Developer Files

Free structured fixtures for parsers, APIs, imports, and developer tooling.

Open a format below, then download the size that matches your smoke test or CI pin.

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Use CSV for tabular imports, JSON for object/array payloads, and VCF for contact-card workflows. Also browse HTML, CSS, TS, MD, plus PY, JS, SQL, YAML, and XML. Related hub: documents.

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CSV CSV samples CSV Data · .csv Tabular import fixtures with defined headers and row counts. Browse CSV downloads JSON JSON samples JSON Data · .json Object/array payloads for parsers and API size checks. Browse JSON downloads VCF VCF samples vCard Contact · .vcf Contact-card import fixtures for address-book workflows. Browse VCF downloads PY PY samples Python Source · .py Python source fixtures for upload and syntax checks. Browse PY downloads JS JS samples JavaScript Source · .js JavaScript source fixtures for upload and highlighting tests. Browse JS downloads SQL SQL samples SQL Script · .sql Script fixtures with sample tables and INSERT statements. Browse SQL downloads YAML YAML samples YAML Config · .yaml Config/data fixtures for parser and upload tests. Browse YAML downloads XML XML samples XML Document · .xml Structured document fixtures for parsing and upload tests. Browse XML downloads HTML HTML samples HTML Document · .html Markup fixtures for upload, parser, and preview checks. Browse HTML downloads CSS CSS samples Cascading Style Sheets · .css Stylesheet fixtures for upload and front-end tooling checks. Browse CSS downloads TS TS samples TypeScript Source · .ts TypeScript source fixtures for upload and tooling checks. Browse TS downloads MD MD samples Markdown · .md Markdown fixtures for upload, preview, and docs tooling. Browse MD downloads

What these fixtures are for

These are synthetic datasets and source snippets for exercising parsers, importers, and upload paths.

Each format page lists Actual size and SHA-256 so you can pin the same object in QA. Learn more in about, and review privacy and terms.

How to download

Browse the formats above.
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Download with the button for that row.

Frequently Asked Questions

Are these downloads free?

Yes. Published developer fixtures are free to download with no account required.

Can I use them for website testing?

Yes. Use them to test parsers, importers, APIs, and upload size limits.

Which developer formats are currently available?

Published formats include CSV, JSON, VCF, PY, JS, SQL, YAML, XML, HTML, CSS, TS, and MD. Open a format page for sizes and checksums.

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