JPEG to FLV Converter

JPEG to FLV Converter

JPEG is the everyday still-image format from a camera or phone; FLV (Flash Video) is a legacy container that once carried streaming video across the web. This converter doesn't animate anything — it holds your single JPEG on screen for a duration you choose and wraps that frame in an .flv file, which is only useful when something downstream specifically still expects Flash Video. The reference tables below explain both formats so you can decide whether you actually need FLV or should target a modern container instead.

JPEG Format at a Glance

FLV Format at a Glance

How to Convert JPEG to FLV

1. Upload Your JPEG File: Drag and drop or click "+ Add Files" to load one or more .jpg, .jpeg, or .jfif images. Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically a few hours after conversion.
2. Set Duration and Merge Strategy: Under Advanced Options, set Duration (how long the still is shown — default "5 seconds per frame") and choose Merge images to combine several photos into one FLV, or Video per image for a separate FLV per file.
3. Set Background Color and Quality (Optional): Background Color (default Black) fills any letterbox area when your image's aspect ratio doesn't match the output frame; Quality Preset (default "Very High") and Video resolution control sharpness and frame size.
4. Convert and Download: Click "Convert" and download your FLV. No sign-up, no watermark.

Frequently Asked Questions

Is the FLV format still maintained in 2026?

No. FLV is a deprecated, proprietary container tied to Adobe Flash Player, and Adobe ended Flash Player support on December 31, 2020, then began blocking Flash content from running on January 12, 2021. No current browser plays FLV natively and no major platform asks for it. Output FLV only when a specific legacy system requires .flv; for anything you'll share or play normally, convert your photo with JPEG to MP4 instead.

Does converting a JPEG to FLV add motion or animation?

No. A JPEG is a single static frame, so the result is that one frame held on screen for the Duration you set (default 5 seconds) — there is no panning, zooming, or animation. To assemble several stills into a sequence, upload multiple files and keep the Merge images strategy; each photo is shown for the Duration in upload order.

Which video codec does the FLV output use?

The FLV container historically carried Sorenson Spark (an H.263 variant), On2 VP6, and later H.264/AVC. For a single still image the encoder targets a standard, broadly compatible FLV video stream so the file opens in legacy Flash-era players; FLV carries no audio here because a JPEG has no soundtrack to include.

Will the FLV preserve my JPEG's quality?

Not exactly. FLV re-encodes your image into a video frame, and the classic FLV codecs are lossy, so in our testing a high-detail photo shows mild softening of fine textures and gradients versus the source JPEG — similar to a moderate JPEG re-save. For a title card or simple graphic the difference is hard to notice; if pixel-level sharpness matters, target a modern container with JPEG to MP4.

How is this different from converting a JPEG to MP4?

Both wrap your still image into a held-still video clip; the difference is the container. FLV depends on the retired Flash Player and won't play in modern browsers or on phones, while MP4 (H.264) plays natively almost everywhere. Choose FLV only for a legacy Flash workflow; otherwise use JPEG to MP4, JPEG to GIF for a short looping image, or Image to Video to build a slideshow from several photos.

My FLV won't play — how do I open or fix it?

That's expected: no mainstream browser decodes FLV after Flash's retirement. Play the file in a desktop player such as VLC, which still decodes FLV, or convert it to a modern format with FLV to MP4. If you only needed a playable clip of your photo in the first place, skip FLV entirely and convert the original JPEG straight to MP4.