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IsekaiKit › Tools

Hash generator

Hashes update as you type. Choose a file to compute its checksum without uploading it.

Which hash should I use?

Use SHA-256 or better for anything security-related. MD5 and SHA-1 are broken for security but still common for checksums and cache keys.

Is my data safe?

Yes. Everything runs in your browser. Nothing you paste here is sent to any server.

More to try

JSON Formatter Format, validate and minify JSON with clear error messages. Base64 Encode / Decode Encode or decode Base64 with full UTF-8 support. Files to data URLs too. URL Encode / Decode Percent-encode or decode URLs and see every query parameter. UUID Generator Generate UUID v4 or time-ordered v7 in bulk. Unix Timestamp Converter Convert epoch seconds or milliseconds to dates and back. JWT Decoder Decode a JSON Web Token's header and payload, check expiry. Regex Tester Test JavaScript regular expressions with live highlighting and groups. Color Converter Convert HEX, RGB and HSL, and check contrast on white or black. Password Generator Strong random passwords with the options you need. Text Diff Checker Compare two texts and see added and removed lines.