Image OCR
Read Japanese and alphanumeric characters from images and convert them to text
Features
Processing within your browser without sending images
Even photos containing documents or personal information stay private
Supports Japanese and alphanumeric characters
Reads mixed kanji and kana text, automatically detects vertical writing
Three ways to input images
Supports file selection, drag & drop, and paste
Formatted results that you can edit
Removes unnecessary line breaks and spaces, supports copying and txt saving
How to Use
Input an image
Upload an image using file selection, drag & drop, or paste
Confirm text orientation
Auto-detection is default. Change orientation only if needed, and review formatting
Recognize text
Click "Recognize text" and wait for results to appear
Correct and export results
Fix any misrecognitions in the results field, then copy or download as txt
Use Cases
Keep text from documents
Save text from paper documents or mail by taking a photo and converting to editable text
Digitize whiteboard notes
Convert photos of classroom or meeting whiteboards into text notes
Extract text from screenshots
Convert text in screenshots to editable text that you can paste
Create quotes from vertical text pages
Convert photos of vertical pages from books or publications into quotable text
Knowledge Base
What is OCR?
OCR is a technology that reads the shape of characters in images and converts them to editable text data. Printed text is easier to recognize, but handwritten characters may have lower accuracy depending on how they are written.
Tips for photographing text for better recognition
Recognition accuracy is greatly affected by image brightness, angle, and resolution. Photos with small, blurry text or shadows will have more errors and garbled characters.
- Brightness：Take photos in bright light without shadows or glare, and ensure clear contrast between text and background to reduce errors.
- Angle：Photograph the document straight on so text lines are horizontal (or vertical for vertical text), ensuring stable line extraction.
- Resolution：Text that is too small is difficult to recognize, so move closer to preserve character details.
Security and Privacy
Runs entirely in your browser
Your input data is processed only within your browser and is never sent externally.
Processing only in your browser
Reading text from images is processed entirely within your browser, and input data is not sent to any server.
Communications encrypted with HTTPS
Page loading is also encrypted by TLS, and content cannot be read by third parties.
No transmission to third parties
Input content is not sent to external services such as ad networks or trackers.
Dictionary data download on first use
Dictionary data for character recognition is downloaded only on first use. Images and recognition results are never sent
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Updates
- update #375
Add image-to-text OCR: recognize Japanese and alphanumeric characters in photos within your browser and convert to text
Featured Tools
RAKKOTOOLS is free to use!
Available free of charge for individuals and corporations, commercial and non-commercial use alike.No prior permission or usage application is required. Feel free to use it in various situations.
Use in streaming and videos
Use various tools such as lottery draws and raffles in live streams and videos.
Use in schools, work, and events
Can be used in various situations such as classes, team division, internal work, and events.
Introduction on Web, books, and SNS
Feel free to introduce it as a useful tool on web media, books, SNS, and other platforms.
Commercial use
Can be used for commercial purposes such as research, calculation, processing, and conversion in business and production.
If you mention it, I get motivated to create more tools!
If using in streaming and videos
Link to RAKKOTOOLS in the description, or Mention or display that you are using RAKKOTOOLS in the stream or video.
Credit example for the description
Usage guidelinesYou are free to use it for normal purposes. However, use for purposes that violate laws, infringe on third-party rights, impose significant load on the service, or otherwise interfere with service operation is prohibited.
We do not guarantee the accuracy or completeness of information and calculation results obtained from each tool.
This notice is a translation of the original Japanese text. If there is any discrepancy between the translation and the original, the Japanese original takes precedence.