46 tools · organized by the job they do
Free Writing & Text Tools
Rewrite, proofread, measure, clean and understand text for clearer everyday communication. Browse focused groups, search by outcome and compare adjacent workflows before choosing where to begin.
Suggested starting points
See all 46 Begin with a focused writing task
These editorial selections cover several common entry points without implying usage rankings.
AI Humanizer / HumaniserRevise stiff, repetitive or overly uniform prose with local editorial suggestions or optional AI assistance, while checking important facts and citations.Paraphrasing & Rewriting ToolRephrase text with conservative local edits or optional AI assistance while checking facts, quotations, citations and important identifiers.Sentence RewriterRewrite one to five sentences for clarity, concision or style with local suggestions, optional AI alternatives and preservation checks.Readability CheckerCompare recognized reading-ease and grade-level estimates with sentence and complex-word context.Word CounterCount words, characters, sentences and paragraphs while reviewing reading time and useful word-frequency context.Character CounterMeasure user-visible characters, whitespace, words and structural text counts with Unicode-aware behavior.
Complete category catalogue
Explore all 46 writing tools
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Rewrite, Humanize & Transform
11AI Humanizer / HumaniserRevise stiff, repetitive or overly uniform prose with local editorial suggestions or optional AI assistance, while checking important facts and citations.Paraphrasing & Rewriting ToolRephrase text with conservative local edits or optional AI assistance while checking facts, quotations, citations and important identifiers.Sentence RewriterRewrite one to five sentences for clarity, concision or style with local suggestions, optional AI alternatives and preservation checks.Paragraph RewriterHandle paragraph rewriter as part of a focused writing workflow. Paragraph ExpanderHandle paragraph expander as part of a focused writing workflow. Text SummarizerCondense text into an extractive summary, key points or an optional AI-assisted abstractive summary with meaningful length controls.Text SimplifierMake complex text easier to read with safe local clarity edits or optional AI restructuring, supported by readability comparisons and preservation warnings.Text ExpanderHandle text expander as part of a focused writing workflow. Article RewriterHandle article rewriter as part of a focused writing workflow. Tone RewriterHandle tone rewriter as part of a focused writing workflow. Formal-to-Informal ConverterTransform formal-to-informal converter with clear source and output choices.
Grammar, Proofreading & Corrections
8Writing Analysis & Quality
8Readability CheckerCompare recognized reading-ease and grade-level estimates with sentence and complex-word context.Repetition CheckerFind repeated content words, phrases and accidental consecutive duplicates in your text.Wordiness CheckerReview potentially wordy phrases, redundant wording, filler and unusually long sentences.Cliche CheckerFind a focused set of common clichés and overused expressions in sentence context without treating every familiar phrase as an error.Transition Word CheckerAnalyze supported transition words and phrases by count, category, density, sentence context, repetition, and paragraph distribution.Sentence Length AnalyzerMeasure sentence length, variation and real distribution while highlighting sentences above your threshold.Vocabulary Diversity AnalyzerMeasure unique words, type-token ratio, MATTR, hapax terms and repeated-word concentration.Text Difference CheckerCompare two editable texts with proven word and line diffs, real addition/deletion counts, and inline or side-by-side views.
Counters & Measurement
4Word CounterCount words, characters, sentences and paragraphs while reviewing reading time and useful word-frequency context.Character CounterMeasure user-visible characters, whitespace, words and structural text counts with Unicode-aware behavior.Sentence CounterCount sentences and inspect their shortest, longest, average and median word lengths.Paragraph CounterCount paragraph blocks and compare their words, sentences and relative lengths.
