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The beautiful Thai language is spoken by over 50Mn people worldwide.

Now, whether you’re looking to extract text from handwritten Thai scripts or you’re working with Thai contractors, there are various ways in which you can extract Thai text from Thai documents using Thai OCR software.

Thai language
Thai language


When you examine a document with numeric data or text, you are eligible to read and comprehend what is in the scanned image. Nonetheless, to a computer, the occurring image file is just as irrelevant a variety of pixels as a landscape picture. To alter this data into an editable layout that you can copy, search through, and modify without retyping it, you will require Optical Character Recognition (OCR) software. For ensuring that your extracted text is accurate, you need to use OCR software which is trained for the languages properly.

In this article, we will look at Thai OCR software to convert Thai documents into editable text.

Let’s dig right in!

Top 9 Thai OCR Software in 2023


Nanonets OCR software
Nanonets OCR software

Nanonets is an advanced AI-based OCR software that can extract text from PDFs, images, and documents with 95%+ OCR precision for 200+ languages, including Thai. Using in-built advanced OCR API and automated workflows, you can utilize Nanonets to extract relevant Thai text from Thai documents like licenses, passports, invoices, receipts, bills, and other documents.

Nanonets can automate document processing stages like data capture, document upload, data matching, document approvals, document verification, and document archiving.

The no-code platform, modern user interface, and 5000+ integrations make Nanonets an outstanding choice as a Thai OCR software.

With 95% OCR precision, it tops most Thai OCR software in the market. Also, with its free and pay-as-you-go plans, you can begin using it immediately.

How to get started with Nanonets for Thai OCR?

To use Nanonets Thai OCR software, you need to follow the following steps:

  • Create your free account on Nanonets and log in.
  • Select the OCR model or create your custom model. Upload your documents on the software.
  • Select the document and drag and drop to select the text of your choice
  • Once you’ve selected all the text, you can download your text in the format of your choice.

Examples of Nanonets extracting Thai text

Here are some examples of the output of the Nanonets Thai OCR software.

  1. Sample Drivers License from Wikipedia

2. Sample Thai document by Wikipedia Commons

Pros of using Nanonets

  • Modern user interface
  • Simple and easy to use
  • No-code platform
  • 24x7 Customer Assistance
  • No hidden Cost - check pricing plans
  • Self-Learning - Accuracy enhanced over time
  • Pre-trained OCR models for receipts, invoices, Accounts payable, and more.
  • Build Custom AI models in <15 minutes
  • 5000+ integrations with API and Zapier
  • Cloud Hosting and On-premise Options
  • Powerful Annotation teams to code your models

Cons of using Nanonets

  • It cannot be utilized for the translation of the text
  • Table Extraction is not accessible in freemium
  • No mobile application

Get started with Nanonets' pre-trained Thai OCR models or build your own custom OCR models. You can also schedule a demo to get a free product tour!

AI for Thai

AI For Thai is an Artificial Intelligence service for users in Thailand. AI for Thai allows users to perform Basic NLP with the Thai language, character recognition, and extracting text from PDFs, images, and documents. AI for Thai also provides object identification, speech-to-text, face analysis, and chatbot services.

There are other use cases you could use AI for Thai but only if all your documents are in the Thai language!

Source :

Pros of AI for Thai

  • Error-free Processing
  • 24/7 Availability
  • Right Decision-making

Cons of AI for Thai

  • High Costs of Creation
  • Lacking Creativity
  • Increased Unemployment
  • No Human Replication
  • Lacking Improvement


Speechocean provides solutions for data collection, transcription, and data annotation to their customers. This involves several domains such as speech synthesis, speech recognition, lexicon, computer vision, and natural language processing.

We are actually interested in the computer vision section where we can use SpeechOcean to perform text and image annotation from various data sources like License plates, handwriting, and text.


Pros of SpeechOcean:

  • Expert OCR service providers
  • Wide Range of annotation services
  • Datasets for Translation

Cons of SpeechOcean:

  • No SaaS offering
  • No pricing plans provided
  • Might be a complex offering for freelancers and small businesses
  • No data on OCR accuracy

Get started with Nanonets. Extract data with 95%+ accuracy. Start your free trial today. No credit card is required.

Thai Image OCR Scanner Pro

Thai Image OCR Scanner Pro is an iOS OCR application for Thai images, documents, and videos. With Thai Image OCR Scanner Pro, you can annotate Thai images on the go.

Just upload images from your files or camera and the app will automatically extract the text from your documents. You can also modify the scanned images and export the extracted text in multiple formats.

