假数据生成器,免费

为您的设计稿生成假数据:Lorem Ipsum、姓名、邮箱、地址、日期等。

没有数据离开您的设备

使用方法

  1. 从下拉菜单中选择内容类型(Lorem Ipsum、姓名、邮箱等)。
  2. 选择要生成的数量(1 到 100 项)。
  3. 点击生成以创建假数据。
  4. 复制输出,或下载为 .txt 或 .json 用于您的项目。

常见问题

什么是 Lorem Ipsum?

Lorem Ipsum 是一种占位文本,用作设计稿和原型中的填充内容。其单词分布看起来像英语,但不包含任何实际含义。

生成的邮箱和姓名是真实的吗?

不是。所有内容都是随机生成,仅用于设计目的。切勿在生产环境中使用此数据,也不要向生成的邮箱地址发送消息。

可以在我的项目中使用此内容吗?

可以。此占位内容非常适合设计稿、原型和测试。但在发布或投入生产前,请替换为真实内容。

Lorem Ipsum: from Cicero to your wireframe

"Lorem ipsum dolor sit amet, consectetur adipiscing elit…" (the placeholder Latin everyone in design has typed at least once) is not gibberish. It is a corrupted excerpt from De finibus bonorum et malorum ("On the Ends of Good and Evil"), a treatise on ethics written in Latin by the Roman statesman Marcus Tullius Cicero around 45 BC. The original passage opens "Neque porro quisquam est qui dolorem ipsum quia dolor sit amet, consectetur, adipisci velit…", roughly, "Nor is there anyone who loves pain itself because it is pain."

Latin scholar Richard McClintock of Hampden-Sydney College popularised the standard origin story in the 1980s: an unknown 16th-century printer garbled Cicero's text by chopping the leading "do-" off "dolorem," leaving the orphaned "Lorem ipsum dolor sit amet…" and using the resulting nonsense Latin as a type specimen. McClintock identified the source by tracing the unusual word "consectetur" through Cicero's corpus. Because the Latin words have a vowel-and-consonant distribution roughly similar to English but no semantic meaning, they let printers and clients judge typography (fit, colour, rhythm) without being distracted by content.

The phrase entered the modern design vocabulary through Letraset, the British dry-transfer lettering company, which in the 1960s included Lorem Ipsum specimen sheets in its rub-down lettering kits. From Letraset it migrated to Aldus PageMaker in the mid-1980s, then to virtually every word processor and desktop-publishing program. Microsoft Word generates it via the =lorem() function; Adobe InDesign, Sketch, Figma and most modern design tools ship Lorem Ipsum as a built-in placeholder.

When you'd reach for placeholder content

Modern alternatives to Lorem Ipsum

Lorem Ipsum has critics. Some designers argue that nonsense Latin disguises content problems that real copy would surface, a button labelled "Lorem ipsum" can't tell you whether a real call-to-action ("Book a demo") would fit. Several alternatives have emerged for that reason:

For most wireframe and template work, Lorem Ipsum is still the path of least resistance, it has been the convention for so long that designers and developers immediately recognise it as "this is placeholder, not final copy."

A word about realistic-looking emails and addresses

The generated names, email addresses, phone numbers and physical addresses on this page are randomly assembled and intended for design and testing purposes only. None of them are real, but some may coincidentally match the contact details of an actual person. Two safety conventions are worth following:

Same logic for phone numbers: most countries reserve specific number ranges for film and TV use that are guaranteed not to ring a real subscriber. In North America, anything starting 555-0100 through 555-0199 is reserved by NANPA for fictional use. UK Ofcom reserves 0xxx 496 0xxx ranges for the same purpose. Generated numbers from this tool are random and may or may not fall in those ranges; if you're publishing them, swap in a reserved one.

A note on the "lorem pixum" image-placeholder ecosystem

A separate but related ecosystem of image-placeholder services grew up alongside text Lorem Ipsum. The common pattern was a URL like <img src="https://placeholder.com/300x200"> that returned a coloured rectangle with the requested dimensions, served as an image. The pioneers included placeholder.com / placehold.it (founded 2007 by Brent Logan; replaced by placehold.co around 2022 after the original infrastructure became unreliable), Lorem Picsum (picsum.photos, launched around 2017, returns curated real photographs at any dimension), and a long list of novelty variants (placekitten.com, placebear.com, fillmurray.com, placecage.com) most of which went offline in the 2020–2023 window as their indie maintainers wound them down or hosting bills came due.

Modern alternatives have shifted toward client-side techniques: a <canvas> element painted with a colour and the dimensions text exports as a data URI without contacting any server. SVG is even lighter, a few hundred bytes, scalable, and embeddable directly in HTML or CSS. Build-time tools like BlurHash (2019), ThumbHash (2023), and the plaiceholder library (2021) compute a tiny hash of the real image at build time, then render that hash as a low-fidelity preview while the full image loads, solving the "blank space until the photo arrives" problem more elegantly than a fixed placeholder.

More questions

Why Latin and not English?

Because the goal is to disable the brain's automatic comprehension. English placeholder text is impossible to look at without involuntarily reading it, which biases your judgement of typography (the prettiest font with awkward content reads as ugly). Lorem Ipsum's slightly-recognisable-but-meaningless quality lets the eye see word shapes, line lengths, leading and tracking without comprehension getting in the way. The fact that it's been the convention since the 1960s also helps, clients and stakeholders recognise it instantly as "not final copy."

Are the names and emails generated by this tool safe to publish?

Treat them like real-looking but completely random data. They are statistically likely to be fictional, but a name like "Sarah Johnson" or an email like "info@globalcorp.com" might coincidentally match an actual person or business somewhere in the world. For anything published or committed to a public repo, prefer the IETF-reserved example.com / example.org / example.test domains for emails (RFC 2606) and the NANPA-reserved 555-0100555-0199 range for North American phone numbers.

What format should I use to seed a database?

Use the Download as .json button to get the generated content as a structured array; most ORMs (Prisma, Sequelize, ActiveRecord, Django) will accept JSON as a seed input directly, and command-line tools like jq can transform the array further if you need a different shape. For text-only consumers (CSV templates, plain-text editors), the Download as .txt button gives you a one-item-per-line file.

Will the same content be generated twice?

Each click of Generate runs a fresh randomisation, so two generations of "10 names" almost certainly won't match. There is no seed input on this tool, if you need deterministic, repeatable test data (e.g. for snapshot tests in a CI pipeline), generate it once, save the output to a file, and import that file in your tests rather than regenerating live.

Does anything get sent to a server?

No. The randomisation runs in your browser using the JavaScript Math.random() family. Nothing about your selections leaves the page; the downloaded file is generated client-side and saved straight to your device. The page works offline once it's loaded.

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