MD5 & SHA-256 Checksum Generator

Generate MD5 and SHA-256 checksums, compare published digests, and verify download integrity. ComUtil also calculates SHA-1, SHA-384, and SHA-512 when a release page or manifest still requires them.

Input to Check
Clear
Privacy and Sharing
Server processing Checksum generation submits the pasted text to ComUtil for server-side processing before verification results render.
Sensitive input If the input is sensitive, start with a browser-local tool or redact first, then move into a server-handled or lookup workflow only when it is necessary.
Checksum verified 74 chars · 74 bytes

The input matches the pasted SHA-256 checksum.

Published checksum e39655c46d79e79be0557f1b4a45095cf8e1d5b06cfd8b8f63a642f8efc5f58e
Generated Checksums
MD5
32 hex chars. Legacy integrity checks only.
Legacy
c4f647657f2d132180528b4e347cb3ff
Older mirror pages and non-security file fingerprints.
SHA-1
40 hex chars. Legacy integrity checks only.
Legacy
95433ab7ea2cc9869e7c7dbb9be85b624752af22
Legacy release notes and historical compatibility checks.
SHA-256
64 hex chars. Recommended for modern checksum verification.
Matched
e39655c46d79e79be0557f1b4a45095cf8e1d5b06cfd8b8f63a642f8efc5f58e
Most download pages, package registries, and CI artifacts.
SHA-384
96 hex chars. Good for long-lived archives.
Available
b50ec2b1f8218298bc8733359a2f250d4d6ee1e61012e938f175737f5d375cb2cc8df2228b57cfb22e271e97ab38e2f6
Longer SHA-2 digests when you want more headroom than SHA-256.
SHA-512
128 hex chars. Useful for manifests and backup exports.
Available
d45b3008be68c935ab3d206ff2ab3229940d5aa68ab53c27db34eebbab0647a521d2101638d593fedd6b183b85cbd20e7c6f92ca154ad79bd405ade82eaf9717
Large backup manifests, signed exports, and high-entropy digests.
What is a Hash Function?

A cryptographic hash function is a mathematical algorithm that converts input data of any size into a fixed-size output (hash value or digest). Key properties include: deterministic (same input always produces same output), quick to compute, infeasible to reverse, and small changes in input produce drastically different outputs (avalanche effect).

How Hashing Works

Hash functions process input data through complex mathematical operations. The input is divided into blocks, and each block is processed through multiple rounds of transformations. The final result is a fixed-length string that uniquely represents the original data. Even a single bit change in the input creates a completely different hash.

Common Use Cases
  • Verifying file integrity after downloads
  • Comparing published checksums before running downloads
  • Digital signatures and certificates
  • Blockchain and cryptocurrency
  • Data deduplication and comparison
Supported Algorithms
MD5 128-bit hash, fast but not collision-resistant. Use for checksums only.
SHA-1 160-bit hash, deprecated for security. Used in legacy systems.
SHA-256 256-bit hash, widely used for integrity verification. Part of SHA-2 family.
SHA-384 384-bit hash, longer SHA-2 option for archives and signed bundles.
SHA-512 512-bit hash, long digest for manifests and backup exports.
Frequently Asked Questions

Is MD5 still safe to use?

MD5 is not recommended for security purposes due to known collision vulnerabilities. However, it's still acceptable for non-security uses like checksums for file integrity verification.

Can a hash be reversed to get the original data?

No. Cryptographic hash functions are one-way digests, so you cannot recover the original input from the checksum. Use hash values to compare files, manifests, or releases for integrity verification.