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PS Hash can calculate hashes for individual files or batches, save the results in a persistent log or clipboard, and create checksum lists such as .md5, .sha1, .sha256 and .sha512. To generate one, open the portable Windows program, add files with Open or Select file(s) (or select them in Processes), calculate the algorithm you need, then use Verify to create the checksum file. To check a download, calculate the same algorithm for your copy and compare the complete result with the value published by the software producer.
What is PS Hash, and what is a checksum file?
PS Hash is described as a portable Windows utility for calculating file hashes, comparing files, and generating or verifying checksum files. “Portable” means the program is intended to run without a conventional installation; the available listings also describe it as requiring no additional runtime libraries. You can keep the program with your other maintenance tools and open it when you need to check a file.
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A hash is a fixed-length value calculated from a file’s contents. A checksum file is a text list that records one or more filenames together with their calculated values. Someone downloading the file can calculate a value locally and compare it with the published list. The comparison is useful only when you use the same algorithm and check the intended filename.
OlderGeeks (2020) and MajorGeeks (2021) listings report support for about 30 hashing algorithms. They also describe checksum-list formats including SFV, MD5, SHA-1, SHA-256 and SHA-512, plus logging, file/hash comparison, optional shell integration and command-line automation. Those listings identify Jacek Pazera as the developer.
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What should you check before opening PS Hash?
Download the portable program from a source you trust and keep the executable in a location where you can identify the version you are using. The newest dated material in the available descriptions is an update dated June 27, 2024, while the detailed feature listings refer to 2020 and 2021 versions. Because the exact current release, Windows compatibility and current download location are not established by those descriptions, verify those details on the publisher’s current page before relying on the tool for a production workflow.
- Have the file or files you want to hash available locally. Hashing a file you cannot read will not produce a usable result.
- Know which algorithm the recipient, software publisher or archive instructions specify. A SHA-256 value cannot be compared with an MD5 value as if they were interchangeable.
- Decide whether you need a single copied hash, a reusable checksum list, or a verification pass against an existing list.
How do I calculate a file hash in PS Hash?
Use the main file view when you want to inspect one file or a hand-picked group. The following sequence covers the normal calculation workflow.
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- Add the input. Choose Open or Select file(s), then browse to the file or select several files. If you are already working in the process-oriented view, select the files there and choose Calculate selected hash file.
- Start the calculation. Request the hash algorithms required by your use case. If a publisher specifies SHA-256, calculate SHA-256 rather than substituting another algorithm.
- Read the result. PS Hash displays the calculated values for the selected files. Check that the filename shown in the result is the file you intended to process.
- Save the value for later use. Copy the hash to the clipboard or retain it in the program’s persistent log. Copy the full value without omitting characters or changing the filename beside it.
Calculating several algorithms in one pass is useful when a publisher supplies more than one published value. Keep each value labelled with its algorithm; an unlabeled string is easy to misapply later.
How do I generate an MD5, SHA-256 or other checksum file?
Use the Verify module when you need a file that can be distributed or used for a later verification run. The module can generate checksum files for selected files and directories.
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- Prepare the selection. Add the files you want included, or select the relevant files and directories in the available file or process view.
- Open Verify. Go to the verification functions rather than relying only on the values shown in the calculation view.
- Choose generation. Select the option to generate a checksum list for the current selection.
- Choose the format and algorithm. Use the extension and algorithm expected by the person who will consume the list. Common formats reported for PS Hash are shown below.
- Choose the destination. Save the generated list beside the files or in the delivery folder you use for publishing. Give the list a filename that makes its algorithm clear, such as a name ending in
.sha256. - Inspect the output. Open the resulting text file and confirm that every intended filename appears with a corresponding value before you distribute it.
| Checksum-file format | What the listings report | Typical use in this workflow |
|---|---|---|
.sfv |
Supported checksum-file format | Use when the receiving workflow specifically requests an SFV list. |
.md5 |
Supported checksum-file format | Generate when the publisher supplies an MD5 value or requests an MD5 list. |
.sha1 |
Supported checksum-file format | Generate when the matching SHA-1 list is required. |
.sha256 |
Supported checksum-file format | Use for a workflow that publishes or consumes SHA-256 values. |
.sha512 |
Supported checksum-file format | Use when the supplied reference uses SHA-512. |
The extension is not a substitute for selecting the matching algorithm. Confirm both the format and the algorithm before saving, especially when a folder contains several lists.
How can I verify a downloaded file against a published checksum?
The reliable comparison is a same-algorithm, same-file check. You calculate a value from the copy you downloaded and compare it with the value published by the software producer, or you run PS Hash’s verification function against a prepared checksum list.
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- Record the publisher’s algorithm and the exact filename associated with the value.
- Open PS Hash and add your downloaded file with Open or Select file(s).
- Calculate the algorithm named by the publisher.
- Compare the complete displayed value with the published value. Treat any difference as a failed match and do not proceed as if the files were identical.
- If the value does not match, check that you selected the intended download and algorithm, then obtain a fresh copy from the publisher and calculate it again.
When the publisher supplies a checksum list
- Place the downloaded files and the checksum list where PS Hash can read them.
- Open Verify and choose the function for checking a checksum list.
- Select the supplied list, such as an
.md5or.sha256file. - Run verification against the listed filenames. The tool compares the values in the list with values calculated from your local files.
