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11 best JavaScript Data Labelling libraries in 2025

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by naveen.kumar@openweaver.com dot icon Updated: Mar 9, 2023

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With Annotation libraries, you can easily annotate (categorize, label, tag) large number of images or videos using machine learning. This is useful if you need to teach your computer how to automatically recognize certain objects in your images. The resulting model can be used for a variety of purposes like image filtering, object detection and recognition. All the annotations are stored in convenient JSON files so you can easily customize the front end. The need for JavaScript Data Labelling has greatly increased these days due to the rapid growth of machine learning and deep learning technologies. We have used a lot of JavaScript Data Labelling libraries these days, but some of them are more popular than others. The following is a comprehensive list of the best open source libraries.

Parsrby axa-group

JavaScript doticonstar image 5304 doticonVersion:v1.2.2doticon
License: Permissive (Apache-2.0)

Transforms PDF, Documents and Images into Enriched Structured Data

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            Parsrby axa-group

            JavaScript doticon star image 5304 doticonVersion:v1.2.2doticon License: Permissive (Apache-2.0)

            Transforms PDF, Documents and Images into Enriched Structured Data
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                      chartedby charted-co

                      JavaScript doticonstar image 2751 doticonVersion:0.2.4doticon
                      License: Permissive (MIT)

                      A charting tool that produces automatic, shareable charts from any data file

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                                chartedby charted-co

                                JavaScript doticon star image 2751 doticonVersion:0.2.4doticon License: Permissive (MIT)

                                A charting tool that produces automatic, shareable charts from any data file
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                                          universal-data-toolby UniversalDataTool

                                          JavaScript doticonstar image 1784 doticonVersion:v0.14.26doticon
                                          License: Permissive (MIT)

                                          Collaborate & label any type of data, images, text, or documents, in an easy web interface or desktop app.

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                                                    universal-data-toolby UniversalDataTool

                                                    JavaScript doticon star image 1784 doticonVersion:v0.14.26doticon License: Permissive (MIT)

                                                    Collaborate & label any type of data, images, text, or documents, in an easy web interface or desktop app.
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                                                              chartjs-plugin-datalabelsby chartjs

                                                              JavaScript doticonstar image 773 doticonVersion:v2.2.0doticon
                                                              License: Permissive (MIT)

                                                              Chart.js plugin to display labels on data elements

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                                                                        chartjs-plugin-datalabelsby chartjs

                                                                        JavaScript doticon star image 773 doticonVersion:v2.2.0doticon License: Permissive (MIT)

                                                                        Chart.js plugin to display labels on data elements
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                                                                                  label-studio-frontendby heartexlabs

                                                                                  JavaScript doticonstar image 331 doticonVersion:v1.8.0doticon
                                                                                  License: Permissive (Apache-2.0)

                                                                                  Data labeling react app that is backend agnostic and can be embedded into your applications — distributed as an NPM package

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                                                                                            label-studio-frontendby heartexlabs

                                                                                            JavaScript doticon star image 331 doticonVersion:v1.8.0doticon License: Permissive (Apache-2.0)

                                                                                            Data labeling react app that is backend agnostic and can be embedded into your applications — distributed as an NPM package
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                                                                                                      trainsetby Geocene

                                                                                                      JavaScript doticonstar image 109 doticonVersion:Currentdoticon
                                                                                                      License: Permissive (MIT)

                                                                                                      A lightweight web application for brushing labels onto time series data; useful for building training sets.

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                                                                                                                trainsetby Geocene

                                                                                                                JavaScript doticon star image 109 doticonVersion:Currentdoticon License: Permissive (MIT)

                                                                                                                A lightweight web application for brushing labels onto time series data; useful for building training sets.
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                                                                                                                          Leaflet.LabelTextCollisionby yakitoritabetai

                                                                                                                          JavaScript doticonstar image 69 doticonVersion:Currentdoticon
                                                                                                                          License: Permissive (MIT)

                                                                                                                          Leaflet.LabelTextCollision is a LeafletJS plug-in to display labels on vector data while avoiding label collisions.

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                                                                                                                                    Leaflet.LabelTextCollisionby yakitoritabetai

                                                                                                                                    JavaScript doticon star image 69 doticonVersion:Currentdoticon License: Permissive (MIT)

                                                                                                                                    Leaflet.LabelTextCollision is a LeafletJS plug-in to display labels on vector data while avoiding label collisions.
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                                                                                                                                              label-studioby bbbbb-bak/database-tools

                                                                                                                                              JavaScript doticonstar image 0 doticonVersion:Currentdoticon
                                                                                                                                              License: Others (Non-SPDX)

                                                                                                                                              Label Studio is a multi-type data labeling and annotation tool with standardized output format

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                                                                                                                                                        label-studioby bbbbb-bak/database-tools

                                                                                                                                                        JavaScript doticon star image 0 doticonVersion:Currentdoticon License: Others (Non-SPDX)

                                                                                                                                                        Label Studio is a multi-type data labeling and annotation tool with standardized output format
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                                                                                                                                                                  label-text-appby JannisBush

                                                                                                                                                                  JavaScript doticonstar image 0 doticonVersion:Currentdoticon
                                                                                                                                                                  License: Permissive (MIT License)

                                                                                                                                                                  Webapp to label all kinds of textual data

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                                                                                                                                                                            label-text-appby JannisBush

                                                                                                                                                                            JavaScript doticon star image 0 doticonVersion:Currentdoticon License: Permissive (MIT License)

                                                                                                                                                                            Webapp to label all kinds of textual data
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                                                                                                                                                                                      supervisorby cedrichaase

                                                                                                                                                                                      JavaScript doticonstar image 0 doticonVersion:Currentdoticon
                                                                                                                                                                                      License: Others (Non-SPDX)

                                                                                                                                                                                      An improvised electron app to help label time series data with binary labels

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                                                                                                                                                                                                supervisorby cedrichaase

                                                                                                                                                                                                JavaScript doticon star image 0 doticonVersion:Currentdoticon License: Others (Non-SPDX)

                                                                                                                                                                                                An improvised electron app to help label time series data with binary labels
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