Why Your Ad-Platform Match Rate Is Low
8apps Team ·
The upload worked, the audience is tiny. Work through these causes in order – most low match rates are one formatting mistake, found in under ten minutes.
#hashing
6 articles
Hash Email Addresses Correctly in Google Sheets
8apps Team ·
Email hashing fails on casing, invisible spaces and Gmail's dot rules – not on the hash. The normalisation order that makes digests actually match, platform by platform.
Hashing Is Not Anonymisation
8apps Team ·
A hashed customer list feels safe to share. European regulators – and arithmetic – disagree. What SHA-256 actually protects, what it doesn't, and how to handle hashed PII honestly.
MD5, SHA-1 or SHA-256 for Customer Data?
8apps Team ·
The tool offers five algorithms; the upload needs exactly one. What Google, Meta and TikTok actually accept, how to recognise each digest on sight, and the one-line rule.
Salted vs Unsalted Hashes for Audience Uploads
8apps Team ·
Security guides say always salt your hashes. Ad platforms can't match salted data. Both are right – here's the difference, and what it means for how you handle upload files.
Share a Customer List with Your Agency – Without the PII
8apps Team ·
Your agency needs the audience, not the addresses. Hash the list in Sheets before it leaves your hands – matching still works, and the raw data stays home.