Supported File types

Below is a list of the most commonly used file formats. For the complete list of all supported file types and MIME types, visit api.chunkr.ai/file-types.

Documents

File Type	Extension	MIME Type
Adobe PDF	`.pdf`	`application/pdf`
Microsoft Word	`.docx`	`application/vnd.openxmlformats-officedocument.wordprocessingml.document`
Microsoft Word (Legacy)	`.doc`	`application/msword`

Presentations

File Type	Extension	MIME Type
Microsoft PowerPoint	`.pptx`	`application/vnd.openxmlformats-officedocument.presentationml.presentation`
Microsoft PowerPoint (Legacy)	`.ppt`	`application/vnd.ms-powerpoint`

Spreadsheets

File Type	Extension	MIME Type
Microsoft Excel	`.xlsx`	`application/vnd.openxmlformats-officedocument.spreadsheetml.sheet`
Microsoft Excel (Legacy)	`.xls`	`application/vnd.ms-excel`

Images

File Type	Extension(s)	MIME Type(s)
JPEG	`.jpg`, `.jpeg`	`image/jpeg`, `image/jpg`
PNG	`.png`	`image/png`
GIF	`.gif`	`image/gif`
WebP	`.webp`	`image/webp`
TIFF	`.tiff`	`image/tiff`
BMP	`.bmp`	`image/bmp`
SVG	`.svg`	`image/svg`
HEIC	`.heic`	`image/heic`
HEIF	`.heif`	`image/heif`
AVIF	`.avif`	`image/avif`

Text

File Type	Extension(s)	MIME Type(s)
Plain Text	`.txt`	`text/plain`
HTML	`.html`, `.htm`	`text/html`
Markdown	`.md`, `.markdown`, `.mkd`	`text/markdown`

Domains

Chunkr is designed to process a wide variety of documents across numerous domains. Here are some examples:

Domain	Examples
Medical	Patient records, charts, prescriptions, hospital forms, EOBs
Real Estate	Property listings, deeds, appraisal reports, lease agreements, MLS sheets
Education	Homework, exams, syllabi, lecture notes, worksheets
Construction	Blueprints, architectural drawings, plans, permits, inspection reports
Financial	Annual reports, SEC filings, bank statements, loan applications, prospectuses
Billing	Invoices, POs, receipts, utility bills, account statements
Tax	Tax forms (W2, 1040), returns, official documents
Supply Chain	Bills of lading, packing slips, manifests, inventory reports, POs, PODs
Procurement	RFPs, RFIs, RFQs, bids, proposals, SOWs
Legal	Contracts, court filings, briefs, NDAs, ToS, deeds, wills
Government	Official forms, regulations, public notices, legislative docs, census forms
Technical	Manuals, specifications, datasheets, engineering drawings, code docs
Research	Academic papers, scientific articles, thesis, study reports (excluding patents)
Patent	Official patent filings/grants with abstract, claims, drawings
Consulting	Presentations, proposals, reports, case studies
Magazine	Articles, multi-column layouts, image-heavy content
Newspaper	News articles, editorials, classifieds
Textbook	Educational chapters with diagrams, exercises, specific formatting
Historical	Archived documents, letters, manuscripts, old records
Miscellaneous	ID cards, resumes, certificates, flyers, brochures, menus

Request a File Type/Domain

If you don’t see a file type you need, please send us an email to request it. We are always looking to expand our supported formats.

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Features

Security

Supported File types

Documents

Presentations

Spreadsheets

Images

Text

Domains

Request a File Type/Domain

​Documents

​Presentations

​Spreadsheets

​Images

​Text

​Domains

​Request a File Type/Domain

Documents

Presentations

Spreadsheets

Images

Text

Domains

Request a File Type/Domain