Free tools for email and documents

Validate email lists, check SPF/DKIM/DMARC, pull tables out of PDFs and convert Word to Markdown. No sign-up, and everything runs in your browser.

Grade any domain A–F, see its records, and get copy-paste fixes. Checks Gmail and Yahoo bulk-sender basics.

Paste up to 100 emails. Flags bad syntax, dead domains, disposable addresses, role accounts and typos like gmial.com.

Extract tables from invoices, statements and reports into CSV, plus clean page text. The file never leaves your computer.

Turn .docx into clean Markdown with headings, lists and tables, ready for ChatGPT, RAG or GitHub.

More free tools & guides

Pick your email providers and get a valid SPF record, with a live 10-lookup check.

Choose a policy and report address and get a ready-to-paste DMARC record.

Is this a throwaway inbox? Check any address or domain against thousands of temporary email services.

Every sheet of an .xlsx file as a clean Markdown table, with formula results and ISO dates.

Paste CSV or TSV and get a GitHub-flavored Markdown table. The delimiter is detected automatically.

Clean Markdown from HTML, with scripts, styles and navigation stripped out.

Why the 10-lookup limit breaks SPF and five ways to get back under it.

A safe, step-by-step rollout that won't block your own email.

For big lists, automation and integrations (API, Zapier, Make, schedules). Pay only for what you process, with no subscription.

Upload a CSV and get a clean list plus a full report. $0.60 per 1,000 emails.

SPF, DKIM, DMARC, MTA-STS & BIMI for any number of domains. $8 per 1,000 domains.

Pull tables out of PDFs as CSV, plus clean text from every page. $2 per 1,000 pages.

Word, Excel, PowerPoint and PDF to clean Markdown for LLMs and RAG, with chunking. $4 per 1,000 docs.