Observed arrival · 2026-11-02
C-A-R-T-A: a browser PDF reader for paperwork
C-A-R-T-A presents a free browser-based reader and editor for PDFs, scans, electronic invoices, and digitally signed files.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- People handling signed PDFs, scans, and forms
- Worth noticing
- It distinguishes graphic signature images from digital signatures and explains which AI or OCR actions send text off-device.
Field notes
The page says signed files can be inspected for signer identity and document integrity, including nested signed files and timestamp marks. Electronic invoices can be read as documents and exported to Excel. Its privacy explanation separates on-device work from selected AI and server-OCR functions, which send only the needed text when the user triggers them.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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