# Online OCR vs Desktop OCR for Law Firms

- Author: Schema Law (https://www.schemalaw.com/)
- Published: 2024-09-11T06:01:50Z
- Updated: 2026-10-11T19:22:20Z
- Category: Choosing legal OCR
- Canonical: https://www.schemalaw.com/blog/online-ocr-vs-desktop-ocr-for-law-firms

> Online OCR vs desktop OCR for law firms: what each one is, where each wins, what IT has to do, and a table for choosing by sensitivity and volume.

Law firms should use online OCR when several people need to convert scans without installing anything and the vendor's terms for client files hold up. Desktop OCR is the better choice when documents may not leave the firm's own computers, or when staff want redaction, Bates numbering and fine control in one program. Many firms keep both.

The decision is less about technology than about three plain questions: where may this document go, who needs to convert it, and what else has to happen to the file. The sections below take the two approaches in turn and finish with a table you can apply matter by matter.

Sort each file by who may see it before you pick a route. An engagement letter or a set of outside counsel guidelines may limit where client contracts and discovery can go. Read those terms with your duty of confidentiality in mind, then tell litigation support which sets stay on a firm computer and which may go to an approved browser tool.

## What is the difference between online and desktop OCR?

Desktop OCR is a program installed on your computer that reads a scan there. Online OCR is a website: you upload the scan in a browser, the vendor's computers read it, and you download the result. The recognition step is the same idea in both. What differs is where the file travels and who looks after the software.

Four things follow from that one difference.

- **Where the document goes.** With an installed program, the file stays on your machine or your firm's network unless you move it. With an online service, a copy goes to the vendor.
- **Who maintains the software.** You or your IT provider install and update a desktop program. The vendor updates an online service, and everyone gets the same version at once.
- **Who can use it.** A desktop program works on the computers where it is installed and licensed. An online service works wherever a person can sign in.
- **How it is charged.** Desktop software is usually licensed per person or per machine. Online services are more often priced by pages or by plan.

The line between the two is not always clean. Some products come in both forms. Adobe, for example, documents OCR inside its desktop application on the help page for [recognizing text in scanned documents](https://helpx.adobe.com/acrobat/desktop/create-documents/scan-documents-to-pdfs/recognize-text.html), and also offers a [free online OCR tool](https://www.adobe.com/acrobat/online/ocr-pdf.html) that runs in a browser. An installed program may also send pages to an online service for some features. Do not assume that "desktop" means "nothing leaves the building". Ask the vendor which features need a connection and what is sent when they run.

"Cloud OCR for lawyers" is the same thing as online OCR under another name. The label tells you where the work happens. It tells you nothing about how the vendor treats your files, which is the part you have to read for yourself.

## Do you need to install OCR software at all?

No. You can OCR documents in your browser with nothing installed. An online service needs a current browser, an internet connection and usually an account. Whether you should do it that way depends on the documents, not on any technical barrier.

Adobe's page for its [online OCR tool](https://www.adobe.com/acrobat/online/ocr-pdf.html) says as much: you can use it in any browser, such as Microsoft Edge or Google Chrome, with no additional software to install. Schema Law works the same way. You sign in with Google, upload a PDF, PNG or JPEG, and download the export. The homepage answers the question directly under [questions partners ask first](https://www.schemalaw.com/#questions): there is nothing to install, and nothing changes about how your firm stores its files.

Browser-only does not mean limitless. Check four things before you rely on any online tool for real work:

1. **Upload size.** Every service caps the file size. Schema Law accepts files up to 20 MB. A long color scan can exceed that and has to be split or rescanned in black and white.
2. **Pages per document and per month.** Plans set both. A free tier is often a few pages a day.
3. **Your connection.** Uploading a large file on a slow line takes time. That matters in a courthouse hallway or on a train.
4. **Your firm's policy.** Some firms block uploads to sites that have not been approved. Find out before you promise a result by five o'clock.

There is one case where you already have OCR and may not know it. Many office copiers and scanners can add a text layer as they scan. That is a third option, neither desktop nor online, and it costs nothing extra. It gives you a searchable PDF and little else. The post on [why you can't copy text from a PDF](https://www.schemalaw.com/blog/why-cant-i-copy-text-from-a-pdf) explains how to tell whether a scan already carries text.

