COA analyzer
Drop a certificate here
PDF or photo. It is read on this device and never uploaded.
Or paste the certificate text
How this works
PDFs are read with pdf.js. Photos and scanned PDFs are read with Tesseract, an open-source text recogniser, which downloads its language model to your browser the first time. Your file is never sent to Tested.ph or anyone else.
The analyzer looks for the fields a buyer should check, then runs the red-flag checklist: a batch you can match to your vial, an identity result and not just purity, a named method, a way to verify the report with the lab, and a signature. If it recognises the compound, it compares any printed mass with the molecule's expected mass and its common charge states.
It never says a document is fake. Text recognition makes mistakes, and only the issuing laboratory can confirm a report is theirs. For Janoshik reports, use the lab key verifier.
Questions
- Is my certificate uploaded anywhere?
- No. The file is opened and read inside your browser tab. Nothing about it is sent to Tested.ph. Only the text-recognition engine itself is downloaded the first time you read a photo.
- Why does it say a field is missing when I can see it?
- Text recognition can misread small print, tables or stamps. Paste the certificate text instead, or check the field by eye. A missing field in the analyzer is a prompt to look, not a finding.
- Can it tell me if a COA is fake?
- No tool can tell that from the document alone. It can show what is missing and whether figures are consistent. To confirm authenticity, verify the report with the lab that issued it, through the lab's own website.