Base64 encoder & decoder
Encode Unicode text as Base64 or decode Base64 back into readable text.
Developer toolsSHA hash generator
Calculate SHA-256, SHA-384 or SHA-512 hashes of text using Web Crypto.
Ready when you are.
◎ No uploads. Your input stays here.↗ Free to use. No account needed.⌘ / Ctrl + Enter to run
A worked example
Using the default settings. You can try the same input in the workspace.
Input / settings
Hello, world!
Expected result
315f5bdb76d078c43b8ac0064e4a0164612b1fce77c869345bfc94c75894edd3
A LITTLE GUIDANCE
How to use SHA hash generator
Choose a SHA algorithm and enter text. The exact UTF-8 bytes, including whitespace, are hashed.
Good to know
Hashes are one-way fingerprints, not encryption. Plain SHA hashes are not suitable for storing passwords.
A few quick answers.
Can I recover the text from its SHA hash?
A hash is not reversible encryption. Even a newline changes the digest. These fast SHA hashes are not a substitute for password hashing algorithms such as Argon2.
Is my input sent to a server?
No. This tool processes your input in your browser. We don't store your text, files or results. Standard website access logs are separate; read our privacy notes.
Can I use it for free?
Yes. No account, subscription or usage credits are required.
How do I keep my result?
Use Copy or Download after running the tool. Inputs are not saved automatically and disappear when you leave or refresh the page.
Something not right? Report a problem with this tool. Include the steps, but never passwords or private input.