Convert image to text using free online OCR software轉換圖片文字使用免費的在線OCR軟件

Posted on June 28, 2009 at 5:52 am張貼於2009年6月28日在上午05時52分

Have a PDF document or an image that you would like to convert to text?有一個PDF文件或圖片，你想轉換成文字？ Now will everything being digital, you might end up getting a document from someone that is in TIFF or PDF format, but that you would have preferred in Word or Text format so you can edit it.現在一切都被數字化，你可能最終得到的文件是有人在TIFF或PDF格式，但你更希望在Word或文本格式，因此您可以編輯它。

Of course, you could always purchase OCR software, but here at OTT, we always try to find ways to do everything for free!當然，你總是可以購買OCR軟件，但在這裡立位耐力試驗，我們總是想方設法，盡一切免費！ That's where a free online OCR service comes in handy.這就是一個免費的在線服務來識別用場。

Free OCR免費的光學字符識別 is a nitfy little web service that everyone should bookmark because you never know when you'll need it.是一個nitfy小Web服務，每個人都應該書籤，因為你永遠不知道當你需要它。

Basically, you upload a PDF or image file (JPG, TIFF, BMP) from your computer and Free OCR will process the document/image within a few seconds and spit it back out in plain text format.基本上，您上載PDF或圖片檔案（ JPG格式，圖像）由您的計算機，並免費將進程光學字符識別的文件/圖像在幾秒鐘內吐出它在純文本格式。

The max file size is currently 2 MB.最大文件大小是目前2手機。 You don't have to do any pre-processing to your images except for making sure it is not skewed right or left.您不必做任何預先處理到您的圖像除了確保不偏向左邊或右邊。 If it is, go ahead and deskew it before uploading.如果是這樣，先deskew它上傳之前。

Also, if there is more than one column in your image, it will convert it all to one column.此外，如果有多於一個列在您的形象，將其轉換為一列所有。 However, they are creating a layout engine that will recognize more complex documents in the future.然而，他們正在創造一個佈局引擎，將認識到更複雜的文件，在將來。

The recommended DPI for the images is 150, but if you have a file that is a lower DPI, go ahead and try it anyway to see if it works.建議新聞部的圖像是150 ，但如果你有一個文件，是一個較低的新聞部，繼續進行並嘗試反正，看它是否工作。

The only major limitation right now is that it can convert only the first page of a PDF document and that's it!唯一的主要限制現在的問題是，它只能轉換的第一頁，一個PDF文件，並就大功告成了！ So if you have more than one page, you'll only get the first page.所以，如果你有一個以上的網頁，您只會得到的第一頁。 In the future, you will be able to process up to 10 pages.今後，您將可處理多達10頁。

The cool feature, though, is that it also support six languages including German, French, Italian, Dutch and Spanish.涼爽的功能，但是，它也支持六種語言，包括德語，法語，意大利語，荷蘭語和西班牙語。

Overall, the OCR results were very good on cleanly printed PDF and image files.總體而言，光學字符識別結果是非常好的清潔印刷PDF和圖像文件。 Obviously, if I tried a lower resolution scanned document, it didn't catch everything, but still the results were impressive for a free online service!顯然，如果我試圖較低的分辨率掃描的文檔，但它並沒有趕上一切，但結果仍然令人印象深刻的一個免費的在線服務！

Give it a shot and see how it works for you.給它一個開槍看看它是如何工作的你。 Overall, it's a really useful tool if you ever need a free online OCR service for something simple.總的來說，這是一個真正有用的工具，如果您需要一個免費的在線服務，識別簡單。 Enjoy!享受！ {via （通過 gHacks gHacks } ）

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