Text Hash Compare

Hash two texts and compare them side by side. Instant visual match/mismatch indicator using SHA-256, SHA-512, or SHA-1.

Last reviewed: April 2026

Reviewed by Shannon Patterson, software engineer · last updated April 2026

New to this tool? Click here for instructions

Text A

Text B

- Waiting for input -

SHA-256 of Text A

SHA-256 of Text B

Paste text into both fields to compare their hashes.

How to Use Text Hash Compare

To use Text Hash Compare, follow these steps:

1. Choose an algorithm from the dropdown menu (SHA-256, SHA-512, SHA-1, or All to compare all three).

2. Paste the first text into the left text area (Text A).

3. Paste the second text into the right text area (Text B).

4. The result will be displayed immediately. A green badge indicates that the hashes match; a red badge indicates a mismatch.

5. If the hashes differ, differing characters in the hash will be highlighted in red.

When to Use Text Hash Compare

Text Hash Compare is ideal for the following scenarios:

1. Verifying the integrity of configuration files between servers.

2. Confirming that an API response has not changed.

3. Comparing two versions of a private key or certificate.

4. Verifying the authenticity of software downloads using SHA-256 checksums.

5. Detecting unexpected changes to build artifacts in CI/CD pipelines.

How It Works

Text Hash Compare uses cryptographic hash functions to generate a fixed-length output (hash) for any input text. The most commonly used algorithms are SHA-256, SHA-512, and SHA-1.

The tool sends the input text and selected algorithm to the Web Crypto API, which performs the hashing operation on the client side. This ensures that no data is sent to a server, maintaining privacy and security.

The resulting hash is then displayed, and a visual indicator (green or red badge) is shown to indicate whether the hashes match or differ.

Tips, Edge Cases, or Limitations

Here are some tips and considerations when using Text Hash Compare:

1. Be aware of potential issues with text formatting, such as trailing newlines, line endings, and Unicode normalization.

2. For binary files, use a dedicated tool designed for hashing and comparing binary data.

3. Always verify the integrity of downloaded files using SHA-256 checksums provided by the software distributor.

4. When debugging hash mismatches, use a hex editor or the Diff Checker to find the exact differences between the texts.

Frequently Asked Questions

SHA-256 is a cryptographic hash function that takes any input and produces a 64-character hexadecimal string. It is part of the SHA-2 family and is widely used for security applications.

No, your text is not sent to a server. The hashing operation is performed entirely on the client side using the Web Crypto API, ensuring privacy and security.

SHA-256 is generally recommended for most security applications due to its balance between security and performance. SHA-512 offers a larger security margin for large inputs.

Two texts that look identical may produce different hashes due to differences in formatting, such as trailing newlines, line endings, or Unicode normalization.

Yes, you can use this tool to verify the integrity of a file download by comparing the hash of the downloaded file with the expected hash provided by the software distributor.