How do I make a table with +--+ ASCII borders?

Paste your rows into the data box, leave the border style on ASCII, and the tool wraps every column in plus, dash and pipe characters. For example Name,City on the first line and Alice,Berlin on the second gives you a +------+--------+ top rule, | Name | City | header, a matching separator, then | Alice | Berlin |. ASCII borders use only keyboard characters, so they survive copy-paste into any editor, terminal or commit message without font issues.

What is the difference between Unicode box and ASCII style?

ASCII style draws lines with the plain characters + - and |, which render everywhere including old terminals and email clients. Unicode box style uses the dedicated box-drawing characters such as ┌ ─ ┬ ┐ │ └ ┴ ┘ ├ ┼ ┤, so corners and joints look like one continuous frame instead of stacked pluses. Unicode looks cleaner in a modern README or terminal that supports UTF-8, but ASCII is the safer choice when you are unsure what will display the text.

How does the first-row-as-header option work?

Turn on first row is header and the tool treats line one as column titles, drawing a separator rule right below it to set the heading apart from the body. With three rows of data and the option on, you get a header row, a divider, then two body rows. Turn it off and every row is treated as plain data with no divider, which is what you want for a table that has no titles, such as a key-value grid or a matrix of numbers.

Will Chinese or Japanese text break the alignment?

No, as long as CJK width = 2 stays on. In a monospace font one Han character, kana or Hangul syllable occupies two cells, not one, so naive padding by character count leaves those columns ragged. This tool measures real display width and pads to it, so a column mixing Alice and 北京 still lines up. If you paste into an environment that renders CJK as single width, turn the option off and it pads by character count instead.

Where would I actually use a generated ASCII table?

The common spots are a project README where a fenced code block keeps the table monospace, a code comment documenting config fields or status codes, a CLI help screen or startup banner, a Slack or Discord message inside a code block, and plain-text email or a Git commit body where Markdown is not rendered. Anywhere the reader sees a fixed-width font, an ASCII or Unicode box table reads better than comma-separated text.

Can I use a tab or a custom delimiter instead of commas?

Yes. Set the delimiter to Tab and paste straight from Excel, Google Sheets or Numbers, which copy cells separated by tabs. Or pick Custom and type any character such as a semicolon or a pipe, which is handy for European CSV files that use ; as the separator. The tool trims surrounding spaces from each cell, so a, b, c and a,b,c produce the same columns.

Put a clean table in a README code block

You are documenting a CLI and want a table of flags that stays aligned no matter where GitHub renders it. Paste the flag names and descriptions as CSV, switch the border to ASCII or Unicode, and wrap the output in a fenced code block. Because the columns are padded to a fixed width, the table reads the same on GitHub, in a raw .md file and in anyone's editor, with no dependency on a Markdown renderer being present.

Document fields in a source-code comment

A config struct has eight fields and you want a quick reference right above it. Type the field, type and default as rows, set the first row as header, and paste the box-drawing table into a block comment. Future readers see an aligned grid instead of a wall of prose, and the comment survives any language that supports monospace comments — which is all of them.

Print a status table in a terminal banner

Your script greets the user with a summary of detected settings. Build the table here with the Unicode box style, copy it, and embed it as a heredoc or printed string. The double-line or rounded border gives a CLI tool a polished startup screen without pulling in a table-rendering library, and the fixed widths mean it will not wrap or skew in a standard 80-column terminal.

Share a data snippet in Slack or a commit message

You want to paste a small result set into a Slack thread or a Git commit body, where Markdown tables are not rendered. An ASCII table inside a code block keeps the columns aligned for every reader. Build it once, hit copy, and the same shareable URL lets a teammate reopen the exact data and tweak a column before pasting their own version.

Line up a mixed Chinese and English table

A bilingual feature comparison has English headers and Chinese cell values, the case where most generators go ragged. With CJK width = 2 on, each Han character is counted as two cells, so the column holding 北京 lines up under the column holding Berlin. The borders stay vertical, and you get a table that looks right in any monospace context without hand-counting spaces.

ASCII Table Generator — CSV to Box-Drawing Text Tables

Paste CSV or TSV, get a monospace table that lines up: +--+ ASCII, Unicode box, Markdown, with real CJK width

Runs locally
Category Developer & DevOps
Best for Formatting, validating, shrinking, or inspecting code-adjacent text.

Data (CSV / TSV)

Paste straight from a spreadsheet with Tab selected.

Delimiter

Border style

Align

First row is headerCJK width = 2

Table

+-------+----------+--------+
| Name  | Role     | City   |
+-------+----------+--------+
| Alice | Engineer | Berlin |
| 李雷  | 设计师   | 北京   |
+-------+----------+--------+

What this tool does

A free ASCII table generator that turns CSV or TSV rows into a fixed-width text table you can drop straight into a README, a code comment, a terminal banner, a Git commit body or a plain-text email. Pick the border you want: classic ASCII with plus, dash and pipe characters, a Unicode box-drawing table, rounded or double-line box, a GitHub-flavored Markdown pipe table, or a minimal rule-only layout. Choose your delimiter (comma, tab or any custom character), say whether the first row is a header, and align every column left, center or right. The part most online generators get wrong is CJK width: a Chinese, Japanese or Korean character takes two cells in a monospace font, so this tool measures display width and pads to it, keeping the borders perfectly vertical even in mixed Latin and Han tables. One click copies the result. Everything runs in your browser, nothing is uploaded, and the shareable URL reproduces your exact data and options.

