Negative Keyword Tool
Build a negative keyword list from a search terms report.
All Tools
Every one of our 1329 tools in one place — free, no sign-up, and all of them run inside your own browser.
1329 free tools
11 categories
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Robots.txt Tester
Check which URLs your robots.txt actually allows and blocks.
Duplicate Content Checker
Compare two pages and find the passages they share.
Heading Structure Checker
See the H1 to H6 outline and every level it skips.
Title Tag Length Checker
Measure title tags in pixels, the way Google actually truncates them.
Breadcrumb Schema Generator
Turn a page path into BreadcrumbList JSON-LD.
Duplicate Line Remover
Remove repeated lines from a list without losing the order.
PESTLE Analysis Generator AI
The six external forces on your business, AI or instant.
Engagement Rate Calculator
Engagement rate against followers, reach or impressions — your choice.
Marketing Attribution Calculator
Compare first touch, last touch and linear across four channels.
Email Spam Checker
Find the spam triggers in an email before you send it.
Product Description Generator AI
Shop-ready product copy from a few features, AI or instant.
Promotional Email Generator AI
Sale and offer emails that lead with the deal, AI or instant.
TikTok Hook Generator AI
First-three-seconds hooks for short video, AI or instant.
Lead Conversion Rate Calculator
Work out what share of your leads turn into customers.
Annual Recurring Revenue Calculator
Turn MRR into ARR, with a growth projection for the year ahead.
QR Code Marketing Generator
A QR code for a UTM-tagged campaign link, ready to print.
Email List Comparison
Compare two lists: in both, only in one, only in the other.
Disposable Email Checker
Spot throwaway and temporary mailboxes in a list.
Invoice PDF to Excel
Convert invoice PDFs into a real Excel workbook — fields, line items, or both.
Invoice Table Extractor
Pull any table out of an invoice PDF into columns you can paste into a spreadsheet.
Invoice Email Validator
Check the email addresses you send invoices to — syntax, typos and throwaway domains.
Invoice Company Number Validator
Check company registration numbers on invoices — UK prefixes, and the shape elsewhere.
Invoice API Generator
Generate the API call that creates an invoice — Stripe, Xero, QuickBooks or your own REST API.
E-Invoice Converter
Convert between UBL, CII, XRechnung, Factur-X XML, invoice JSON and CSV — and print it.
Invoice Description Formatter
Tidy messy line descriptions: casing, whitespace, abbreviations and length.
Invoice Debit Note Generator
A debit note for an under-billing, with the reason and the tax on the addition.
Invoice Credit Note Generator
A properly formed credit note, with the reason and the tax credited back.
Invoice Terms & Conditions Generator
A full terms block for the back of an invoice, built from clauses that do work.
Invoice in ZAR
Bill in rand with 15% VAT and the details SARS requires on a tax invoice.
Credit Invoice
Cancel or reduce an invoice you have already issued, with the reason recorded.
Photography Invoice Generator
Shoot fees, usage licence, retouching and expenses on one photography invoice.
Estimate to Invoice
Turn an accepted estimate or quote into a numbered invoice without retyping it.
Simple Invoice Generator
The fewest fields that still make a valid invoice — for a quick one-off bill.
Invoice Generator
Build a professional invoice in your browser and print, download or export it.
HEX Color Validator
Check whether a colour code is valid, and fix it if not.
Theme Color Generator
Generate matching light and dark themes from one colour.
Monochromatic Palette Generator
Build a whole palette from one hue, and nothing else.
Color Mixer
Blend two colours and see every step between them.
HEX to SwiftUI Color
Turn a HEX code into SwiftUI Color, UIColor and NSColor code.
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