ChartQuill – WordPress Chart Builder

ChartQuill is a flexible chart plugin and chart builder for the WordPress block
editor. Create responsive bar, line, pie, scatter, histogram, and heatmap
charts from data entered directly, pasted from a spreadsheet, or imported from
a local CSV/TSV file, without leaving Gutenberg.

Free line charts include thin, regular, and bold line weights so trends remain
clear in different layouts. Free pie charts can place direct percentage or
formatted-value labels on slices, helping readers understand the composition
without relying on a separate legend alone.

Each chart block provides purposeful controls for mapping, formatting, colour,
and presentation. Add a useful title, summary, source, and optional linked data
table so the finished visualization works naturally within an article, report,
dashboard, or page.

Chart data stays with the block and remains editable in WordPress. No iframe,
hosted chart service, or front-end CDN is required. Your data stays under your
control, and semantic fallback content keeps the underlying information
available beyond the visual.

The free edition includes:

• Vertical and horizontal single-series bar charts.
• Vertical and horizontal grouped bar charts.
• Dot plots and lollipop charts for precise, lightweight comparisons.
• Line charts, scatter plots, histograms, heatmaps, and pie charts.
• Common chart controls for number/date formats, ordering, legends, ticks,
  chart height, bar spacing/corners, line shape and weight, point size, and
  pie labels as percentages or formatted values.
• A guided sample start plus one spreadsheet-like editor with direct CSV/TSV
  paste and local file import, explicit Apply or Cancel actions, and
  chart-appropriate field mapping.
• Title, accessible summary, source, and unit fields.
• Theme-aware colours, legends, optional grid lines, and context-sensitive labels.
• Readable chart tags that are unique within a post.
• Responsive, self-hosted SVG enhancement without an iframe or chart service.
• On-mark pointer tooltips plus a compact keyboard- and touch-friendly value
  explorer, without a separate tab stop for every chart mark.
• One-click linked Chart Data Table blocks with clear connection status,
  captions, Minimal/Grid/Striped native Block Styles, two densities, standard
  block styling, and saved snapshots that can outlive their source chart.
• Two opt-in, demo-ready ChartQuill starter patterns; activation never creates
  demo pages.
• A permanent ChartQuill Home workspace with direct chart-family starters and
  reader-question guidance; every choice opens an unsaved editor and never
  publishes or overwrites content automatically.
• Polished family previews in the block inserter and a consistent Data,
  Content, Appearance, Analysis, and Connections settings structure.
• A ChartQuill settings page for the default colour of newly inserted charts.
• Wide and full-width alignment.

Each chart and its data are saved with the post. Titles, summaries, sources,
and any linked data table remain available if the visual cannot be rendered,
helping the underlying information stay accessible and useful.

Go further with ChartQuill Pro

Explore ChartQuill Pro for richer analysis, presentation, and publishing workflows.

• Twelve professional chart styles, including stacked and 100% stacked bars, bullet charts, Likert, waterfall, area, trend, bubble, box plot, and donut charts.
• Deeper analysis with rolling averages, cumulative and indexed series, Top-N plus Other, uncertainty and confidence bands, mean and median overlays, log scales, explicit domains, and advanced histogram and heatmap controls.
• Reusable brand palettes plus per-series, per-slice, per-mark, and conditional colours.
• Editorial annotations with reference lines, shaded ranges, callouts, and direct labels.
• A richer bubble-chart workflow with a four-sector starter, exact hover
  values, an independent size legend, and configurable direct labels.
• Branded report patterns and professional Editorial and Report table styles.
• Non-destructive Pro charts that preserve their data and settings if a license is temporarily unavailable.