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Supports: TIFF, TIF
TIFF (Tagged Image File Format) is the archival standard photographers, scanner operators, GIS analysts, and prepress shops use because it preserves every pixel without lossy compression and supports layers, multi-page scans, CMYK, and 16-bit colour depth. The catch: TIFF files are huge, most browsers (Chrome, Firefox, Edge) cannot render them inline, and most consumer media players cannot play a sequence of TIFFs as a slideshow. ASF (Advanced Systems Format) is Microsoft's streaming container — released publicly on 26 February 1998 and natively supported in Windows Media Player 12 — wrapping Windows Media Video / Audio (and optionally VC-1) so the resulting file plays back inside legacy Windows tooling without third-party codecs.
| Property | TIFF | ASF |
|---|---|---|
| Type | Raster image (single or multi-page) | Streaming media container |
| Created by | Aldus (Adobe) 1986 | Microsoft, public release Feb 1998 |
| Latest spec revision | TIFF 6.0 (1992) + extensions | ASF 01.20.03 (Dec 2004) |
| Typical codecs / compression | Uncompressed, LZW, ZIP/Deflate, PackBits, JPEG, ZSTD | WMV1/2, WMV3 (VC-1), WMA, MP3, AAC inside |
| Colour depth | 1, 4, 8, 16, 32 bits/channel, CMYK, Lab | 8-bit YUV via underlying video codec |
| Audio | None | Yes (WMA1/2, AAC, MP3, PCM) |
| Browser playback | Not natively rendered in Chrome / Firefox / Edge | Not natively rendered; needs WMP or VLC |
| Best use | Archival imagery, scans, prepress | Legacy Windows playback, intranet streaming |
| Reverse it | ASF to TIFF | TIFF to MP4 for modern playback |
| Preset | Approx. CRF (H.264 fallback) | Bitrate target (1080p) | Use case |
|---|---|---|---|
| Highest | ~16 | 12–18 Mbps | Archival masters, evidentiary |
| Very High (default) | ~20 | 6–10 Mbps | Client proof reels, signage |
| High | ~23 | 4–6 Mbps | General slideshow, intranet |
| Medium | ~26 | 2–4 Mbps | Web preview, e-mail attachment |
| Low | ~30 | 800 kbps – 1.5 Mbps | Quick share, throwaway |
| Lowest | ~34 | <800 kbps | Smallest possible file |
The honest answer: only if a downstream tool requires it. ASF / WMV is a legacy Microsoft container with no current spec updates since 2004, and Windows 11 ships with the Media Player app (not classic WMP 12) which now also plays MP4 / H.264 natively. The genuine reasons to still pick ASF are (a) a Windows-only enterprise LMS or PowerPoint 2010-era template that refuses non-WMV inputs, (b) a hardware kiosk that only decodes Windows Media, or (c) you are matching an existing archive's format for consistency. For any new project, TIFF to MP4 is the better choice.
Five seconds per image is the comfortable default for human review (long enough to read a document, short enough to keep attention). Drop to 2–3 seconds for product photo reels where the viewer just needs to scan, or up to 8–10 seconds for dense engineering drawings, contract pages, or evidentiary stills. For motion-flythrough use (sequential aerial photos, time-lapse), pick a sub-second value: 1/10 or 1/24 second per frame approximates true video.
Yes — TIFF supports multi-page files (common with scanners and fax software), and each page is treated as an individual frame in the output ASF. A 12-page contract scan becomes a 12-frame slideshow. Set Image Duration to the per-page dwell time you want. If you want individual ASFs instead, upload the multi-page TIFF and pick "Video per image" — though for true per-page output, splitting the TIFF first with a tool like TIFF to PDF and back is more reliable.
ASF wraps a video codec (H.264 by default in our pipeline, or WMV2/WMV3 if you switch the codec for legacy Windows Media Player), and slideshow frames where nothing changes between images compress poorly compared to true motion video — there are no inter-frame deltas to exploit at scene cuts. A 10-image slideshow at 5 s/frame can run 5–20 MB at 1080p Very High. Drop Quality Preset to Medium or Low, or reduce the resolution preset (1280x720 instead of 1920x1080), to cut size by 60–80 %.
No — TIFF is image-only, so unless you upload audio separately the resulting ASF is silent (video-only). Most players (WMP, VLC) handle silent ASFs without issue. If you need audio narration over the slideshow, generate the ASF first, then mux audio in a separate step with a tool that supports both tracks.
Not by default. macOS Quicktime does not ship ASF/WMV decoders, and Linux distros require the gstreamer-libav or ffmpeg packages. The reliable cross-platform answer is VLC, which plays ASF on every major desktop OS for free. If your audience is mixed-platform, convert to TIFF to MP4 instead — H.264 in MP4 plays everywhere natively.
Yes — pick "Keep original" in the resolution section and the output ASF will match the largest input TIFF dimensions (other smaller TIFFs are centred and padded with the chosen Background Color). Note that the ASF video codecs require even-numbered width and height, so a TIFF that is 4287x2861 will be rounded to 4286x2860 internally. For high-resolution archival scans (>4K), expect substantially larger output and longer encode times.
ASF is the container; WMV is the most common video codec stored inside that container. Microsoft documents .wmv as "ASF files that include audio, video, or both compressed with Windows Media Audio and Windows Media Video codecs," so the underlying bytes are nearly identical — the file extension just signals intent to the OS. Pick .asf when a tool explicitly asks for it (older streaming servers, some DVR systems), pick .wmv when you want clearer association with Windows Media in file managers.
Yes. Upload all the TIFFs you want sequenced, leave "Merge images" selected (it is the default for image-to-video), and the converter will output a single ASF with each TIFF rendered for the duration you set. To control order, rename your files with a numeric prefix (01_cover.tiff, 02_intro.tiff, ...) before upload — files are sequenced in upload order, which usually follows filename sort. For purely batch conversion (one ASF per TIFF), pick "Video per image" instead, or see Image to ASF which covers mixed-format batches.