Need to create a checksum to verify a file? The Wivrix Encrypt & Decrypt Text and Files is free, works in your browser, and takes seconds to use.
What this tool does
Encrypt or decrypt text and files in your browser with AES-GCM, ChaCha20-Poly1305 or XChaCha20-Poly1305, and Argon2id, scrypt or PBKDF2. Nothing is uploaded.
Why use Wivrix?
Many online tools ask you to sign up, add a watermark, or upload your files to a server you cannot see. Wivrix is different:
- Private by design — Everything runs in your browser. Your files and input stay on your device — nothing is uploaded to Wivrix.
- Free — no account, no paywall, no file-size tricks
- Fast — open the page and start working
Step-by-step guide
- Pick the Text tab to encrypt a message, or Files to encrypt one or more files.
- Type or paste your text, or drop your files onto the box.
- Enter a passphrase and repeat it. Use Suggest a strong passphrase if you want one generated for you.
- Leave the defaults (AES-GCM, 256-bit, PBKDF2) unless you have a reason to change them — they are a sound choice for almost everything. Key size, key derivation, associated data and the output format all sit under Advanced .
Common uses
- Create a checksum to verify a file
- Encrypt sensitive text before sharing it
Frequently asked questions
Do I need an account?
No. Open the tool and use it straight away.
Is the Encrypt & Decrypt Text and Files really free?
Yes. Wivrix tools are free to use. The site is supported by ads that load only after you consent.
Is my data safe?
Everything runs in your browser. Your files and input stay on your device — nothing is uploaded to Wivrix.
Try it now
Open the free Encrypt & Decrypt Text and Files and follow the steps above. If this guide helped, bookmark the tool or share it with someone who needs the same job done quickly.
Related tools
- Hash Generator (SHA-1, SHA-256, MD5) — see also our guide
- Base64 Encoder / Decoder — see also our guide
- JWT Decoder — see also our guide
Ready to try it? Open the free Encrypt & Decrypt Text and Files — no sign-up needed.
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