Online Tools & Utilities
Free online tools for QR code generation, passwords, encoding, hashing and more. All processing happens in your browser.
Generators
QR Code Generator
Create QR codes
QR Decoder from image
Decode QR code from image
Barcode Generator
Create EAN-13, Code 128, UPC and more
Barcode Scanner
Decode barcodes from photo or camera
2FA Token Generator
Generate Google Authenticator codes
2FA Vault
TOTP secret manager
Password Generator Online
Generate secure passwords
Encoders
Developer Tools
JSON ↔ CSV
Convert JSON and CSV
Hash Generator MD5 / SHA
MD5, SHA-1, SHA-256, SHA-512 for text and files
UUID Generator
Generate UUID v4, v7 and GUID
JWT Decoder
Decode JWT tokens online
BIN Lookup
Find bank by card number
Unix Timestamp
Timestamp ↔ date converter
Excel: date ↔ number
Convert Excel date number to date and back
Color Converter
Convert HEX/RGB/HSL colors
Regex Tester
Test regular expressions
Network Tools
Other
About Online Tools
Our collection of 14 tools helps you quickly perform various tasks — from generating QR codes and passwords to Base64 encoding, hashing and IP lookup. Each tool is built for speed and privacy.
All tools work directly in your browser without registration and are completely free. Data is processed locally and never sent to a server.
Benefits of Our Tools
Secure
All data is processed locally in your browser. Passwords, keys and other sensitive information never leave your device.
Instant
Results appear instantly as you type. No server requests or loading indicators.
Free
Use all tools without limits, registration or hidden fees.
FAQ
Is it safe to use these tools?
Yes, all data is processed exclusively in your browser. Nothing is sent to servers. Passwords, hashes and other data never leave your device.
Are the tools free?
Yes, all tools on Convertilo are completely free — no hidden fees, premium plans or registration required.
Do they work on mobile devices?
Yes, all tools are fully responsive and optimized for mobile devices, tablets and desktops.
Do they work offline?
After loading the page, most tools work completely offline since all processing happens in the browser.