- Review the result for every entry, not just the first file. A list can contain both matching and non-matching items.
A mismatch establishes that the value calculated from your local file differs from the reference value. It does not, by itself, identify whether the cause was an incomplete download, a different file with a similar name, a changed upstream file or a selection mistake. Preserve the original list and record which local file was checked so the result can be investigated.
Which algorithms and checksum formats does PS Hash support?
The available software listings describe approximately 30 hashing algorithms. They do not provide a complete, current algorithm matrix in the material available here, so do not assume that a particular algorithm or an obscure legacy format is present until the build you are using shows it.
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| Requirement | What is established | How to handle it |
|---|---|---|
| Many algorithm choices | About 30 algorithms are reported by OlderGeeks (2020) and MajorGeeks (2021). | Use the algorithm named by your publisher or receiving workflow. |
| Common checksum lists | SFV, MD5, SHA-1, SHA-256 and SHA-512 formats are listed. | Choose the matching list format in Verify. |
| Current exact coverage | Not established for the current release. | Check the algorithm and format menus in the version you have. |
The descriptions do not provide current standards-based guidance about which algorithm is appropriate for a security-sensitive integrity decision. For that reason, follow the algorithm specified by the file publisher, project documentation or your organization’s procedure instead of treating the approximate algorithm count as a recommendation.
What other tools are included besides checksum generation?
PS Hash is more than a one-time hash calculator. The listed features can support a repeatable file-management workflow.
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- Persistent log: Keep calculated values in the application’s log so you can refer back to earlier calculations instead of copying each value into a separate note.
- File and hash comparison: Compare files or compare calculated values when investigating whether two copies correspond.
- Checksum-list verification: Test a prepared list against local files through Verify, rather than manually comparing every line.
- Shell or context-menu integration: The listings describe optional integration with the Windows shell. If enabled in your build, this can make a file available to PS Hash from its normal Explorer context menu.
- Command-line automation: The listings also describe command-line support. Use it for repeatable jobs only after checking the switches and syntax exposed by your installed version; the available descriptions do not establish a current command reference.
No independent benchmark is provided for calculation speed, and the feature descriptions do not establish a current performance advantage over other hashing tools. Choose PS Hash for the workflow features you need rather than for an unverified speed claim.
What should I do when a checksum workflow fails?
| Symptom | Likely check | Recovery |
|---|---|---|
| No value appears | The file may not have been added, or calculation may not have been started. | Re-add it with Open or Select file(s), or select it in Processes and use Calculate selected hash file. |
| The value does not match the published one | The algorithm, filename or local copy may differ from the reference. | Confirm the algorithm and selected file, then obtain a fresh copy and calculate again. |
| The generated list has the wrong extension | The Verify generation format may not match the requested list type. | Generate a new list using the required format, such as .sha256 instead of .md5. |
| Some entries verify and others do not | At least one listed file differs, is missing or was selected from a different location. | Review each filename in the verification result and correct the local selection before rerunning the check. |
| A shell or command-line workflow does not work | Integration may be disabled, or the syntax may differ in your build. | Use the graphical file-selection workflow first, then consult the documentation that accompanies the exact version for integration settings or command switches. |
What are the limits of the available PS Hash information?
The detailed descriptions are dated 2020 and 2021, with a newer dated update on June 27, 2024. They establish the portable design, approximate algorithm count, checksum formats and workflow features, but they do not establish the exact current release number, supported Windows editions, current download URL or a complete list of command-line switches. Those details can change, so check the current publisher information and the menus in your copy before documenting a standardized procedure.
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Likewise, the available material contains no independent performance statistics and no attributable quotation from a vendor, standards body or regulator. A sound procedure therefore records the algorithm and file names explicitly, verifies the generated list before distribution, and avoids claiming more certainty than the comparison actually provides.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What is a practical repeatable workflow?
For a release, backup set or shared download, use the same sequence every time:
- Collect the final files and decide which algorithm the receiving audience expects.
- Add the files in PS Hash and calculate the required values.
- Review the values and retain them in the persistent log or clipboard.
- Open Verify and generate the matching checksum-list format.
- Open the saved list to confirm its filenames and values.
- Publish the list with the files, clearly labelling the algorithm.
- For a later check, calculate the same algorithm on the recipient’s copy or run Verify against the list.
This process separates calculation from distribution and verification. It also leaves a record of which files were included, which matters when a folder is updated and an older checksum list is still present.
Frequently Asked Questions
Can PS Hash generate a checksum list for an entire folder?
Yes. The available descriptions say the Verify module can generate checksum files for selected files and directories. Select the directory or its intended contents, then inspect the generated list so you know exactly which filenames were included.
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What does a checksum mismatch prove?
It proves that the value calculated from your local file is different from the reference value. It does not explain the cause, so check the algorithm, filename and download copy before drawing a conclusion.
Can I automate PS Hash checks from a script?
The software listings describe command-line automation, but they do not establish a current switch list. Check the documentation for the exact build you use, and validate one manual run before scheduling a recurring command.
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Make the algorithm and the covered filenames obvious in the surrounding release notes or directory structure. A recipient should be able to tell whether a list is MD5, SHA-256 or another format without guessing from an unlabeled string.
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