# Checksum Comparator Compare two checksums/hash values to check if they match > Canonical page: https://elysiatools.com/en/tools/checksum-comparator - **Category:** Utilities - **Keywords:** checksum, hash, compare, verify, md5, sha1, sha256, integrity, match ## Overview The Checksum Comparator is a reliable utility designed to verify data integrity by comparing two hash strings, such as MD5, SHA1, or SHA256, to determine if they match. ## Inputs - **First Checksum** (text): e.g., 5e884898da28047151d0e56f8dc6292773603d0d6aabbdd - **Second Checksum** (text): e.g., 5e884898da28047151d0e56f8dc6292773603d0d6aabbdd ## When to use - Verifying that a downloaded file matches the original source without corruption. - Confirming that a copied string or password hash remains identical after transmission. - Checking if two generated hash values represent the same data content. ## How it works - Paste the first hash value into the 'First Checksum' field. - Paste the second hash value into the 'Second Checksum' field. - Click the compare button to instantly see if the two values are identical. ## Use cases - Validating software installer integrity after a download. - Ensuring database password hashes match during migration. - Verifying secure file transfers between servers. ## Frequently asked questions ### Does this tool support all hash types? Yes, the tool performs a string-based comparison, so it works with any hash format including MD5, SHA1, SHA256, and SHA512. ### Is the comparison case-sensitive? Yes, the tool performs an exact character-by-character comparison, so ensure the casing matches your source. ### Can I compare files directly? No, this tool compares text-based hash strings. You must first generate the hash of your files using a separate utility. ### Is my data sent to a server? The comparison is performed locally in your browser, ensuring your hash values remain private. ### What happens if the hashes don't match? The tool will indicate that the values are different, which typically suggests the file is corrupted or has been altered. ## Related tools - [File Hash Verifier](https://elysiatools.com/en/tools/file-hash-verifier): Calculate MD5/SHA1/SHA256 hash values for files and verify against expected hashes - [Hash Algorithm Comparator](https://elysiatools.com/en/tools/hash-algorithm-comparator): Hash the same input with MD5, SHA-1, SHA-256, SHA-512, BLAKE2b, and BLAKE3 at the same time and compare them side by side: output length, hex/Base64 digest, security status (broken / modern), and a relative speed benchmark. Great for teaching, choosing a hashing algorithm, or sanity-checking checksums. - [Hash Generator](https://elysiatools.com/en/tools/hash-generator): Generate hash values (MD5, SHA1, SHA256, SHA512) - [Audio Hash](https://elysiatools.com/en/tools/audio-hash): Generate cryptographic hashes (checksums) for audio files - [Text Hash Generator](https://elysiatools.com/en/tools/text-hash-generator): Compute MD5, SHA-1, SHA-256, SHA-512, and CRC-32 hashes of any text in one shot. Get both hex and Base64 digests over the UTF-8 encoding. - [Thyroid Index (TSH/FT4/FT3 Interpretation)](https://elysiatools.com/en/tools/thyroid-index): Interpret the thyroid axis by pattern-reading TSH with FT4 and (optionally) FT3. Adult reference ranges: TSH 0.4–4.0 mIU/L, FT4 0.8–1.8 ng/dL (≈10–23 pmol/L), FT3 2.3–4.2 pg/mL (≈3.5–6.5 pmol/L). High TSH + low FT4 → overt primary hypothyroidism; high TSH + normal FT4 → subclinical hypothyroidism; low TSH + high FT4/FT3 → overt primary hyperthyroidism; low TSH + normal FT4 → subclinical hyperthyroidism, exogenous hormone, or resolving thyroiditis (check FT3 for T3 toxicosis); low/normal TSH + low FT4 → central hypothyroidism; high TSH + high FT4 → TSH-secreting adenoma or thyroid hormone resistance. Low FT3 with normal TSH/FT4 indicates low-T3 (non-thyroidal illness) syndrome. Units selectable for TSH, FT4, FT3. Derived from ATA 2014/2016, NACB 2002, Garber 2012, and MDCalc. Not medical advice. - [CSV to Markdown](https://elysiatools.com/en/tools/csv-to-markdown): Convert CSV data to Markdown table format - [Excel to Markdown Converter](https://elysiatools.com/en/tools/excel-to-markdown): Convert Excel file to Markdown table format, extracting data from the first worksheet ## Samples - [Web Image Processing Python Samples](https://elysiatools.com/en/samples/web-image-processing-python): Web Python image processing examples using PIL/Pillow including reading, saving, resizing, and format conversion - [Android Image Processing Java Samples](https://elysiatools.com/en/samples/android-image-processing-java): Android Java image processing examples including reading/saving images, scaling, and format conversion - [Android Image Processing Kotlin Samples](https://elysiatools.com/en/samples/android-image-processing-kotlin): Android Kotlin image processing examples including reading/saving images, scaling, and format conversion - [Web Image Processing Rust Samples](https://elysiatools.com/en/samples/web-image-processing-rust): Web Rust image processing examples including image read/save, scaling, and format conversion ## Related content - [PDF Signature Verification and File Integrity Evidence](https://elysiatools.com/en/hubs/pdf-signature-verification-workflows): Preserve the original PDF hash, compare it with a trusted reference checksum, verify embedded signatures, and record certificate-chain findings without treating tool output as legal validity or proof of signer identity. - [Detached Signature and File Integrity Verification](https://elysiatools.com/en/hubs/detached-signature-and-file-integrity-verification): Generate or reproduce a file hash, compare it with a published checksum, and verify a detached Ed25519 signature with a separately trusted public key. - [File and Data Diff Comparison Tools](https://elysiatools.com/en/hubs/file-data-diff-comparison-tools): Compare two candidate artifacts, choose the right diff path for the format, review structural or semantic changes, and finish with integrity checks when approval needs byte-level certainty.