## Where desktop OCR still wins

Desktop OCR wins when a document must stay on the firm's own equipment, when you need detailed control over recognition, when OCR is one step in wider PDF work, and when there is no connection to rely on. For some matters, any one of these settles the question.

**Documents that may not be uploaded.** A protective order, a client's outside counsel guidelines, or a government contract can forbid sending material to a third party. If the terms say the document stays on firm systems, an installed program that works locally is the straightforward way to comply. The post on [private OCR](https://www.schemalaw.com/blog/private-ocr) covers the options for keeping conversion in-house.

**Control over the page.** Desktop OCR suites tend to offer more hands-on tools. ABBYY's [feature list for FineReader PDF](https://pdf.abbyy.com/media/3denzynd/brochure-finereaderpdf-full-feature-list-en.pdf), for instance, describes adjusting recognition areas by hand, moving table separators and, in its Windows editions, a tool for verifying uncertain characters against the original. If your staff correct recognition at that level, a simple upload page will feel like a step back.

**OCR as part of PDF work.** Redaction, Bates numbering, page reordering and comparison usually live in desktop PDF software. When a production has to be recognized, redacted and stamped in one sitting, doing it all in one program avoids moving files between tools.

**Scanning straight into the program.** Installed software can drive a scanner directly. The same ABBYY document lists a built-in scanning interface. A browser tool starts from a file that already exists.

**Very large files and no connection.** A 900-page color scan can be opened from a local disk without an upload. A laptop with installed software keeps working where there is no network, provided the product itself does not need to go online. Confirm that with the vendor.

**Predictable cost at high volume.** A seat licence costs the same however many pages its holder converts by hand. For one person who converts thousands of pages a month, that can be the cheaper arrangement.

## Where browser-based OCR wins

Browser-based OCR wins on access and upkeep. Anyone at the firm can use it from any computer, nobody installs or updates anything, and the price follows the pages you convert instead of the number of machines. It also tends to offer export formats aimed at other systems.

**Everyone can use it.** The person who needs text from a scan is often not the person with the licensed software. With an online service, access is an account. Check how each service counts people, though. On Schema Law every account is for one person and carries its own plan, so the firm still decides who gets one.

**Mixed computers.** A Windows desktop in the office, a Mac at home and a borrowed laptop at a deposition all run a browser. Desktop products can differ by operating system. ABBYY's [comparison of FineReader PDF editions](https://pdf.abbyy.com/media/3denzynd/brochure-finereaderpdf-full-feature-list-en.pdf) shows a shorter set of features in its Mac edition than in its Windows editions.

**No installation and no version drift.** Nobody waits for IT. Nobody discovers that two colleagues are on different versions and getting different results from the same page.

**Shared work.** Some online services offer a workspace that holds a matter's documents where the team can reach them. Schema Law is not one of them: documents stay in the account that uploaded them, and no other account can see them. As with desktop software, sharing means saving the output to a network folder and telling people where it is.

**Exports for other systems.** Online converters often export formats that feed something else, such as CSV or JSON. Schema Law's are listed in the [export formats section](https://www.schemalaw.com/#formats) of the homepage.

**Paying for what you use.** A plan priced by pages suits a firm whose volume is spread thinly across many people. The post on [OCR cost per page](https://www.schemalaw.com/blog/ocr-cost-per-page) shows how to compare that with per-seat licences.

The cost of all this is the upload. A browser service receives your documents, so its terms carry the weight that your own network security carries for a desktop program. Schema Law publishes its [security commitments](https://www.schemalaw.com/#security) for every plan. Read the equivalent statements for any service you consider. If you cannot find them, treat that as an answer.

Be clear about what a browser tool leaves out. Schema Law has no desktop application, no offline mode, no redaction, no Bates stamping and no PDF editing. It converts. A firm that picks it still needs a PDF editor for the rest.

## IT, updates and remote staff

Desktop OCR puts the work on whoever manages the firm's computers: installing, licensing, patching and removing software. Online OCR moves most of that to the vendor and leaves the firm with accounts, access rules and browser policy. Remote staff tip the balance toward whichever option needs less hands-on support.

