About
FormatForDev helps developers inspect, transform, and export everyday data without uploading it to a processing service.
What the site helps you do
Use a focused workspace to format or validate JSON, XML, YAML, CSV, HTML, CSS, and SQL. Other tools convert structured data, encode text, inspect images, and work with PDF and Office files. Each tool page explains the expected input, a practical example, and limits that matter when you reuse the result.
The homepage opens directly in the JSON Formatter. Search in the header or browse a category guide when you need a different operation. The guides explain why you might choose a viewer, validator, formatter, or converter for the same file.
How processing works
The site is built as static pages. Tool input and uploaded files are processed in your browser, often in a Web Worker so large files do not block the interface. The site has no tool-processing API, user account, or database that receives your content.
Your editor content is not saved by the site. Only the color theme and expanded workspace preference can be kept in your browser's local storage. For details about those preferences and website delivery, see the Privacy Policy.
How to use the results
Formatting makes text easier to read, but it does not prove that a program, configuration, or data conversion is correct for your application. Some conversions simplify nested data or omit document features. Review the examples and limitations on each tool page, then test the output in its destination.
We test tool logic and browser workflows, and we aim to describe known limits plainly. If an example is misleading or a file produces a wrong result, a small, non-sensitive reproduction helps us improve the tool.
Explore the tools
- JSON — Inspect, validate, transform, and generate from JSON.
- XML — Inspect, format, validate, and convert XML documents.
- YAML — Inspect, format, validate, and convert YAML documents.
- CSV — Inspect, format, validate, and convert tabular data.
- Code Formatting Tools — Format HTML, CSS, and SQL for easier review.
- Encoding & Decoding Tools — Encode and decode URL components, Base64, and HTML text.
- Value Converter Tools — Convert timestamps, number bases, and CSS colors.
- Cryptography — Hash, authenticate, and encrypt text in your browser.
- Number Utilities — Convert numbers and text between useful representations.
- Bitwise — Calculate fixed-width bit operations.
- IP — Convert IPv4 addresses into numeric forms.
- Syntax Validation Tools — Check syntax before using code or data.
- AI Developer — Check function tool definitions for AI APIs.
- Checksum Calculators — Detect accidental text changes with CRC values.
- Image — Resize, compress, and convert images locally.
- PDF — Create, extract, and combine PDF files privately.
- Excel — Move spreadsheet rows between XLSX, CSV, and JSON.
- Word — Extract clean content from DOCX or create a document from text.
- PowerPoint — Extract slide text or create a simple presentation from an outline.
Feedback and contact
To report a problem, suggest a tool, or ask a privacy question, visit the Contact page.