Reference Format Converter - Free Online Tool - Small Study Tools
Research & Referencing · Citation Styles

Reference Format Converter

Enter a reference once, convert it instantly between APA, MLA, Chicago, Harvard, IEEE, Vancouver, AMA and ACS. Fully usable on mobile.

Pro Version is Free for now
✓ Batch Convert a Whole Reference List · Print/PDF Export
Day Night
How this works
Fill in the reference details once, pick a style, and the converter formats it correctly, following that style's real rules.
📋 Reference Details
Paste an existing reference and try to auto-fill the fields below. Approximate, please check the result.
🔄 Convert To
Fill in the reference details above to see the converted result here.
Export
📚 Batch Convert PRO
One reference per line, any style
📖 Reference Style Basics
1APA and Harvard use author-date in-text citations, common in social sciences.
2MLA is standard for literature and humanities papers in the US.
3Vancouver, AMA, and ACS use numbered references, common in medicine and science.
`); w.document.close(); }// ── BATCH CONVERT (Pro) ────────────────────────────────────────── function renderBatchStyleOptions(){ const el = document.getElementById('batchStyle'); el.innerHTML = STYLE_LIST.map(s => ``).join(''); } function runBatchConvert(){ if(!guardControl()) return; const raw = document.getElementById('batchInput').value; const lines = raw.split('\n').map(l => l.trim()).filter(Boolean); const targetStyle = document.getElementById('batchStyle').value; const resultsEl = document.getElementById('batchResults'); if(!lines.length){ resultsEl.innerHTML = '
Paste one or more references above, one per line.
'; return; } resultsEl.innerHTML = lines.map(line => { const parsed = quickParse(line); const type = parsed.doi || parsed.volume ? 'journal' : (parsed.url ? 'website' : 'book'); const out = formatReference(targetStyle, type, parsed) || 'Could not confidently parse this line'; return `
${escHtml(line)}
${out}
`; }).join(''); toast(`Converted ${lines.length} reference${lines.length===1?'':'s'} to ${STYLE_LIST.find(s=>s.key===targetStyle).label}`); }// ── INIT ────────────────────────────────────────────────────── renderStylePills(); renderBatchStyleOptions(); try{ const m = localStorage.getItem('sst_refc_mode'); if(m === 'pro') setAppMode('pro'); }catch(e){}

How to Use the Reference Format Converter

From one reference to any citation style in seconds. Fully usable on mobile.

1
Choose a Source Type
Pick Website, Journal Article, or Book to see the right fields.
2
Fill In or Auto-Fill
Type the details, or paste an existing reference and try Quick Parse.
3
Pick a Style
Choose from APA, MLA, Chicago, Harvard, IEEE, Vancouver, AMA, or ACS.
4
Copy or Go Pro
Copy or download TXT free, or unlock batch convert and PDF in Pro.

Every conversion runs inside your own browser. No account, no tracking, nothing ever uploaded.

Specifications
Price Free
Data Handling Never leaves your browser
Styles Supported APA · MLA · Chicago · Harvard · IEEE · Vancouver · AMA · ACS
Pro Features Batch Convert · Print/PDF Export
Platform Optimized for Web & Mobile
Found a bug or something not working right? Let us know and we'll fix it. Every report helps make this tool better.
Report an Issue

Reference Format Converter, Free and Online

A reference format converter takes one reference and reformats it correctly into a different citation style, so you don't have to manually rebuild it by hand every time a professor, journal, or employer asks for a different one. This one covers APA, MLA, Chicago, Harvard, IEEE, Vancouver, AMA, and ACS, with an optional Quick Parse to auto-fill fields from a reference you already have, and Pro mode to convert a whole reference list at once.

Switching citation styles partway through a project is one of the most common, most tedious problems in academic writing, a supervisor wants Harvard, a journal wants Vancouver, a co-author already has a reference list in MLA. This reference format converter handles the actual reformatting. Enter the author, year, title and source once, choose whether it's a website, journal article, or book, and pick a target style, and the tool builds the reference following that style's real punctuation, ordering, and structure rules rather than a rough approximation. Quick Parse can pull the year, DOI, URL, and a first attempt at the author, title and source out of a reference you paste in, saving retyping, though it's always worth a quick check before you rely on the result. Pro mode adds batch conversion, paste an entire reference list and switch every line to a new style in one step, plus Print and PDF export.