Pros of Thai Image OCR Scanner Pro:

  • Extract texts from the image
  • Numerous export options
  • Lighting-fast scanning speed

Cons of Thai Image OCR Scanner Pro:

  • Not 100% accurate
  • It depends on the quality of the image
  • Need a lot of space for the image produced

Automate Thai document processing with Nanonets. Process 50k+ documents on 10x faster. Upload your documents now. No credit card is required.


Tesseract OCR can extract text from PDFs, documents, and images in multiple languages including Thai. Tesseract OCR is an open-source OCR library that can be used as an API by developers using an Apache license.

Given Tesseract OCR does not have a GUI, it would be difficult for noncoders to use it effectively.

Pros of using Tesseract OCR

  • Pay-as-you-go plans
  • Creating a training set is simple
  • Sponsors over 100 languages

Cons  of using Tesseract OCR

  • Not user-friendly
  • Does not have a graphic user interface
  • PDFs are not supported
  • Can not be trained as per need
  • OCR precision differs


i2OCR is a free online OCR (Optical Character Recognition) that takes Thai text from scanned documents and images so that it can be formatted, edited, searched, indexed, or translated.

Pros of using i2OCR

  • Unlimited uploads
  • No Registration
  • 100% Free

Cons of using i2OCR

  • Poor quality
  • 75% to 80% OCR precision
  • Inadequate formatting
  • Only enable text extraction from images
  • Long wait for the result

Automate Thai document processing with Nanonets. Process 50k+ documents on 10x faster. Upload your documents now. No credit card is required.


Convertio is a popular free online converter software. Convertio can extract text from documents and it works for multiple languages including Thai.

You can convert practically any file out there with the added convenience of working online.

Pros of Convertio

  • Built-in OCR tool
  • Security and privacy are guaranteed
  • Works on all platforms

Cons of Convertio

  • The free version limited to 100 MB
  • OCR function is not suitable for working with handwriting
  • The interface is simple and straightforward.
  • Conversion of a Pdf to Word is unpredictable for any product
  • PNGs with transparent settings do not work appropriately.


2OCR is an online OCR tool that extracts text from images and documents alike. The online OCR tool is free to use and can extract text in multiple languages.

Pros of 2ocr:

  • Data of OCR can be readable with a high degree of precision.
  • The processing of OCR data is rapid.
  • Advanced editions can even recreate columns, and tables, and even generate sites.

Cons of 2ocr:

  • OCR text works appropriately with the printed text only
  • There is the necessity of a lot of space needed by the picture produced.
  • The quality of the picture can be lost during this procedure.
  • Not 100% accurate

Need OCR software for image-to-text extraction or  PDF data extraction? Looking to convert PDF to the table or PDF to text?

Check out Nanonets in action! No credit card is required.


Simpleocr converts Thai documents into editable formats like text, excel, or csv.

SimpleOCR has a group of OCR professionals that can consult you for your OCR projects. Simple OCR runs on ABBYY OCR engines and SimpleOCR provides consultation for the same.  

Pros of Simpleocr:

  • Built-in OCR

Cons of Simpleocr:

  • There is no copy/paste option
  • SimpleOCR can only export the entire PDF as it is.
  • Even with the in-built OCR, this policy encounters some inconsistencies with handwriting.
  • Handwritten extraction has constraints and is only delivered as fourteen days of a free trial
  • Does not support columns and tables

Start using Nanonets for document automation. Try out the various OCR models or request a demo today. Find out how Nanonets' use cases can apply to your product.

Best Thai OCR Software out of the lot

The Thai language is unique in terms of the characters so you need to find Thai OCR software that interprets the characters properly. In our article, we listed 9 Thai OCR platforms you can use to extract text from Thai documents.

Looking at their pros and cons, here are our picks:

  • Best Thai OCR Software - Nanonets
  • Best Thai OCR phone application - Thai Image OCR Scanner Pro
  • Best Thai OCR Services - SpeechOcean

After carefully assessing all the prominent Thai OCR software choose the software that fits your requirements. Out of the above-mentioned Thai OCR Software, every software has its own pros and cons.  The precision of all the Thai OCR Software differs by document quality and the OCR models.


We hope that the illustration of this software can help you to make the proper judgment about which Thai OCR application to utilize.

Not sure how to find the best OCR software? Set up a call with our automation experts to see how Nanonets can help you save 80% costs & 90% time with no-code OCR workflows.

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7th January 2023: The blog was updated on 7th January 2023 with relevant, fresh content. The blog was originally published on 12 October 2022.