10 Greatest APIs For OCR In 2022

Conventional scanning and processing paperwork like receipts, pictures, and invoices for necessary information at all times finish with errors and delays. 

Optical Character Recognition (OCR) software program allows the digitization of important information that’s included in paper paperwork and pictures. 

Utilizing API for OCR software program helps companies save time and sources. Current information exhibits that extra organizations are going paperless and leveraging cloud-based digital OCR API options to enhance backside traces.

The API for OCR functions can seize textual content from PDFs and pictures and convert them into editable codecs like Phrase, Excel, or plain textual content. Nonetheless, just remember to use the suitable OCR API in your wants earlier than scanning your information.

What’s the relevant discipline for API for OCR?

OCR is a useful expertise for builders of all functions, together with healthcare, banking, accounting, eCommerce and retail, legislation, figuring out automobiles, and dozens of different makes use of. 

As well as, you’ll be able to combine OCR providers with functions utilizing Utility Programming Interface APIs.

The article will offer you the highest ten OCR API obtainable in 2022.

Open Supply Vs API

You could have two choices while you want an OCR engine:

Open supply API: There are dozens of open supply API engines obtainable, however they’ve a number of drawbacks. For instance, they’re difficult to arrange and never user-friendly. Furthermore, to run an open supply engine, you want an inside server, and the most important disadvantage is that the AI library requires information science experience.

Cloud supplier API: you need to use engines from a cloud supplier like AWS, Google Cloud, Microsoft Azure, Alibaba Cloud, or IBM Watson to offer a number of AI engines, together with OCR. The engine is ready-to-use and really simple as a result of you’ll be able to keep in a identified surroundings the place you may need skills in your organization.

Why is Filestack API for OCR thought-about the most effective in its class?

Initially, Filestack OCR API was developed for builders; it expanded quickly and now affords a variety of advantages. Utilizing Filestack’s OCR product line, customers can absolutely scale their content material efforts utilizing a single API, because of picture intelligence performance. 

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By including simply two traces of code, you’ll be able to notably increase the efficacy of any uploaded file.

Irrespective of the use case state of affairs, customers could use the Filestack workflow capabilities to streamline content material duties inside an easy-to-use UI. 

Weaponizing with best-in-class capabilities utilized by trade leaders, Filestack follows the identical pattern to investigate pictures rapidly and ship worthwhile insights. Moreover easy object identification, it has copyright and object detection capabilities and specific content material detection.

Resulting from repeatedly shifting community situations, it comes with a really responsive Content material Ingestion Community (CIN) as a precaution. The end result you could find is extra trusted and secure with the three-fold sooner add.

Key Options

    • Intensive characteristic set
    • Exhibits accelerated efficiency
    • Safe
    • Devoted embedded file viewer
    • Wide selection of help for all correct information sources


    • Filestack gives elevated information assortment effectivity
    • Virtually error-free
    • Rework information successfully
    • Drag and drop add help
    • Problem-free real-time picture and video add together with your system’s digicam
    • Helps multi-part uploaders for extra effectively optimized uploads


    • It wants a subscription and prices some cash

You’ll be able to simply combine Filestack API for OCR right here.

How good is ABBYY’s FineReader as an API for OCR?

ABBYY FineReader is an AI-based OCR expertise that may acknowledge textual content in additional than 198 languages. It is a perfect resolution for reworking PDFs worldwide. 

Moreover changing PDFs merely, it additionally simplifies your life with numerous clever options—for instance, scanned PDFs, PDFs with pictures, and password-protected PDFs.

It has options that work on Home windows, Android, iOS, and Mac. Due to this fact, ABBYY ensures excessive accuracy requirements whereas preserving wireframes for simpler enhancing.

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    • OCR editor with keyboard help for guide corrections
    • Excellent clear interface
    • Exports in quite a lot of codecs
    • Paperwork comparability characteristic
    • No crucial studying curve


    • UI appears complicated at first
    • Costly
    • Lacks full-text indexing for fast searches
    • Can’t study the doc’s revision historical past
    • No file combining characteristic
    • The massive recordsdata are sometimes slowly processed

IBM Datacap, can it stand as a great OCR API?

Datacap extracts worthwhile information from company papers by automating the gathering, identification, and classification of these paperwork. 

Datacap affords a strong OCR engine, a number of options, and programmable guidelines. It’s suitable with fax, multiplication peripherals, cell units, scanners, and channels.

Key Options

    • Possess superior doc seize characteristic
    • Function-based redaction
    • AI-based clever processing
    • Can export to different targets
    • Extremely adaptable rules-based seize


    • Configures subtle information assortment functions
    • Mechanism for scanning
    • Simple to make use of


    • Troublesome to arrange
    • Very sluggish
    • Virtually no on-line help
    • UI isn’t user-friendly
    • A custom-made stream is troublesome to create
    • Batch commitments require time

Adobe Acrobat DC: An OCR resolution?

Adobe gives a complete PDF editor with built-in OCR performance. Its professional options are simple to make use of and suitable with a variety of performance.


    • Expensive
    • Not an unique OCR software program
    • Occupies a number of area on the arduous disk
    • It doesn’t combine with user-friendly providers like Sharepoint or Dropbox
    • License required

Why is Klippa not an ideal API for OCR options?

Klippa is a dependable however not excellent information extraction resolution to digitize paper paperwork in your group by automated doc administration, processing, and classification.


    • Nice API for builders
    • Simple setup
    • Devoted help
    • Vast API documentation
    • Expensive


    • OCR recognition ought to be higher
    • Bulk changes not supported
    • App crashes usually
    • Restricted template customizations
    • Restricted white-label customizations
    • The VAT is often not displayed appropriately
    • Can’t prepare the OCR mannequin
    • The choice course of isn’t easy, as there are a number of choices
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What is nice with Free OCR API?

The Free OCR API grabs pictures and multi-page PDF paperwork (PDF OCR) and returns extracted textual content in JSON format. 

You should utilize this API from any internet-connected system, together with Android and iOS cell units and IoT units.

How good is Cloudmersive OCR API?

Cloudmersive comes with scalable laptop imaginative and prescient and pure language APIs. The Cloudmersive OCR permits customers to transform scanned pictures of pages into acknowledged textual content. 

The API fused with Machine Studying to mechanically pre-process and acknowledge the textual content throughout over 90 languages. Options like unskew and rotated pictures can mechanically section paperwork and receipts out of pictures.

Is Mathpix API good?

The Mathpix API allows customers to resolve mathematical equations through OCR expertise. With this API, builders can implement:

    • Picture processing
    • Programs of equations
    • Matrices
    • Lengthy divisions
    • Downside numbers
    • Graphs
    • Geometry diagrams.

This API helps scientific notation in chemistry, math, physics, laptop science, economics, and different STEM topics.

How good is CAPTCHAS.io API?

Being an automatic captcha recognition service, CAPTCHAs.IO API helps greater than 30,000 pictures, audio captchas, and reCAPTCHA, together with invisible reCAPTCHA. 

It may well present RESTful entry to all the captcha-solving strategies. Builders can select to get API responses in both JSON or plain textual content.

Why Tesseract OCR?

Tesseract OCR API is without doubt one of the most well-known optical character recognition platforms. It’s primarily engaged in Google’s spam detection performance. 

It may well determine over 100 languages, so builders can train the answer to different languages as wanted. Moreover, you need to use it for video and nonetheless pictures. It additionally has appreciable documentation obtainable and an energetic neighborhood. It’s higher for paper paperwork, however not in all instances.