Text annotation for Human

Just create project, upload data and start annotation. You can build dataset in hours.

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Description

Document Classification

Document annotation for any document classification tasks.


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Description

Sequence Labeling

A super easy interface to tag for named entity recognition, part-of-speech tagging, semantic role labeling.


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Description

Sequence to Sequence

A super easy interface to label for any sequence to sequence tasks.


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Team Collaboration

Invite other users to help you annotate text and create an annotated corpus. You only have to create a guideline and upload text data. Team collaboration can accelate annotation process.

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Language independent

doccano is independent on any languages. You can annotate texts regardless of your languages. You can quickly start annotating text.

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Auto labeling

Auto labeling is one of the most powerful tools in creating annotated corpora. Machine learning model automatically annotates texts. You're only required to correct a few error annotations.