MD5 Checker and SHA256 Hash Generator
Create hashes for text or files locally, then compare checksums before sharing, uploading, or documenting data.
How this tool helps
Hashes are helpful when you need a compact fingerprint for text or a file. Developers use them to compare releases, support teams use them to confirm that an attachment arrived unchanged, and writers sometimes use them when documenting exact source material. This tool calculates hashes in the browser and does not upload the selected file.
How to use it
- Choose whether you want to hash pasted text or a local file from your device.
- Select the algorithms you need; SHA-256 is usually the best default for modern verification.
- Generate the hashes and compare the exact characters, because one different byte produces a completely different result.
Why this is not an MD5 decryptor
This page can generate and compare MD5 hashes, but it cannot decrypt MD5 because a hash is one-way. If you searched for md5 to decrypt, the correct workflow is to compare a known input against a known hash, not reverse the hash into the original text.
Practical tips
- A hash is not encryption. Anyone with the original content can calculate the same digest.
- MD5 and SHA-1 are included for compatibility checks, but avoid relying on them for security-sensitive decisions.
- When checking a downloaded file, compare against a checksum published by the source rather than a value from an unrelated page.
FAQ
Can this hash large files?
The browser must read the file into memory, so very large files may be slow or fail on limited devices.
Why is there an MD5 option?
MD5 is still seen in older checksum workflows, even though stronger algorithms are preferred for trust-sensitive use.
Does hashing reveal my file?
The calculation happens locally here, but the resulting hash can still identify a known file in some contexts.