Browse the library
Every category and subcategory in one place. Each file has its own page with a full spec sheet, an inline preview, and one download button.
Images
93 files
Noise ladders, format sets, resolution ladders, and edge cases.
Audio
29 files
Reference tones and silence-documented auto-trim fixtures.
Documents
42 files
PDFs, Office files, and text encodings for parsers and OCR.
Data
80 files
CSV, JSON, XML, YAML, and SQLite — clean and deliberately messy.
Templates
40 files
Usable starting-point documents you can download and edit.
Archives
20 files
ZIP, TAR, gzip, 7z, and ISO — nested, unicode, empty, and encrypted.
E-books
6 files
EPUB, FB2, and CBZ — valid, intentionally invalid, and comic archives.
Models
17 files
3D and CAD formats — STL, OBJ, 3MF, DXF, STEP, IGES, and EPS.
Fonts
4 files
TTF, OTF, WOFF, and WOFF2 — one demo typeface across formats.
Video
14 files
MP4, WebM, MKV, MOV, AVI, and OGV — one clip across the common codecs.
4 files
RFC 822 .eml messages and .mbox mailboxes for email parsers.
Forms
Live examples
Live, interactive form examples with real client-side validation.