Roadmap

• AI-powered automatic chart selection and visualization tool
• Project sharing within organizations

And more. This list will be updated as needed.

• ✅ Public sharing feature for created interactive visualization content
• ✅ CSV support for data used in Cytoscape, Gephi, and similar tools

Changelog

June 27, 2026 (Shared)

• Redesigned the tools directory. You can now search by tool name, use case, or category, filter by category, and open each tool or its detail page directly from the list.
• Updated the My Page experience for both data visualization and data preparation as workspace home screens. It is now easier to start from saved projects, sample datasets, public projects, or task-based tool entry points.

June 20, 2026 (Visualization)

• Choropleth and cartogram tools now let you choose the map scope inside the tool. You no longer need to open separate entry points for Japan-wide maps and maps within a prefecture.
• Added support for multivariate choropleth maps.

June 18, 2026 (Preparation)

• Removed the map tile browser “What the Tile.” What the Tile has moved to Explorable Explanations: https://explorable-explanations.com/p/what-the-tile/

May 31, 2026 (Visualization)

• Removed the “Data Visualization: Parts” category. Removed the Easing Function Cheat Sheet, SVG Gradient Editor, and SVG Texture Editor. The Easing Function Cheat Sheet has moved to Explorable Explanations: https://easings.explorable-explanations.com/ja

May 31, 2026 (Preparation)

• Removed the “Choosing Tools” category from the in-app sidebar and tools listing.

May 7, 2026 (Shared)

Prepared tools.data-viz-lectures.com as the public overview site for the data visualization and data preparation tool services.

May 4, 2026 (Shared)

Moved to a new pricing structure that treats data visualization and data preparation as separate service scopes.

April 21, 2026 (Shared)

Separated the authentication and account dashboard domains.

• Sign-up and login use https://id.data-viz-lectures.com/ as the shared entry point.
• The data visualization account dashboard is available at https://app.dataviz.jp/.
• The data preparation account dashboard is available at https://app.dataprep.jp/.

You will be redirected automatically, but please update your bookmarks.

April 16, 2026 (Visualization)

• Added new tool: “Bar Chart Cross-Filter.” Upload CSV or TSV data and click across multiple bar charts to cross-filter and explore your data — a BI-style capability now available as a standalone tool.

April 12, 2026 (Shared)

• Localized checkout and sign-up flows for English users. The entire subscription experience — from pricing to payment — is now available in English.
• Introduced USD pricing for international users. Plans now start at $17/month for individuals and $72/month for small teams.
• Renamed “Enterprise Plan” to “Group Plan” for consistency across billing and pricing pages.

April 9, 2026 (Shared)

• Launched multi-user plans for teams and departments. Choose from plans for 5, 10, or 30 members.

April 8, 2026 (Shared)

• Fixed a display issue around the common header that occurred in some tools.

April 5, 2026 (Preparation)

• Added new tool: “Japanese-Western Calendar Converter”

April 3, 2026 (Shared)

• Launched the “Data Library” page. Accessible from the navigation bar, it lets you browse and search sample datasets available across tools, then launch a compatible tool with the selected data.
• Added a “Sample Data” button to each tool’s toolbar. You can now browse and load compatible sample datasets directly from within the tool.

April 2, 2026 (Visualization)

• The account dashboard domain has been changed from auth.dataviz.jp to app.dataviz.jp. You will be redirected automatically, but please update your bookmarks.
• The tools listing page has been moved from the public site https://www.dataviz.jp/ to the members-only page https://app.dataviz.jp/.

March 31, 2026 (Preparation)

• Added a corporate number database that can be called from OpenRefine’s “Reconciliation” feature

March 24, 2026 (Visualization)

• Added new tool: “Draw-to-Answer Line Chart”

March 23, 2026 (Visualization)

• Added new tool: “3D Surface Chart”
• Added public sharing feature to Parallel Coordinates

March 18, 2026 (Visualization)

• Added CSV format and Shift JIS data file support for Gephi and Cytoscape
• Added a spiral chart example using RawGraphs to the showcase

March 17, 2026 (Visualization)

• Added Shift JIS data file support for RawGraphs, Parallel Coordinates, Voyager, Word Cloud, and Data Illustrator

March 14, 2026 (Visualization)

• Added new tool: “Parallel Coordinates”

March 12, 2026 (Preparation)

• Removed unnecessary line breaks within cells in Tabula
• Added new tool: “Text Entity Extraction Tool”

March 11, 2026 (Shared)

• The service was officially launched.