Explore the test library

Search files, editable visual templates, and live browser targets from one registry-backed directory. Filtered query views stay crawlable for links but are deliberately noindex; the stable taxonomy pages below remain the canonical search surfaces.

Filter the library

SearchTypeCategorySubcategoryFormatUse caseLive targetSort

402 results

Page 10 of 17; 24 results per page.

Show the canonical directory

MP4 — Colour Bars (Silent)

Silent colour-bar twin of the bars+tone clip — for audio-presence detectors.

File: MP4 · Bars · 480x270
Use case: Conversion testing· Paired fixture

MP4 — Colour Bars + 1 kHz Tone

SMPTE-ish colour bars with a 1 kHz reference tone — classic QC fixture.

File: MP4 · Bars · 480x270
Use case: Conversion testingAudio analysis· Paired fixture

MP4 — Countdown Digits

On-screen countdown digits burned into frames — for OCR and slate detection.

File: MP4 · Edges · 480x270
Use case: Conversion testingOCR testing

MP4 — Freeze Frame Segment

Motion, then a one-second frozen segment, then motion again — for freeze detection and VFR edge cases.

File: MP4 · Edges · 480x270
Use case: Conversion testing

MP4 — H.264 Clip

A short H.264 test clip in an MP4 container (yuv420p, faststart) — the most widely supported web and mobile video format. Video-only and tiny; for testing players, thumbnailers, and MP4→other conversion.

File: MP4 · Mp4 · 480x270
Use case: Conversion testing

MP4 — Hard Scene Cut

A short H.264 clip with an abrupt mid-point colour scene cut — for scene-detection and keyframe tooling.

File: MP4 · Edges · 480x270
Use case: Conversion testing

MP4 — Hard-Burned Caption

Video with a SAMPLE caption burned into the pixels (not a soft subtitle track) — for OCR/caption-burn detection.

File: MP4 · Edges · 480x270
Use case: Conversion testingOCR testing

MP4 — Hard-Burned Caption (EN)

Hard-burned EN SAMPLE caption for OCR language tests.

File: MP4 · Subs · 480x270
Use case: Conversion testingOCR testing· Conversion set

MP4 — Hard-Burned Caption (ES)

Hard-burned ES SAMPLE caption for OCR language tests.

File: MP4 · Subs · 480x270
Use case: Conversion testingOCR testing· Conversion set

MP4 — Hard-Burned Caption Twin

Hard-burned caption twin of the soft-sub clip — for burn-in detection and OCR.

File: MP4 · Subs · 480x270
Use case: Conversion testingOCR testing· Paired fixture

MP4 — Landscape 16:9 Twin

Short 16:9 SAMPLE clip at 480x270 for aspect-ratio and social-crop tooling.

File: MP4 · Aspect · 480x270
Use case: Conversion testing· Conversion set

MP4 — Landscape Wide

Additional aspect SAMPLE (640x360) for social and player testing.

File: MP4 · Aspect · 640x360
Use case: Conversion testing· Conversion set

MP4 — Letterbox Bars

Content framed with black letterbox bars — for autocrop and aspect-ratio tools.

File: MP4 · Edges · 480x270
Use case: Conversion testing

MP4 — Pillarbox Bars

Content with vertical pillarbox bars — for autocrop tools.

File: MP4 · Edges · 480x270
Use case: Conversion testing

MP4 — Portrait 9:16

Short 9:16 SAMPLE clip at 270x480 for aspect-ratio and social-crop tooling.

File: MP4 · Aspect · 270x480
Use case: Conversion testing· Conversion set

MP4 — Portrait Soft

Additional aspect SAMPLE (360x640) for social and player testing.

File: MP4 · Aspect · 360x640
Use case: Conversion testing· Conversion set

MP4 — Rotate Metadata 180°

SAMPLE clip tagged/encoded for 180° rotation — for orientation-aware players.

File: MP4 · Rotate · 480x270
Use case: Conversion testing· Conversion set

MP4 — Rotate Metadata 270°

SAMPLE clip tagged/encoded for 270° rotation — for orientation-aware players.

File: MP4 · Rotate · 480x270
Use case: Conversion testing· Conversion set

MP4 — Rotate Metadata 90°

SAMPLE clip tagged/encoded for 90° rotation — for orientation-aware players.

File: MP4 · Rotate · 480x270
Use case: Conversion testing· Conversion set

MP4 — Soft Subtitle Track

Short clip with a SAMPLE soft subtitle track (mov_text) — twin to the hard-burned caption.

File: MP4 · Subs · 480x270
Use case: Conversion testingSubtitle parsing· Paired fixture

MP4 — Solid Blue Field

Short solid blue field SAMPLE for colour and flash QC detectors.

File: MP4 · Edges · 480x270
Use case: Conversion testing

MP4 — Solid Gray Field

Short solid gray field SAMPLE for colour and flash QC detectors.

File: MP4 · Edges · 480x270
Use case: Conversion testing

MP4 — Solid Green Field

Short solid green field SAMPLE for colour and flash QC detectors.

File: MP4 · Edges · 480x270
Use case: Conversion testing

MP4 — Solid Red Field

Short solid red field SAMPLE for colour and flash QC detectors.

File: MP4 · Edges · 480x270
Use case: Conversion testing