimates.
QR Code Generator
Create customized high-resolution QR codes in seconds for URLs, text, email, Wi-Fi credentials, or VCards. Download as SVG or PNG.
Wi-Fi QR Code Generator
Produce scan-to-connect QR codes for WPA/WPA2, WEP, or open wireless networks. Share your connection credentials securely.
vCard QR Code Generator
Generate standard vCard contact QR codes to share phone numbers, addresses, and emails for instant smartphone importing.
Hash Generator
Compute MD5, SHA-1, SHA-256, and SHA-512 cryptographic hash signatures for texts and verify file checksums locally in your browser.
Bcrypt Generator & Verifier
Hash sensitive user credentials using secure Bcrypt with adjustable cost factors, and safely verify matching hashes client-side.
Text Encrypt / Decrypt
Secure your text messages with industry-standard AES-256 encryption. Encrypt and decrypt strings locally using a private password.
File Encrypt & Decrypt
Encrypt and decrypt any files locally in your browser using secure AES-256-GCM encryption. Zero server storage ensures complete privacy.
UUID / GUID Generator
Generate unique RFC 4122 compliant UUID Version 4 identifiers in bulk. Quick copy formatting options for developers.
SSL Certificate Checker
Check SSL/TLS certificate details for any domain including issuer, validity dates, and certificate chain status.
IP Address Lookup
Look up geolocation, ISP, ASN, timezone, and network details for any IPv4 or IPv6 address instantly.