Text Utilities & Formatting
15Case ConverterChange editable text between practical letter-case styles with Unicode-aware browser processing and a real before-and-after summary.Reverse TextReverse user-perceived characters, words, line order, or characters within each line while preserving Unicode grapheme clusters.Small Text GeneratorMap supported letters and numbers to real small-cap, superscript or subscript Unicode characters with transparent fallback counts.Invisible Character ToolGenerate, identify and explicitly remove common invisible Unicode characters with verified names, code points, counts and positions.Text CleanerRemove selected whitespace and formatting noise with independent cleanup options, editable output and a factual operation report.Duplicate Line RemoverDeduplicate multiline text while preserving line order with explicit case, whitespace, blank-line, keep-first and keep-last rules.Sort LinesOrder lines alphabetically, naturally, numerically or by length with stable locale-aware comparison and explicit blank-line handling.Randomize LinesShuffle complete lines with Fisher–Yates, browser cryptographic randomness by default, and an optional deterministic seed.Find & Replace TextPreview and replace literal words or phrases with explicit first/all, case-sensitive and Unicode whole-word controls.Markdown CleanerNormalize selected Markdown whitespace and block formatting while protecting fenced code, inline code, URLs, tables, and escaped syntax.HTML to TextConvert supplied HTML source into readable plain text while ignoring executable or non-content elements and preserving useful document breaks.Text to HTMLConvert plain text into escaped paragraph, line-break, or clearly recognized list HTML and preview only the generated safe structure.Slug GeneratorCreate transparent URL path slugs with lowercase, separator, punctuation, diacritic, Unicode, repeated-separator, and maximum-length controls.Acronym GeneratorCreate deterministic acronym and initialism variants and inspect exactly which included phrase word supplies each letter.Title Capitalization ToolApply generic title case, sentence case, or every-word capitalization with protected terms, acronym preservation, hyphen handling, and word-level reasons.
Choose with context
A practical guide to writing & text workflows
The best tool is the one that matches the input, decision and destination—not simply the broadest label.
Move from rough text to a useful draft
Writing work rarely starts with a perfect sentence. Rewriting and transformation tools help reshape tone, simplify dense passages, expand a short idea or compare two versions. Choose the narrowest tool for the job: a sentence rewriter for a difficult line, a paragraph tool for local structure, and an article tool only when the whole draft needs attention.
Check quality without surrendering judgment
Grammar, punctuation and proofreading utilities can surface patterns that deserve a second look, while readability and sentence analysis reveal pace, variation and density. These signals support editing; they do not replace subject knowledge, house style or a careful final read. Preserve names, quotations and technical terms when making changes.
Prepare text for its next destination
Counters and formatting utilities are useful before a manuscript, post, form or content-management system receives the text. You can inspect length, remove duplicated lines, normalize capitalization, clean markup or compare revisions. For sensitive material, review the processing note on the eventual functional tool before submitting content.
Common outcomes
What you can work on
Tool outputs support review and decision-making. They do not replace professional judgment, source verification or the rules of the platform receiving your work.
Choose a task-specific utility, check the input requirements, and review the result before using it downstream.
Choose a task-specific utility, check the input requirements, and review the result before using it downstream.
Choose a task-specific utility, check the input requirements, and review the result before using it downstream.
Choose a task-specific utility, check the input requirements, and review the result before using it downstream.
Processing should match the task
Catalogue search runs locally in your browser. Functional tools will identify when work can stay browser-local and when a server, authorized public data source or semantic service is necessary. No universal privacy or outcome guarantee is implied.
Continue the workflow
Related categories
Move into adjacent work without losing the context of the task you started.
Helpful answers
Writing & Text questions
Clear guidance for choosing and using the catalogue responsibly.
What can ScholarTool writing tools help with?
The catalogue covers rewriting, proofreading, readability, word and character measurement, text comparison, cleanup and formatting tasks.
Which tool should I use for a single awkward sentence?
Start with Sentence Rewriter or Sentence Checker. For broader tone or structure changes, choose the paragraph or article-level option.
Are writing scores the same as a human editor’s judgment?
No. Automated signals can highlight patterns, but context, accuracy, voice and purpose still require human review.
Can I use these tools for academic writing?
Yes for editing and analysis, but follow your institution’s authorship, citation and permitted-assistance policies.
Do the tools support British and American spelling?
Capabilities vary by tool. Check the options and examples on a functional tool page before relying on a specific language convention.
How do I choose between proofreading and rewriting?
Proofreading focuses on correctness; rewriting changes expression or structure. Use proofreading when the meaning and voice are already right.
Will my formatting be preserved?
Plain-text tools may not retain rich document formatting. Document-aware workflows belong in Documents & Files.
Can I find a tool by describing my problem?
Yes. Search understands tool names, related phrases and task language such as cleaning text or checking grammar.
Part of the ScholarTool ecosystem
Explore ScholarTool's Full Free Technical Tools Collection One practical collection, with more depth when you need it
ScholarTool Free Tools brings everyday writing, content, file and discovery workflows together. Continue to the main ScholarTool site for its wider technical tools collection.