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File Hash Verifier

Calculate MD5/SHA1/SHA256 hash values for files and verify against expected hashes

Click to upload file or drag and drop file here

Maximum file size: 10MB Supported formats: */*

Key Facts

Category
Utilities
Input Types
file, select, text
Output Type
text
Sample Coverage
4
API Ready
Yes

Overview

The File Hash Verifier is a secure utility designed to calculate MD5, SHA1, and SHA256 checksums for any file, ensuring data integrity and verifying that your files have not been tampered with or corrupted during transfer.

When to Use

  • •Confirming that a downloaded software installer is authentic and unmodified.
  • •Verifying that a file was transferred or copied without data corruption.
  • •Checking if two files are identical by comparing their unique cryptographic signatures.

How It Works

  • •Upload the file you wish to analyze using the file selector.
  • •Select your preferred hashing algorithm (MD5, SHA1, or SHA256) from the dropdown menu.
  • •Optionally, paste the expected hash string into the verification field to automatically compare it against the calculated result.
  • •View the generated hash value and the verification status immediately on the screen.

Use Cases

Validating software downloads from official developer websites.
Ensuring the integrity of sensitive documents after cloud storage synchronization.
Detecting unauthorized modifications to system configuration files.

Examples

1. Verifying Software Authenticity

IT Administrator
Background
An administrator downloaded a critical security patch and needs to ensure the file is legitimate before deploying it to the network.
Problem
The administrator needs to confirm the downloaded file matches the official hash provided by the vendor.
How to Use
Upload the installer file, select SHA256, and paste the vendor-provided hash into the 'Expected Hash' field.
Outcome
The tool confirms the hashes match, verifying the file is safe to install.

2. Checking for File Corruption

Background
A user transferred a large archive file via an unstable network connection and suspects some data may have been lost.
Problem
The user needs to verify if the file on the destination drive is identical to the source file.
How to Use
Calculate the MD5 hash of both the source and destination files and compare the resulting strings.
Outcome
The hashes match, confirming the file transfer was successful and the data is intact.

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FAQ

What is a file hash?

A file hash is a unique string of characters generated by an algorithm that acts as a digital fingerprint for a specific file.

Which algorithm should I choose?

SHA256 is recommended for most modern security needs, while MD5 and SHA1 are often used for legacy compatibility or quick integrity checks.

Is my file uploaded to a server?

The file is processed to calculate the hash, but it is not stored or shared with third parties.

What happens if the hashes do not match?

A mismatch indicates that the file has been altered, corrupted, or is not the original version you intended to download.

Is there a file size limit?

Yes, the tool supports files up to 10MB for processing.

API Documentation

Request Endpoint

POST /en/api/tools/file-hash-verifier

Request Parameters

Parameter Name Type Required Description
file file (Upload required) Yes -
algorithm select No -
expectedHash text No -

File type parameters need to be uploaded first via POST /upload/file-hash-verifier to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
Text: Text

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-file-hash-verifier": {
      "name": "file-hash-verifier",
      "description": "Calculate MD5/SHA1/SHA256 hash values for files and verify against expected hashes",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=file-hash-verifier",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]