Content & SEO
Headlines, search previews, keywords and social posts.
Private by design: files never leave your device
Every tool you need to write, study, build and create
Humanize AI text, fix citations, format your thesis, compress PDFs, convert video and images, build a CV, and handle everyday design and code jobs. It all runs in your browser, so it's fast, private and free of watermarks.
No uploads No watermarks Works on slow networks APA · MLA · Harvard · IEEE Nigerian thesis format
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Document Checker & Academic ProofreaderGrammar, spelling, punctuation, academic tone (first-person refactoring) and full document structure with one-click fixes.Originality & AI DetectorEstimates how much of a manuscript an AI-writing detector would flag, passage by passage, using a model calibrated on real AI-detection reports. Also checks citations and compares the text against your own indexed sources.Stealth HumaniserRewrite stiff or machine-sounding text into natural prose across 5 levels. Each result is scored by an AI-writing detector, and citations, quotations and statistics are checked to be unchanged.Paraphraser & ThesaurusReword sentences in six modes, suppress AI em dashes, lock key terminology, and tap any word for contextual synonyms.British ↔ American SpellingChange every British or American spelling in one click, or review them one by one. Follows your reference style; quotations, web addresses, reference entries and names are left as written.Numbers & Statistics CheckerRecomputes the sums, percentages, p-values, effect sizes, chemistry and physics in your text, shows the working, and fixes what is wrong. Also names the analysis methods you used and what each one still needs to report.Citation Generator & Reference AuditorCite from DOI, ISBN, URL or title in any style (APA, Harvard, MLA, Chicago, IEEE, Vancouver) or audit full reference lists to catch AI hallucinations.Research & Topic StarterTurn any research topic into an outline and starter draft with real citations, or scan pasted text with Cite For Me to identify missing citations.Thesis & Manuscript FormatterFormat complete theses, dissertations, and journal manuscripts in Word (.docx) with table of contents, roman prelims, and verified citations.PDF ManagerAll-in-one in-browser PDF workspace: merge, split, reorder, rotate, delete pages, add page numbers, watermarks and digital signatures.PDF CompressorCompress large scanned PDFs and documents for email and portal uploads directly in your browser with zero data uploads.Document ConverterClient-side document and image conversions: PDF to Word (.docx), Word to PDF, Images to PDF, and PDF to Images.Document & Scan OCRClient-side OCR: read and extract text from scanned documents, photos and PDFs across 100+ languages with zero data egress.Studio RecorderRecord your screen, camera/webcam, or voice microphone with crystal clear audio directly in browser.CV & Cover Letter BuilderBuild ATS-friendly professional CVs in minutes (PDF or Word) and generate matching tailored cover letters from job adverts.
Writing & grammar
Check grammar, reword, find better words and review whole documents.
Document Checker & Academic ProofreaderGrammar, spelling, punctuation, academic tone (first-person refactoring) and full document structure with one-click fixes.Originality & AI DetectorEstimates how much of a manuscript an AI-writing detector would flag, passage by passage, using a model calibrated on real AI-detection reports. Also checks citations and compares the text against your own indexed sources.Stealth HumaniserRewrite stiff or machine-sounding text into natural prose across 5 levels. Each result is scored by an AI-writing detector, and citations, quotations and statistics are checked to be unchanged.Paraphraser & ThesaurusReword sentences in six modes, suppress AI em dashes, lock key terminology, and tap any word for contextual synonyms.Academic SummariserShorten long articles, chapters and reports into concise executive summaries, bullet points, and core academic implications.Text Cleaner & Case FormatterFix text copied from PDFs: broken lines, hyphens, spaces, em dashes, and convert letter cases (UPPER, lower, Title Case, camelCase).British ↔ American SpellingChange every British or American spelling in one click, or review them one by one. Follows your reference style; quotations, web addresses, reference entries and names are left as written.Text CompareSide-by-side diff engine to see exactly what changed between two versions of a document or passage.Word Counter & ReadabilityWords, characters, reading and speaking time, Flesch-Kincaid readability grade, and long-sentence warnings.
Academic & research
Find papers, cite in any style and format projects and theses.
Numbers & Statistics CheckerRecomputes the sums, percentages, p-values, effect sizes, chemistry and physics in your text, shows the working, and fixes what is wrong. Also names the analysis methods you used and what each one still needs to report.Citation Generator & Reference AuditorCite from DOI, ISBN, URL or title in any style (APA, Harvard, MLA, Chicago, IEEE, Vancouver) or audit full reference lists to catch AI hallucinations.Research & Topic StarterTurn any research topic into an outline and starter draft with real citations, or scan pasted text with Cite For Me to identify missing citations.Thesis & Manuscript FormatterFormat complete theses, dissertations, and journal manuscripts in Word (.docx) with table of contents, roman prelims, and verified citations.Scholar Search & BibliographySearch 250M+ open scholarly papers with 1-click citations, manage your saved bibliography, and find openly licensed research figures with citations.
PDF tools
Merge, split, organise, compress, sign and stamp PDFs.
Convert
Documents, images and data from one format to another, plus OCR.
Document ConverterClient-side document and image conversions: PDF to Word (.docx), Word to PDF, Images to PDF, and PDF to Images.Document & Scan OCRClient-side OCR: read and extract text from scanned documents, photos and PDFs across 100+ languages with zero data egress.Image StudioConvert (JPG, PNG, WebP, AVIF, HEIC), compress, resize to exact dimensions or presets (passport, banners), and crop images.Data ConverterConvert structured data between CSV ↔ JSON, JSON ↔ YAML, and Markdown ↔ HTML with instant preview.Unit ConverterConvert length, weight, area, volume, temperature, speed, time and digital storage units.
Video & audio
Convert, compress, trim and record video and audio.
Studio RecorderRecord your screen, camera/webcam, or voice microphone with crystal clear audio directly in browser.Video StudioCompress, trim, convert (MP4, WebM, MOV, MKV), create GIFs, remove audio tracks, and capture frames in-browser with WebAssembly.Audio StudioConvert audio files (MP3, WAV, M4A, OGG) or extract high-quality audio tracks directly from video files.
Developer
Format, encode, decode, test and generate.
Encoder & Token InspectorEncode and decode Base64 text and files, parse URL query parameters, and inspect JWT headers, payloads and expiry.Security & ID GeneratorGenerate SHA-256/MD5 hashes, random UUIDs (v4), and strong secure passwords on your device.Code & JSON FormatterFormat, validate, beautify and minify JSON, HTML, CSS, JavaScript, and SQL.Regex TesterTest regular expressions with live regex match highlighting, capturing groups, and explanations.
Design
Colours, contrast, gradients, shadows and icons.
CV & career
A CV recruiters read, and a matching cover letter.
Create a free account to unlock more tools and bigger files.
Some tools are for members or PRO and Academic. Paper search uses OpenAlex, DOI details come from Crossref, and academic proofreading uses ProsePen's sovereign academic engine.