⌘ K
csv → html table · thead / tbody · escaped cells · live

Render CSV as an HTML table

Wrap CSV rows in a semantic HTML table with thead and tbody. Cell values are entity-escaped so the markup is safe to paste into a CMS or static-site post.

CSV → HTML Table
Input
60 B
4 lines
Output
271 B
10 lines
Status
ready
live
Ratio
4.52×
out/in
input · csv
output · html
<table>
  <thead>
    <tr><th>name</th><th>age</th><th>city</th></tr>
  </thead>
  <tbody>
    <tr><td>Alice</td><td>30</td><td>Boston</td></tr>
    <tr><td>Bob</td><td>25</td><td>Seattle</td></tr>
    <tr><td>Carol</td><td>40</td><td>Austin</td></tr>
  </tbody>
</table>
Quick Start

How the markup is built

The first CSV row becomes a thead with th cells; each subsequent row becomes a tr inside tbody. All cell text is HTML-escaped so user data can't break out of the table.

  1. 01

    Paste CSV

    Standard RFC 4180 — quoted fields and embedded commas are handled.

    Parsing is strict-but-tolerant — comments and trailing commas are accepted on input where the source format historically permits them; output stays canonical.

    inputstricttolerantliveparse
    in · sourcecsv · live
    name,age
Alice,30
    loaded · parsedtarget · ready
  2. 02

    Head + body split

    Row 0 emits thead with th; rows 1+ emit tbody with td.

    Conversion preserves type information where the target supports it (numbers stay numeric, booleans stay boolean) so the destination parser never has to re-coerce.

    semanticstype-preservinglosslesslivememoised
    thead · optionstbody · live
    <thead><tr><th>name</th></tr></thead>
    options applied · liveround-trip
  3. 03

    Cells escaped

    Ampersand, less-than and greater-than are converted to their HTML entities.

    Re-encoding is idempotent: running output back through the same converter produces the same bytes, which keeps round-trips git-friendly.

    safeidempotentround-tripdiff-cleandeterministic
    esc · convertedentities · ready
    A & B → A &amp; B
    converted · livediff-clean
  4. 04

    Copy or download

    Paste straight into a blog post, docs page or CMS editor.

    Copy writes via navigator.clipboard.writeText; downloads use the target’s native MIME so editors apply the right syntax highlighting on open.

    exportclipboardtarget MIMEblobclient-side
    ✓ · copiedready · done
    ✓ Copied
    shipped · ready to shipsuccess
Pro tips

Converting between formats, safely

Pick the strictest source format

Lossy formats hide bugs. Choose JSON or YAML as your source-of-truth, convert downstream as needed.

Round-trip in CI

If your converter is idempotent, your CI can verify A → B → A equals the original. Catches subtle data loss.

Numbers vs strings differ

YAML/TOML have a number type; CSV doesn’t. Quote IDs in CSV to keep leading-zero values intact.

Watch character encoding

Source format may be Latin-1 / Windows-1252; target should be UTF-8. Convert encoding before structure.

Preserve comments where you can

YAML and TOML support comments. Don’t silently drop them — they often encode intent.

Schema-aware beats blind

Use a schema to guide conversion. Field types, required-ness, and defaults survive better with structure.

Related toolsCSV to Markdown TableCSV to XMLCSV to YAMLCSV to JSONCSV to SQLCSV to TSV
Use Cases

When to render CSV as HTML

Docs, blogs, internal dashboards.

Blog posts

Drop a CSV export into a Markdown or MDX post. Type information survives: numbers stay numeric, booleans stay boolean, strings stay strings. The destination parser doesn't have to re-coerce, which avoids the &quot;'true' becomes &quot;true&quot;&quot; bug class.

round-trip safe

Static sites

Render structured data without a JS table library. Run output back through the inverse converter to verify idempotent round-trips in CI. A → B → A should produce byte-identical input — if it doesn't, you've found data loss.

type-preserving

Internal pages

Spin up a quick reference table from a spreadsheet. Comments and metadata survive where the target format supports them (YAML, TOML, HCL). The tool doesn't silently drop intent-encoded annotations, which keeps your config self-documenting.

schema-aware

Email reports

Plain HTML tables render reliably in email clients. Pair with a schema (JSON Schema, OpenAPI, Zod, Pydantic) to catch shape drift on either side. Catch breaking changes at conversion time rather than at runtime in production.

lossless

Status pages

Publish a daily snapshot from a CSV-shaped log. Output respects target-format conventions: quoting in CSV, indent in YAML, brackets in JSON. Existing parsers don't need patches, and the result drops into legacy pipelines unchanged.

diff-clean

Government data

Expose open CSV datasets as accessible HTML. Encoding-aware: handles UTF-8 vs UTF-16 vs Latin-1 / Windows-1252 transparently. The character-set surprise that breaks &quot;works on my machine&quot; doesn't apply here.

spec-grade
FAQ

Frequently asked questions

The output is minimal markup — wire in your stylesheet or Tailwind classes after pasting.
Yes — they emit as empty td elements so the column count stays correct.
Add the caption manually after the opening table tag.
Yes — & < > are converted to entities to prevent malformed HTML or injection.
No. The conversion is entirely local.
Suggest a tool

Something missing?

Tell us what you need. We ship the top requests every two weeks.

Sent straight to the maintainers · no account needed
47 in queue·8 shipped this month
Request queued. Thanks!