Free research tools
Deterministic, free tools for researchers, authors, and journal editors — no login, no paywall, no AI guesswork. Where JCF can calculate, match, or verify something directly, it does; a tool is never a ranking or a quality verdict.
Identifiers
Journal Tools
Journal Resolver
Resolve a journal title or ISSN to its canonical JCF journal record.
Journal Indexing Checker
Check what indexing evidence JCF has for a journal — Scopus, SCImago, MEDLINE, PubMed, PMC, DOAJ, Embase.
Journal Compare
Compare indexing, publication activity, and journal intelligence across multiple journals.
Citation & References
Article Lookup
Manuscript & Submission Tools
Table Converter
Convert a pasted table between CSV, TSV, Markdown, HTML, and JSON.
CSV Cleaner
Trim, deduplicate, and normalize a CSV file entirely in your browser.
Reference Duplicate Finder
Find confirmed and probable duplicate entries in a pasted bibliography.
Abstract Checker
Check an abstract's word count, structure, and common submission-readiness facts.
Manuscript Compare
Compare an original and revised manuscript with word-level highlighted differences.
Figure Size Checker
Check an image's pixel dimensions, DPI, and file size against journal requirements you enter.
Reviewer Response Builder
Organize reviewer comments and your responses into a structured, exportable table.
PDF & Document Tools
Merge PDF
Combine multiple PDFs into one, in the order you choose.
Split / Extract PDF
Extract selected pages or page ranges from a PDF into a new file.
Rotate / Reorder PDF
Reorder, rotate, or remove pages in a PDF, then download the result.
JPG/PNG to PDF
Combine JPG or PNG images into a single downloadable PDF.
PDF to JPG/PNG
Export selected PDF pages as JPG or PNG images.
Add Text to PDF
Place visible text — names, dates, initials, notes — onto a PDF's pages.
Sign PDF
Place a drawn, typed, or uploaded visible signature onto a PDF.
Certificate Generator
Create a printable certificate PDF from information you enter. Not a JCF-verified certificate.