This API is able to detect any spelling or grammar errors in your application. Submit text and receive a JSON response with potential errors and suggested corrections.

It is a powerful tool for correcting the capitalization that text should have quickly and easily. With this API, you can easily format text to meet various style guidelines,

Validate, pretty print or minify structured data documents, flatten nested documents to dot notation and back, compare two documents field by field, and convert arrays of records to and from spreadsheet friendly text.

Compare two texts by lines, words or characters and get a structured difference plus a unified patch, like version control tools produce. Built for change tracking, reviews and audit logs.

Three everyday text tools in one place: turn any text into a clean web address slug (accent safe), get text statistics such as words, sentences and reading time, and generate placeholder paragraphs for mockups and demos.

Clean untrusted web markup in one call: strip scripts, event handlers and dangerous attributes to prevent injection attacks, while keeping safe formatting. Three cleaning profiles plus a custom allowed tag list.

Validate and format identity and business document numbers with correct check digit verification. Confirm whether a number is valid and generate valid sample numbers for software testing.

Score the readability of any English text. Returns Flesch-Kincaid, Gunning Fog, SMOG, ARI scores, sentence-level breakdown, improvement suggestions, and target grade pass/fail in one call.

Streamline your processes using our Document Number Format Validation Check for accurate MRZ and document number formats.

A high-performance text purification API designed for TTS workflows. Automatically cleans messy text and prevents Edge-TTS engine errors.

JSON Clean API converts JSON documents into a readable format with line breaks and indentations. It supports entries up to 200,000 characters.

Boost your email campaigns' effectiveness using our Email Address Accuracy Checker API for precise validation.

Streamline complex information using the Technical Writing Technical Writing Readability API for clear communication.

Make your content accessible to all users with the Accessibility Compliance Accessibility Compliance Readability API.

Boost student understanding with the EdTech Readability Improvement API designed for educational content.

Enhance your content's clarity with the Content Marketing Content Marketing Readability API for better engagement.

Ensure your legal documents are crystal clear with the Legal Compliance Legal Compliance Readability API.

Increase user engagement by enhancing readability with the User Engagement User Engagement Readability API.

Analyze and improve academic texts with the Academic Readability Analysis API for robust insights.

Optimize your SEO strategy by improving readability with the SEO Optimization SEO Optimization Readability API.

Convert lightweight markup documents into clean sanitized web markup, styled print ready documents or editable word processor files, with real heading styles, lists, tables and code blocks.

Fuzz testing input data for validation layers: malformed strings, boundary values, control characters. 16 field types, reproducible seeds; each value explains what it breaks.

Malformed and hostile string test data for input handling: control characters, null bytes, encoding edge cases. Reproducible seeds, and every value explains what it breaks.

Integer and floating-point edge cases: int32/int64 limits, NaN, infinity, denormals, and IEEE 754 rounding. Deterministic seeds, and every value explains what it breaks.

Ensure accurate speech generation with the Precision TTS Text Formatter and Purifier API, perfect for professional applications.