TIFF to FLV Converter

How to Convert TIFF to FLV Online

1. Upload Your TIFF Files: Drag and drop or click "+ Add Files" to select one or many .tif / .tiff images. Batch uploads work — the converter can either merge a numbered sequence into a single FLV slideshow or produce one short FLV per image.
2. Set Merge Strategy and Duration: Pick "Merge images" for a single slideshow video or "Video per image" for one FLV per frame. Set Duration (1/60 second up to 10 seconds per frame) — 5 seconds is the default for slideshows; for a 24 fps stop-motion playback choose 1/24 second.
3. Pick Quality, Background Color, and Resolution (Optional): Under Quality Preset choose Very High (default), High, Medium, Low, or Lowest — these map to constant-quality video encoding. Set a Background Color (default Black) for letterboxing when image aspect ratios don't match the chosen resolution. Resolution defaults to Keep original; switch to a Preset (144p through 8K 4320p) or enter custom width/height.
4. Convert and Download: Click Convert. Files are processed on our servers — no sign-up, no watermark. Output is a Flash Video (.flv) container ready for legacy Flash workflows or upload to YouTube, which still accepts .FLV as a source format.

Why Convert TIFF to FLV?

TIFF (Tagged Image File Format) is the archival workhorse of scanning, microscopy, GIS, and print prepress — uncompressed or lossless LZW image files often 10-200 MB each. FLV (Flash Video, introduced September 10, 2003) is a streaming-era container that wraps Sorenson Spark / H.263, On2 VP6, or H.264 video alongside MP3, Nellymoser, Speex, or AAC audio. Adobe Flash Player itself reached end-of-life on December 31, 2020 and no modern browser plays FLV natively, but the format is still useful in narrow scenarios:

• Legacy Adobe Animate / Flash projects — Adobe Animate (the rebranded Flash Professional) still imports and exports FLV when authors maintain SWF assets or legacy interactive courseware for kiosks and offline players.
• YouTube uploads from old archives — YouTube's officially supported upload list still includes .FLV, so a slideshow encoded from scanned TIFFs can be uploaded without first transcoding to MP4. Most creators will get better results with MP4, but FLV remains accepted.
• Stop-motion and time-lapse from TIFF sequences — Photographers and scientists who shoot RAW + TIFF for color fidelity sometimes need a quick playback proxy; a small FLV at 1/24 or 1/30 second per frame plays in VLC and ffplay without a Flash runtime.
• Older Learning Management Systems — Moodle, Blackboard, and SCORM-era e-learning packages built before 2015 frequently expect FLV media; replacing missing assets means re-encoding source TIFFs into the same container format.
• VLC and ffplay desktop playback — VLC, ffplay, MPV, and PotPlayer all decode FLV without Flash Player, so an FLV from a TIFF sequence works fine as a quick desktop preview.
• Forensic and surveillance archives — Older CCTV exporters and forensic-imaging tools wrote FLV; matching that container for a still-image timeline simplifies chain-of-custody handling.

If you have no specific need for FLV, MP4 is the better default in 2026 — see TIFF to MP4 for H.264 / H.265 output, or TIFF to WebM for VP9 / AV1.

TIFF vs FLV — Format Comparison

FLV Video Codec Quick Guide

Frequently Asked Questions

Why would I convert a TIFF to FLV in 2026 when Flash Player is dead?

A small set of workflows still need FLV: Adobe Animate projects that haven't migrated to HTML5, pre-2015 e-learning courseware (SCORM / Moodle / Blackboard), legacy kiosk software, and forensic / CCTV exports. YouTube's upload list also still includes .FLV. For any new project on the open web, convert to MP4 or WebM instead — there's no playback benefit to FLV in modern browsers.

Does the output FLV use H.264 like newer Flash F4V files, or older Sorenson / VP6?

The exact codec is selected automatically based on the FLV container's compatibility rules. Classic .flv files commonly use Sorenson Spark (H.263) or On2 VP6 for broadest player compatibility; H.264-in-FLV (sometimes written as .f4v) plays only in newer Flash-era tools. If you specifically need H.264 video, TIFF to MP4 gives a cleaner, modern-codec result.

How many TIFF images should I upload to build a slideshow?

There is no hard count — upload one image or hundreds. With "Merge images" selected, frames play in filename order (so name them frame_001.tif, frame_002.tif,...). With Duration set to 5 seconds the default, 12 TIFFs become a 60-second FLV; for a 24 fps stop-motion playback set Duration to 1/24 second and a 240-image sequence becomes a 10-second clip.

Will modern browsers play my FLV directly?

No. Chrome, Firefox, Edge, and Safari all removed Flash Player support around or before December 31, 2020 and none decode FLV natively. To play the output you need VLC, MPV, ffplay, PotPlayer, or Adobe Animate. If you need a result that plays natively in modern browsers, use TIFF to MP4 or TIFF to WebM instead.

My TIFFs are different aspect ratios — what happens to the FLV?

The converter scales each frame to fit the chosen resolution and pads the remaining area with the Background Color you set (default black). To avoid letterboxing, either crop your TIFFs to a uniform aspect ratio before uploading or pick "Keep original" resolution when every input TIFF already shares the same dimensions.

Can I add a music track or narration to the FLV?

Not in this converter — TIFF to FLV produces silent video because TIFF carries no audio. To add a soundtrack, render the FLV first, then mux audio in a tool that handles FLV audio tracks (Adobe Animate, FFmpeg with -c:a libmp3lame or -c:a aac). For a simpler audio-included workflow, convert to MP4 and use a video editor that supports the modern container.

Why is my FLV larger than I expected from a few small TIFFs?

FLV uses inter-frame video compression that needs at least a baseline bitrate even on near-static slideshows. Frames are also kept at the chosen Duration each (default 5 seconds), so even 10 TIFFs at default settings produce a 50-second video. To shrink the file, lower the Quality Preset (Medium or Low), reduce the resolution (e.g., 720p instead of original 4K-scan size), or shorten Duration per frame.

Is the resulting FLV safe to upload to YouTube?

Yes — .FLV is listed in YouTube's supported upload formats. YouTube will re-encode the upload to its modern streaming codecs server-side, so the FLV is only used as a transport container. MP4 uploads tend to process faster, but FLV is accepted without error.

Does my FLV play on iPhone, Android, or smart TVs?

Generally no. iOS has never supported Flash or FLV. Android removed native FLV decoding years ago; you need a third-party player like VLC for Android. Smart TVs and consoles (Apple TV, Roku, Fire TV, PlayStation, Xbox) do not list FLV among supported formats. For cross-device playback, convert TIFFs to MP4 (H.264) instead — see TIFF to MP4 or compress an existing FLV with Compress FLV.