Function Index Docs Formula Builder Blog Try for free →
Functions indexed 96
Formulas built 0
Docs pages 500+
Excel Reference Pro 2027
The Excel reference
built for the AI era
Every function documented. An AI formula builder that actually works. The Excel reference site power users deserve.
Live Code Engine
Watch real formulas write in real time
Speed
formulas.xlsxFORMULA
ln 0ch 0
writing
macros.basVBA
ln 0ch 0
writing
functions.xlamλ FUNC
ln 0ch 0
writing
AI Formula Builder
Describe it in
plain English

Tell xlsdocs what you need your spreadsheet to do — get the exact Excel formula with a full breakdown of every argument.

xlsdocs — AI Formula Builder
Powered by Claude
Generating your formula
Your formula will appear here
Try an example or type your own description
FORMULAExcel 365
Open full Formula Builder →
What's inside
Everything a power user
actually needs

A complete Excel reference, AI formula generation, and deep docs — all in one place.

AI Formula Builder
Describe what you need in plain English. xlsdocs writes the formula, explains every argument, and links you to the full function reference page.
// Plain English → Production Formula
"Find sales rep with highest Q4 revenue"

=INDEX(SalesRep, MATCH(MAX(Q4_Revenue), Q4_Revenue, 0))
Powered by Claude
96 Functions Indexed
Every Excel function across 8 categories — searchable, filterable by version, with live counts. Find what you need in under 3 seconds.
Always current
λ
Deep Doc Pages
Every function gets a full page — syntax, parameters, live try-it widget, examples, error reference, and a version compatibility matrix.
Excel 365 · 2021
Ask Claude Inline
Every doc page has a built-in Claude chat panel. Ask questions about the function you're reading — no tab switching needed.
Contextual AI
Pro 2027 Design
Three-column docs layout, command palette, auto-TOC, reading progress, print/PDF styles, mobile drawers. Built to the standard of Linear and Vercel.
Fully responsive
Excel Blog
Deep dives, tutorials, and practical guides covering Excel functions, Power BI, web performance, and developer tools. Updated regularly.
2026 · 2027

Used by analysts at

Pricing
Simple, transparent pricing

Start free. Upgrade when you're ready. No hidden fees.

Free
$0
forever
Everything you need to get started.
  • Full function index
  • All documentation pages
  • AI formula builder (10/day)
  • Blog access
  • Ask Claude inline
  • Formula history
Enterprise
Custom
contact us for pricing
For teams that need control and dedicated support.
  • Everything in Pro
  • SSO / SAML
  • Custom AI prompts
  • Dedicated CSM
  • SLA guarantee
  • White-label option

All plans include a 14-day free trial. No credit card required.

Start for free
The Excel reference
you've been waiting for

96 functions documented. An AI builder that explains every argument. Deep docs built to the standard you'd expect.

No sign-up required · Free forever plan · Powered by Claude