Text hash generator
Calculate SHA-256, SHA-384, SHA-512, SHA-1, MD5 or CRC32 over UTF-8 text.
Open toolBack
Security & hashes
Encrypt a file
Encrypt file content and its original filename in a password-protected AES-GCM envelope.
Free to useProcessed on your device
Open tool…
About this tool
Encrypt file content and its original filename in a password-protected AES-GCM envelope.
How to use
- Enter the data and required algorithm settings.
- Run the calculation locally in your browser.
- Copy or download the result. Preserve required keys and parameters for later verification.
Everything runs locally in this browser. Web Crypto requires HTTPS. Keep keys and passwords private and save your own recovery copies; this website cannot recover them. Files up to 30 MB are supported. The encrypted envelope is JSON and is larger than the original due to Base64 encoding.
Comment
Related tools
File checksum calculator
Calculate cryptographic hashes and CRC32 for a local file and compare a known checksum.
Open toolHMAC generator
Create a keyed HMAC over UTF-8 text using SHA-256, SHA-384 or SHA-512.
Open toolPBKDF2 key derivation
Derive a key from a password using PBKDF2-HMAC-SHA-256 with an explicit salt and iteration count.
Open tool