折线图在线生成
单系列折线趋势图，支持平滑与数据点标注。
关于「折线图在线生成」
它属于「图表生成」分类：在浏览器里把表格数据变成可下载的矢量/位图图表。
- 单/多系列折线趋势图，支持平滑曲线与数据点标注。
- 处理在本地完成，不上传。
完全免费、无需注册；所有处理都在浏览器本地完成，文件不会上传到任何服务器。
相关关键词：折线图在线生成、图表生成、折线、line、趋势、在线工具、免费
如何使用「折线图在线生成」
- 打开工具：打开「折线图在线生成」页面，无需注册、无需安装任何软件。
- 准备输入：多系列：名称,系列1,系列2…（首行作为 X 轴标签）
- 填入内容：把内容粘贴进输入框，或把文件拖入页面；也可以点击「示例」先填入样例数据试一下。
- 设置选项并处理：按需调整页面上的选项，然后点击处理 / 转换 / 生成按钮。
- 获取结果：处理完全在浏览器本地完成，结果可直接复制或下载，文件不会上传到任何服务器。
常见问题
- 怎么画多条线？
- 勾选“多系列”，每行第一个是系列名，其余为各 X 点数值。
- 数据应该怎么填？
- 首行是 X 轴标签（如月份），之后每行第一个是系列名，其余为该系列在各 X 点的数值，逗号或制表符分隔。
- 图上的小圆点是什么？
- 每个数据点都会以圆点标注，便于对应具体数值位置。
- 我的数据会被上传吗？
- 不会。解析与绘制全部在浏览器本地完成，数据不会离开你的设备。
Line Chart Maker (English)
Single-series line trend chart with smooth lines and point markers.
Belongs to “Charts”: Turn tabular data into downloadable vector/bitmap charts, right in your browser.
- Single/multi-series line trend chart with smooth curves and point markers.
- Processed locally; nothing is uploaded.
Free, no sign-up; everything runs locally in your browser and files are never uploaded.
Keywords: Line Chart Maker, Charts, line, trend, online tool, free
How to use it
- Open the tool：Open the “Line Chart Maker” page — no sign-up and nothing to install.
- Prepare the input：Multi: name,series1,series2… (first row = X labels)
- Provide the input：Paste your content into the input box or drop a file onto the page; you can also click “Sample” to try example data first.
- Adjust options and run：Adjust the options if needed, then click the process / convert / generate button.
- Get the result：Everything runs locally in your browser; copy or download the result — your files are never uploaded.
FAQ
- How to draw multiple lines?
- Check “Multi-series”; the first field of each row is the series name, the rest are X values.
- How should I enter the data?
- The first row holds the X-axis labels (e.g. months); each later row starts with the series name followed by its values at those X points, comma- or tab-separated.
- What are the small dots?
- Every data point is marked with a dot so you can read its position.
- Will my data be uploaded?
- No. Parsing and rendering happen locally in your browser; your data never leaves your device.
More tools in Charts
- Pie Chart Maker — Enter categories and values to generate an exportable pie chart.
- Doughnut Chart Maker — A ring chart with a center hole and custom colors.
- Multi-series Line Chart — Compare multiple data series in one coordinate system.
- Bar Chart Maker — Vertical/horizontal bar charts for category comparison.
- Area Chart Maker — Filled trend area chart that emphasizes cumulative volume.
- Stacked Area Chart — Stack multiple series to show totals and composition.
- Waterfall Chart Maker — Show step-by-step increase/decrease, common in finance.
- Histogram Maker — Auto-bin continuous values to observe distribution.
- Scatter Plot Maker — X/Y scatter distribution with trend-line fitting.
- Radar Chart Maker — Multi-dimension comparison with overlaid series.