Free Online ISO 14289-1:2014 Validator
Free online PDF/UA-1 accessibility checker.
Upload any PDF up to 20 MB to inspect structural tags (/StructTreeRoot), PDF/UA-1 XMP metadata, headings, figure alt text, table header scopes, form tooltips, and scanned OCR readiness.
Free online validator
Upload a PDF for instant PDF/UA-1 validation
Upload a PDF up to 20 MB for an instant clause-by-clause readiness check and plain-English remediation estimate. Uploaded files are deleted immediately after analysis.
Drop a PDF here, or click to browse
Evaluates structural tags, document language, heading order, image alt text, table headers, form tooltips, and scanned text layers.
Select PDF fileRunning veraPDF 1.30.3 inspection (first check after idle may take ~20 seconds)…
Common ISO 14289-1 (PDF/UA-1) failures we remediate
| ISO 14289-1 Clause | Typical Validator Error | Engineering Fix |
|---|---|---|
| Clause 5 | PDF/UA identifier missing | Adds synchronized XMP pdfuaid:part=1 conformance stream. |
| Clause 6.2 & 7.1 | Document not tagged / Content not marked as Artifact | Builds logical /StructTreeRoot and artifacts running page headers/footers. |
| Clause 7.2 & 7.4 | Missing /Lang, broken <LI>/<LBody>, or skipped headings | Sets natural language and repairs sequential <H1>–<H6> & list trees. |
| Clause 7.3 | <Figure> missing alternative text | Writes contextual /Alt descriptions verified against visual page context. |
| Clause 7.5 | <TH> missing /Scope or non-cell inside <TR> | Assigns explicit Row/Column Scope and normalizes table row cells. |
| Clause 7.18 | Untagged AcroForm widgets, missing /TU, or missing /Tabs /S | Binds widgets via /OBJR, adds human-readable tooltips, and sets structure tab order. |
| Clause 7.21 | Unembedded fonts or incomplete CIDSet stream | Embeds missing subset metrics and normalizes CIDSet without changing visible layout. |
FAQ
Frequently asked questions
Is this online PDF/UA checker free and private?
Yes. Checks up to 20 MB are free with no sign-up required. Files are inspected in an isolated temporary directory and deleted immediately upon response (0 files retained).
How does this compare to PAC 2026 on Windows?
PAC 2026 (Windows-only) and veraPDF 1.30.3 both evaluate ISO 14289-1:2014 (PDF/UA-1) machine rules. Our online checker runs veraPDF 1.30.3 on Mac, Linux, and Windows and translates clause numbers into plain-English WCAG 2.1 AA action items.
How much does turnkey PDF/UA remediation cost if my file fails?
Fixed-scope packages start at $65 (up to 12 pages), $195 (reports/tables up to 30 pages), and $390 (scanned OCR or fillable AcroForms). US digital agencies receive $2.00–$6.50/page white-label wholesale rates plus a free 24-hour sample.
Have a failing PDF backlog? Test a free 24-hour sample
Send one 3–10 page PDF or public domain URL. We return a pixel-identical ISO 14289-1 (PDF/UA-1) remediated file with 0 failed veraPDF 1.30.3 rules and an itemized quote.