Free LaTeX & Academic Tools
20 free tools for students and researchers — 10 AI-powered and 10 instant in-browser utilities. Part of the LetX academic workspace.
AI tools
Citation Generator
Generate accurate citations in APA, MLA, Chicago, IEEE, Harvard, and Vancouver, and export BibTeX for LaTeX. Free AI citation generator, no signup required.
PDF Summarizer
Summarize any research paper in seconds. Upload a PDF or paste an arXiv link to get key findings, methodology, and extracted BibTeX. Free AI PDF summarizer.
Paraphrasing Tool
Paraphrase academic text in 5 modes (Formal, Concise, Fluent, Simple, Academic). LaTeX-safe — preserves equations, \cite{}, and \ref{}. Free, no signup.
Abstract Generator
Generate 3 professional abstract variations from your paper details. IMRaD-aware, discipline-specific, word-count controlled. Export as LaTeX or text. Free.
Thesis Statement Generator
Generate 5 strong thesis statement variations instantly for essays, Masters dissertations, and PhD research. Discipline-aware and academic-level calibrated. Free.
Research Outline Generator
Generate structured outlines for any paper type — empirical, literature review, thesis, or systematic review. Editable and exportable to LaTeX. Free, no signup.
Journal Finder
Find the best journal for your paper with semantic abstract matching. Scope-fit scores, open-access filters, and submission guidance. Free, unbiased, no signup.
Equation to LaTeX
Convert handwritten or printed math to LaTeX instantly. Upload an image or describe an equation in plain English. Free, no signup, with live KaTeX preview.
AI Content Detector
Detect AI-generated text in academic writing with sentence-level probability scores. Free, private, and built for students and researchers. No signup.
AI Humanizer
Rewrite AI-generated academic text to read naturally. LaTeX-safe — preserves equations and \cite{} commands. 3 rewriting modes. Free, no signup required.
Free in-browser utilities
Word Counter
Count words, characters, and sentences instantly, with reading time and keyword density. Free online word counter that runs entirely in your browser. No signup.
PDF Merge & Split
Merge multiple PDFs or split and extract pages, 100% in your browser. No upload, no signup — your files never leave your device. Free online PDF tool.
Readability Checker
Check readability with Flesch-Kincaid, Gunning Fog, SMOG, and more. See grade level and reading ease for your writing. Free, in-browser, no signup.
Text Case Converter
Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and more — instantly in your browser. Free, no signup.
GPA Calculator
Calculate weighted GPA from letter grades and credit hours, with cumulative GPA support. Free online GPA calculator that runs in your browser. No signup.
LaTeX Table Generator
Generate LaTeX table code instantly. Paste CSV or fill a grid and get clean tabular/booktabs output to copy into your document. Free, in-browser, no signup.
Statistics Calculator
Compute mean, median, mode, standard deviation, variance, and quartiles from any list of numbers. Free online statistics calculator in your browser. No signup.
Text Diff Checker
Compare two texts side by side with word-level change highlighting. Spot additions and deletions instantly. Free, in-browser text diff tool. No signup.
Image to PDF
Convert JPG, PNG, or WEBP images into a single PDF. Reorder, resize, and download — 100% in your browser. Free image-to-PDF converter, no signup.
Markdown to LaTeX
Convert Markdown to LaTeX in your browser — headings, lists, and math preserved. Copy the code or open the result in the LetX editor. Free, no signup.
Written by Shihab Shahriar Antor — AI Engineer & Founder of Shahriar Labs. Builder of LetX (collaborative LaTeX) and QuantumSketch (AI STEM video).