Tool details

Input: Text; The page exposes text boxes, numeric controls, file pickers, or structured inputs depending on the tool.
Output: Live result + Copy + Preview; The result area focuses on usable output, with copy, download, or preview actions when supported.
Privacy: Browser-side processing; The main tool logic does not call an external API, so inputs normally stay in the current tab.
Save / share: Shareable URL state; Key settings are encoded in the URL so another person can reopen the same setup.
Performance budget: Initial JS <= 9 KB; No WASM budget is declared, keeping the tool quick to open on mobile.
Best fit: Developer & DevOps · Developer; Category and role tags drive related tools, internal links, and quick fit checks.

How to use

1. Input

Paste or drop your content into the tool panel.
2. Process

Click the button. All processing is local in your browser.
3. Copy / Download

Copy the result or download to disk in one click.

How ASCII Table Generator fits into your work

Use it in the small gaps between coding, reviewing, debugging, and shipping.

Developer jobs

Formatting, validating, shrinking, or inspecting code-adjacent text.
Preparing snippets for documentation, tickets, commits, or handoff.
Checking a small payload quickly without switching tools.

Developer checks

Run irreversible transforms like minify or obfuscate on a copy.
Keep secrets out of pasted snippets unless the tool explicitly stays local.
Use your normal tests or linter before shipping transformed code.

Good next steps

These links move the current task into a more complete workflow.

Real-world use cases

Put a clean table in a README code block
You are documenting a CLI and want a table of flags that stays aligned no matter where GitHub renders it. Paste the flag names and descriptions as CSV, switch the border to ASCII or Unicode, and wrap the output in a fenced code block. Because the columns are padded to a fixed width, the table reads the same on GitHub, in a raw .md file and in anyone's editor, with no dependency on a Markdown renderer being present.
Document fields in a source-code comment
A config struct has eight fields and you want a quick reference right above it. Type the field, type and default as rows, set the first row as header, and paste the box-drawing table into a block comment. Future readers see an aligned grid instead of a wall of prose, and the comment survives any language that supports monospace comments — which is all of them.
Print a status table in a terminal banner
Your script greets the user with a summary of detected settings. Build the table here with the Unicode box style, copy it, and embed it as a heredoc or printed string. The double-line or rounded border gives a CLI tool a polished startup screen without pulling in a table-rendering library, and the fixed widths mean it will not wrap or skew in a standard 80-column terminal.
Share a data snippet in Slack or a commit message
You want to paste a small result set into a Slack thread or a Git commit body, where Markdown tables are not rendered. An ASCII table inside a code block keeps the columns aligned for every reader. Build it once, hit copy, and the same shareable URL lets a teammate reopen the exact data and tweak a column before pasting their own version.
Line up a mixed Chinese and English table
A bilingual feature comparison has English headers and Chinese cell values, the case where most generators go ragged. With CJK width = 2 on, each Han character is counted as two cells, so the column holding 北京 lines up under the column holding Berlin. The borders stay vertical, and you get a table that looks right in any monospace context without hand-counting spaces.

Common pitfalls

Leaving CJK width off when the table has Chinese, Japanese or Korean text. A Han character is two cells wide in monospace, so padding by character count leaves those columns short and the borders zig-zag. Keep CJK width = 2 on unless you are pasting into a place that renders CJK as single width.
Picking the wrong delimiter for the source data. If you paste tab-separated data from a spreadsheet but leave the delimiter on comma, the whole row lands in one column. Set the delimiter to Tab for spreadsheet paste, or Custom for files that use a semicolon or pipe.
Using a Unicode box table where the target is plain ASCII. Some old terminals, log viewers and email clients show box-drawing characters as mojibake or question marks. When you are not sure the reader supports UTF-8, choose the ASCII style so the table uses only + - and | characters.

Privacy

The whole tool is plain JavaScript that runs inside your browser tab. Your data, the parsing, the width calculation and the rendered table never leave the page, and nothing you type is logged or sent to a server. The one thing to know: the shareable URL encodes your data and options in the query string so a link reproduces the table, which means a link pasted into chat will record those rows in the recipient server's access log. For confidential data, use the copy button and paste the table text rather than sharing the URL.

FAQ

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ASCII Table Generator — CSV to Box-Drawing Text Tables

What this tool does

Tool details

How to use

1. Input

2. Process

3. Copy / Download

How ASCII Table Generator fits into your work

Developer jobs

Developer checks

Good next steps

Real-world use cases

Put a clean table in a README code block

Document fields in a source-code comment

Print a status table in a terminal banner

Share a data snippet in Slack or a commit message

Line up a mixed Chinese and English table

Common pitfalls

Privacy

FAQ

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