Detect Fonts Used in a PDFUpload Document or Screenshot
Drop your .pdf file directly, upload a screenshot, or snap a photo of a printed page. High-resolution in-browser rendering with zero server uploads.
Drop a PDF document or screenshot
Upload any .pdf file (multi-page supported), image, or snap a photo with your camera. Rendered 100% locally in your browser.
Drag to select just the text. Tighter crops are far more accurate.
Which word? Pick the one whose font you want.
Check the letters.
Matching
Comparing letter shapes against 1,942+ fonts…
Matched Results
How this was matched
YOUR IMAGE
Getting an accurate result from PDFs
Whether your PDF is a native vector document or a scanned paper, here is how to achieve the most accurate identification.
Drop your .pdf file directly
Our browser engine renders your PDF at 2.5x retina resolution for razor-sharp character measurement without losing quality.
Inspect any page in the file
If your document has multiple pages, use the built-in page switcher toolbar to jump right to the chapter or heading you need.
Read internal PDF properties
In Acrobat, press File → Properties → Fonts. If a name has a prefix like "ABCDEF+Helvetica", the family name is Helvetica.
Visual AI matching for scans
Scanned papers have no embedded fonts. Our visual AI isolates individual glyphs and matches their letterform geometry against 1,942+ fonts.
How to find fonts in a PDF document
PDF (Portable Document Format) files handle typefaces in two primary ways: either by embedding vector font outlines into the document structure, or by flattening text into raster bitmaps (common with book scans, faxes, and print-ready exports).
Method 1: Direct visual AI identification (All PDF types)
Upload your PDF file directly into FontsFinder AI. Our client-side rendering pipeline converts the desired page into high-DPI raster representations, allowing you to crop a single line of text. The AI isolates the letter glyphs, measures baseline, x-height, stroke contrast, and stem terminal shapes, and matches them against thousands of Google Fonts and type foundries.
Method 2: Reading embedded font lists
If your document is a digital PDF containing live text:
- Adobe Acrobat: Open File → Properties → Fonts to inspect all embedded font families and encoding formats (TrueType, Type 1, OpenType).
- Apple Preview (macOS): Open Tools → Show Inspector (⌘I) → Fonts.
- Chrome / Firefox PDF Viewer: Some browser viewers allow highlighting text to inspect properties via DevTools.
What does a subset-tagged font name mean?
Embedded fonts frequently appear with a six-letter random prefix followed by a plus sign, like ABCDEF+SourceSerifPro-Regular. That prefix is an optimization tag indicating a font subset (only glyphs used in the document were embedded). You can ignore the prefix—the typeface family is the part after the plus sign.
Frequently asked questions
Can I upload a multi-page PDF document directly?
Yes! You can drag and drop or upload any .pdf file directly. FontsFinder AI renders the document pages in high-resolution PNG right inside your browser with multi-page navigation controls.
How do I see the fonts in a PDF without this tool?
Most PDF readers expose embedded metadata. In Adobe Acrobat, File → Properties → Fonts lists embedded fonts. In Preview on macOS, Tools → Show Inspector → Fonts. However, if the PDF is scanned or flattened, visual font matching is required.
What if the PDF is a scan or flattened vector?
A scanned PDF contains no embedded font metadata, only raster images. FontsFinder AI's AI letterform recognition measures the character geometry and finds the exact or closest matching typefaces.
Are my confidential PDF documents uploaded to your servers?
No. All PDF processing and letterform matching occurs 100% locally in your web browser. Your document never leaves your machine.