What Actually Changes Between Styles
Same Facts, Different Order, Punctuation, and Emphasis

Author, year, title, and source never change between styles, only how they're arranged, what gets italicized, and where the punctuation falls. That's exactly what a converter can automate reliably, and exactly why doing it by hand invites small, easy-to-miss errors.

1Simple vs Pro, What Each Mode Includes

FeatureSimple ModePro Mode (Free)
All 8 citation styles, single referenceIncludedIncluded
Website, journal article, and book fieldsIncludedIncluded
Quick Parse auto-fill, Copy and TXT exportIncludedIncluded
Batch convert a whole reference listNot includedIncluded
Print / PDF exportNot includedIncluded

2Citation Styles, Quick Reference

APA & Harvard
Author-date, social sciences
MLA
Literature & humanities
Chicago
History & general academic
Vancouver, AMA & ACS
Numbered, medicine & science

The mistake that trips up most people converting a reference by hand isn't getting the format wrong, it's forgetting to change every part of it. Someone switching APA to MLA will often remember to move the title into quotation marks but forget that the author's initials format differently, or leave a parenthetical year in place when the target style doesn't use one at all. A converter applies the whole rule set consistently every time, which is the actual value it adds over a style guide you have to re-read for every single reference.

3Where the Name "Vancouver Style" Actually Comes From

Vancouver style is named after an actual meeting, not a metaphor. In 1978, a small group of editors from major general medical journals, including the Annals of Internal Medicine, The Lancet, JAMA, and the New England Journal of Medicine, met informally in Vancouver, British Columbia, to agree on a single, uniform format for manuscripts submitted to their journals. That informal gathering became known as the Vancouver Group, and its requirements for citations and references were published the following year by the U.S. National Library of Medicine. The group eventually grew into the International Committee of Medical Journal Editors, which still updates the style's recommendations today, but the citation style itself kept the name of the city where five journal editors first sat down and decided medicine needed one shared way to cite a source.

QuestionQuick Answer
Where does Vancouver style get its name?A 1978 meeting of medical journal editors in Vancouver, Canada
What group came out of that meeting?The Vancouver Group, later the ICMJE
When were the citation requirements first published?1979, by the U.S. National Library of Medicine
Who maintains Vancouver style today?The International Committee of Medical Journal Editors (ICMJE)
Privacy Note

Every conversion runs inside your own browser using JavaScript, nothing is uploaded or sent to a server, and no account or signup is required.

4Frequently Asked Questions

How do I convert a reference to a different citation style?
Enter the reference details, author, year, title, and source, into the fields, or paste an existing reference and use Quick Parse to auto-fill them. Then pick the style you need from APA, MLA, Chicago, Harvard, IEEE, Vancouver, AMA, or ACS, and the converter formats it correctly for that style.
Can this tool read a reference I already have and convert it automatically?
Quick Parse will try to auto-fill the fields from a pasted reference, picking up the year, DOI, and URL reliably, and making a best effort at the author, title, and source. Because reference formats vary so much, this is approximate, always review the filled fields before generating your final reference.
What is the difference between APA, MLA, and Chicago style?
APA and Chicago (author-date) both lead with the author and year and are common in social sciences. MLA leads with the author and puts the title in quotation marks, and is standard in literature and humanities writing in the US. All three format the same underlying information differently, which is exactly what this converter automates.
What are Vancouver, AMA, and ACS styles used for?
Vancouver and AMA are numbered citation styles used mainly in medicine and health sciences, where references are numbered in the order they first appear rather than alphabetized. ACS follows similar numbered or author-year conventions and is used in chemistry. This converter supports all three alongside the more common humanities and social science styles.
Can I convert a whole list of references at once?
Yes, in Pro mode. Paste a full reference list, one reference per line, choose a target style, and the tool converts every line at once, so a whole works cited or bibliography section can be switched to a new required style in one step.
Is my data private when I use this converter?
Yes. Every conversion runs inside your own browser using JavaScript, nothing is uploaded or sent to a server, and no account or signup is required.

Grounded in a peer-reviewed academic account of the 1978 Vancouver meeting and the ICMJE's own history, not a generic citation claim with no source. The full article is available via the National Center for Biotechnology Information. For related tools on this site, see the CiteGrab extension and the full SmallStudyTools.com tool library.

Lilly
Here to help you find a tool
Search tools Search blogs
Try me to find a tool! 👋