What each option asks of the person responsible for IT:

| Job | Desktop OCR | Online OCR |
| --- | --- | --- |
| Getting started | Install on each computer, activate licences | Create accounts |
| Updates | Download and apply, machine by machine or by deployment tool | Done by the vendor |
| New hire | Install and assign a licence | Add a user |
| Departure | Reclaim the licence, uninstall | Remove the user |
| New computer | Reinstall and reactivate | Sign in |
| Access from home | Needs the firm laptop, or remote access to an office machine | Any approved browser |
| Security review | The software and your own network | The vendor's terms and your own access rules |

For a firm with managed IT, the desktop column is routine. Vendors supply tools for it. ABBYY's [FineReader PDF feature list](https://pdf.abbyy.com/media/3denzynd/brochure-finereaderpdf-full-feature-list-en.pdf) mentions a licence manager and deployment through Active Directory or Microsoft SCCM. For a small office with no IT staff, every row in that column is a job for a lawyer or an office manager.

Remote and hybrid work raises three specific problems with desktop software:

- **The licence is on the office machine.** Someone at home either cannot convert a document or has to connect to their desk remotely.
- **Personal devices.** Installing firm-licensed software on a personal laptop creates a licensing question and a data question at once.
- **Support at a distance.** A failed installation at home is hard to fix over the phone.

Online tools create their own task, which is controlling who signs in and from where. Decide whether staff may use the service from personal devices and whether downloads to those devices are allowed. Larger firms often want sign-in tied to the firm's identity system, and should ask each vendor whether it supports that. Schema Law does not offer single sign-on. On every plan, sign-in is through a Google account, one person per account, so the firm's control over those Google accounts is the control over access.

Whichever you choose, write down the offboarding step. A departed employee who still has a working login to a document service is a worse problem than one who still has software on a returned laptop.

## Choosing by document sensitivity and volume

Choose by two questions asked of each kind of document: may it be sent to a vendor at all, and how many pages are there? The first is a matter of duty and agreement. The second is a matter of cost and convenience. Sensitivity overrides volume every time.

| Document type | Low volume (under about 1,000 pages a month) | High volume (thousands of pages a month) |
| --- | --- | --- |
| Public record: filed pleadings, recorded deeds, published opinions | Online is simplest | Online, uploading several files at a time, or desktop automation |
| Ordinary client files, with a vendor whose terms you have reviewed and accept | Online | Online on a plan sized to the volume, or desktop seats for heavy users |
| Client files where the engagement terms require approval for outside vendors | Desktop, or online after written approval | Desktop, or online after written approval |
| Material under a protective order or agreement that bars third-party processing | Desktop only | Desktop only |
| Anything you cannot classify | Desktop until someone decides | Desktop until someone decides |

How to use the table:

1. **Sort your intake into the rows.** Most firms find that the bulk of their scans sit in the first two.
2. **Estimate monthly pages for each row.** The split point of about 1,000 pages is a rule of thumb, not a threshold from any rule. Adjust it to your plans and prices.
3. **Check each online candidate's terms once.** Record what you found and the date. The post on [whether it is safe to upload client documents to an OCR tool](https://www.schemalaw.com/blog/is-it-safe-to-upload-client-documents-to-an-ocr-tool) lists what to look for.
4. **Write the result into your firm's policy.** One line per row is enough: this kind of document, this tool.

A worked example. A four-lawyer employment firm scans about 2,500 pages a month. Roughly 2,000 are personnel files and pay records from clients whose engagement letters permit vetted vendors. About 400 are filed documents from court dockets. About 100 are produced under a protective order that restricts access to counsel's own systems. The first two groups can go through an online service on a plan that covers 2,400 pages. The last group needs an installed program on a firm computer, used by one person. That firm needs both tools, and the table shows which document goes where.

Two mistakes are common. The first is choosing one tool for everything, which either blocks ordinary work with rules written for the most sensitive matter or lets restricted material slip into a tool it should never touch. The second is deciding on price before sensitivity. Start with what each document allows. The remaining choice is usually easy, and the guide to [choosing the best OCR for lawyers](https://www.schemalaw.com/blog/what-is-the-best-ocr-for-lawyers) gives the criteria for making it. If a desktop suite is on your shortlist, the post on [choosing an ABBYY FineReader alternative](https://www.schemalaw.com/blog/abbyy-finereader-alternative) describes what one offers.

## Try it on a real document

Upload a scanned PDF and export it as Word, a searchable PDF or plain text on the free plan. Your documents are never used to train an AI model. [Start free](https://www.schemalaw.com/api/auth/google)