Markdown to Excel

Free Online Converter

JSON to Markdown Table Converter

Turn JSON arrays into clean Markdown tables. Paste your data, get a table. No sign-up, no server -- runs right in your browser.

100% Free
Privacy-First
Instant Conversion

JSON Input

Markdown Output

Markdown output will appear here

Paste JSON data on the left to see conversion

Why I Built This JSON to Markdown Converter

From API Response to README in Seconds

I got tired of manually building Markdown tables every time I needed to document an API response. So I made this. Paste your JSON array -- whether it's an array of objects (the standard REST API format) or an array of arrays -- and you get a properly formatted Markdown table that looks great on GitHub, GitLab, Notion, or any platform that renders Markdown. Need to go the other direction? The Markdown to JSON converter does exactly that.

Your Data Never Leaves Your Browser

Everything happens in JavaScript, right on your machine. No uploads, no server-side processing, nothing stored anywhere. I wanted this because half the JSON I work with has API keys, user records, or internal config data that shouldn't be floating around on someone else's server. If you also need spreadsheet output, check out the JSON to Excel converter.

Handles the Tricky Stuff Automatically

Pipe characters in your data? Escaped. Missing keys in some objects? Columns still line up. Different numbers of fields per row? Normalized. I added these because real-world JSON is messy -- it's not always perfectly uniform. The converter deals with it so you don't have to. If your data starts as CSV or Excel, try the CSV to Markdown or Excel to Markdown tools instead.

When You'll Actually Use This

Documenting API Endpoints

You're writing docs for your REST API. Instead of manually typing out a Markdown table to show what the /users endpoint returns, just paste the actual JSON response here. Copy the output into your README. Done in 10 seconds.

Making Config Files Readable

Got a JSON config with feature flags, environment variables, or permission settings? Drop it in here and paste the Markdown table into your internal wiki. Way easier for teammates to scan than raw JSON in a code block.

Sharing Test Fixtures

Writing a test plan? Convert your JSON test data into a table so everyone on the team can see what inputs you're testing without having to mentally parse a JSON blob. Makes code reviews faster too.

Database Export Documentation

Export a few rows from your database as JSON (most ORMs and query tools can do this), then convert them to a Markdown table for your schema docs or migration notes. Beats screenshotting your database client.

Related Tools

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Go the other way -- turn Markdown tables back into JSON

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CSV to Markdown

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Markdown to Excel

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HTML to Markdown

Strip HTML tags and get clean Markdown output

Frequently Asked Questions

Paste a JSON array into the left panel. The tool reads your JSON, pulls out the keys for column headers, and builds a pipe-delimited Markdown table on the right. It handles both arrays of objects (like [{"name":"Alice","age":30}]) and arrays of arrays (like [["Name","Age"],["Alice",30]]). The format is detected automatically -- you don't have to pick anything.
Two kinds work here. First: an array of objects, which is what you get back from most REST APIs. The object keys turn into column headers. Second: an array of arrays, where the first inner array becomes the header row. I added auto-detection so you just paste and go -- no toggles or dropdowns.
Hit the Sample button to load some example JSON. You'll see the Markdown table appear instantly on the right side. From there you can Copy to grab it for your README, or Download to save a .md file. The whole thing runs in your browser, so there's no waiting on a server.
Pipes get escaped automatically. Since Markdown tables use | as column separators, any literal pipe in your data gets turned into \| so the table structure doesn't break. Newlines inside values get replaced with spaces too. Everything else -- unicode, numbers, special characters -- stays exactly as-is.
Yes. Nothing leaves your browser. There's no server involved, no API calls, no analytics on your data. I built it this way specifically because I kept needing to convert API responses that had auth tokens and user data in them. Your JSON stays on your machine, period.
There's no hard limit built in. I've tested it with a few thousand rows and it handles them fine. Since everything runs in JavaScript in your browser, really huge arrays (think 50,000+ rows) might slow things down depending on your device. But for typical API responses and datasets, it's instant.
Nope, it's free. No account needed, no limits on how many times you use it. If you need other formats, we also have Markdown to Excel, Markdown to JSON, JSON to Excel, and CSV to Markdown.
Use Markdown when the table needs to show up nicely on GitHub, GitLab, Notion, or in documentation. Markdown tables render natively on those platforms. Use CSV when you need to import data into a spreadsheet or feed it into a script. Different jobs. If you want a spreadsheet file directly, check out our JSON to Excel converter.
The converter works best with flat data -- arrays of objects where each value is a string, number, or boolean. If you have nested objects or arrays inside your data, they'll show up as their JSON string representation in the table cells. For deeply nested structures, you'll want to flatten the data first before pasting it in.