Free Online Rephrase Tool

Purpose & User Intent: The tool solves the problem of rewriting text without altering core meaning, enabling tone adaptation and audience tailoring. It serves writers, students, editors, and content teams who need faster drafting, a consistent voice, or adaptation for different audiences. Typical use cases include rewriting paragraphs, summaries, emails, policy notes, and product descriptions while preserving factual content. Core Logic & Features: Required inputs include source text, language, and a tonal setting; optional controls include max length, preserve names, and formality constraints. Advanced features add context-aware word substitutions, sentence reordering, and style-constrained variants; outputs include paraphrased text, word/character counts, and an optional similarity score. Inputs & Outputs: Inputs are text (string, required), language (string, optional, default en), tone (neutral/formal/informal/academic, optional); max_words (integer, optional). Outputs are paraphrase_text (string), word_count (integer), and similarity_score (float 0-1, optional). Sample values: text='...', language='en', tone='formal', max_words=120. Algorithms & Calculations: The tool uses a layered approach consisting of lexical substitution with a synonym set, controlled syntactic reordering, and minimal edits to preserve meaning. It preserves named entities and numeric data; when max_words is set, the result is constrained to that length; otherwise it aims for a natural length close to the original, prioritizing readability. Error & Edge Cases: Empty input or missing text triggers an error condition; inputs with unsupported language may fallback or reject the request; extremely long inputs may be chunked for sequential paraphrasing; ambiguities in tone or context may produce multiple variants requiring user review. Industry/Region & Localization: Primarily English with planned multilingual support; units rely on word and character counts; locale considerations are limited to tone and style defaults; privacy practice assumes transient processing with no long-term storage. Assumptions & Exclusions: Assumes user-provided content; not a translation tool; cannot guarantee exact semantic equivalence in all contexts; does not perform formatting changes or media edits; excludes enforcement of specific copyright or compliance checks.