Free eBay Seller Tools for 2026
Listing, fee, and research tools for eBay sellers — built around the 80-character Cassini title limit, category-specific final value fees, item specifics that drive search, and how buyers filter on eBay in 2026.
Free eBay SEO Tools
Cassini, eBay's search engine, ranks by title match, item specifics completeness, seller performance, and sale-through rate. These tools cover the on-page side: title, item specifics, and listing structure.
Free eBay Listing Generators
eBay titles are capped at 80 characters and item specifics drive both ranking and the left-rail filters buyers use. These generators give you titles, descriptions, and item specific sets that work with Cassini, not against it.
Title Generator
ListingGenerate eBay titles that pack maximum keyword density into the 80-character Cassini limit.
Description Generator
ListingGenerate an eBay-ready description with a spec table, bullet list, and policy block buyers actually read.
Category Finder
ListingDescribe your product, get the three best-fit eBay leaf categories with reasoning and confidence scores.
Item Specifics Generator
ListingGenerate 8-14 eBay item specifics (Brand, MPN, Color, Size, Material…) ranked by buyer importance for your category.
Free eBay Fee & Profit Calculators
eBay's fees change by category, store subscription, and promoted listing tier. These calculators show your real take-home — final value fee, payment processing, store discount, and promoted listing rate included.
Fee Calculator
PricingSee your real eBay take-home: insertion fee, final value fee, and per-order payment processing breakdown.
FVF Calculator
PricingCalculate eBay final value fee by category — rates vary 3% to 15% depending on what you sell.
Profit Calculator
PricingPlug in price, shipping, and costs to see your real eBay take-home after final value fee and payment processing.
Promoted Listings Calculator
PricingCalculate eBay Promoted Listings cost, break-even ad rate, and profit after final value fee — per sale and monthly.
Store Subscription Calculator
PricingFigure out which eBay Store tier (Starter, Basic, Premium, Anchor, Enterprise) saves you the most by listing volume.
Shipping Fee Calculator
PricingEstimate eBay shipping cost vs. what you charge buyers — see your true per-order shipping profit or loss.
Free eBay Keyword & Category Research
Pick the right category to unlock the right item specifics, and find the long-tail keywords buyers type into eBay search rather than Google.
How eBay SEO (Cassini) works in 2026
Paste your item
Brand, model, condition — that's all we need. No eBay account link, no auth tokens.
Get a Cassini-ready listing
Title under 80 chars, item specifics filled, fee math done. Built around how Cassini actually ranks in 2026.
List with confidence
Know your real take-home before you list. Promoted-listing math included so you don't get fee surprises.
Cassini, eBay's search engine, weights three things: title relevance (does your title match the query?), item specifics completeness (are all the structured filters filled in?), and seller performance (defect rate, on-time shipping, return handling). Newer than Amazon, more flexible than Etsy — but unforgiving on incomplete listings.
Titles are capped at 80 characters. Lead with the brand and model, then the key descriptors a buyer would type. Don't waste characters on "L@@K", "NEW", or punctuation — Cassini ignores them and they push real keywords out of the title.
Item specifics are the underrated ranking lever in 2026. Every required and recommended item specific you fill in (brand, model, size, color, material, MPN, EAN) makes your listing eligible for more buyer filters and search queries. eBay actively prioritizes listings with complete specifics.
Sale-through rate and listing freshness matter. eBay rewards listings that sell, then keeps boosting them. A listing that sits for 30 days with no sales loses visibility — which is why the auto-relist / GTC strategy and competitive pricing matter as much as the title.
In the queue
eBay Sold Items Checker
ResearchComing soon — get notified.
Frequently asked questions
Doing this for 500 listings?
Free tools are great for one listing. Elite generates ranked titles, tags, and descriptions for every eBay listing in bulk — one CSV in, one ZIP out.
- 500 bulk rows / month
- Competitor gap analyzer
- Magic rewrite & bulk export
- 7-day free trial
