AVCHD to WebP Converter

Grab a Still WebP from AVCHD Camcorder Footage: What This Tutorial Covers

AVCHD is the format Sony and Panasonic camcorders record to — H.264/AVC video wrapped in an MPEG transport stream, the .mts (or .m2ts) files on the camera's memory card. This tool pulls a single frame out of that HD video at a timestamp you choose and saves it as a still WebP image — not an animated one. This walk-through covers picking a sharp frame, avoiding the combing you get on interlaced footage, and choosing lossless vs lossy so the still stays small.

How to Convert AVCHD to WebP

1. Upload Your AVCHD File: Drag and drop the .mts/.m2ts file, or click "+ Add Files" to select it. Files are uploaded over an encrypted connection and deleted automatically a few hours after conversion — no sign-up, no watermark.
2. Choose Specific Frame and Set the Time: Under Advanced Options pick Specific Frame, then type the moment to capture into Time (seconds) — for example 2.100 means 2 seconds and 100 milliseconds into the clip.
3. Set Quality, Lossless, and Resolution (Optional): Leave Quality Preset at "Very High" for a crisp photo, or flip Lossless? to Yes for a pixel-exact copy. Keep the source resolution or drop it with Resolution Percentage / Preset Resolutions if you want a smaller web image.
4. Convert and Download: Click "Convert" and save the WebP. It opens in any current browser and most modern image editors.

Walk-through: Picking a Clean Frame and the Right WebP Mode

The two settings that decide whether your still looks good are the timestamp and the lossless toggle.

• Find the exact moment. The Time (seconds) field accepts decimals, so 12.5 is twelve and a half seconds in. AVCHD typically records at 25–30 frames per second, so neighbouring frames are only ~33–40 ms apart — nudge the value by a few hundredths if the frame you land on is mid-blink or mid-blur.
• Photo of a real scene → keep lossy. With Lossless? set to No and Quality Preset on "Very High", a WebP of a photographic frame is roughly 25–34% smaller than the equivalent JPEG at the same visual quality (Google's published figure), which is ideal for putting the still on a web page.
• Screenshot, logo, or text overlay → use lossless. Flip Lossless? to Yes for sharp edges with no ringing; lossless WebP averages about 26% smaller than PNG for the same image.
• Need a thumbnail. Set Preset Resolutions to 480p or 360p, or use Resolution Percentage, to shrink the frame before it's encoded rather than scaling it down afterwards.
• Want several stills, not one? Switch from Specific Frame to Multiple Screenshots to sample frames across the clip at an interval instead of capturing a single moment.

Common Errors and How to Fix Them

• The still shows horizontal "comb" lines on moving objects — Most AVCHD camcorders shoot interlaced 1080i, where each frame is built from two fields captured a moment apart. On a moving subject those fields don't line up, so a single extracted frame can show a comb pattern. Pick a frame where the subject is still (between motions), or grab a frame from a panless, low-motion part of the clip. Footage shot in progressive 1080p (AVCHD 2.0, 2011 onward) has no combing.
• The frame is softer than expected — HD video frames carry motion blur that a real camera shutter would freeze. There's no fix in the file itself; choose a moment where the subject is holding still, and keep Quality Preset at "Very High" so the encoder doesn't add its own softening.
• The WebP won't open in an old app — WebP is supported in Chrome 32+, Firefox 65+, Edge 18+, and Safari 16+ (with partial support back to Safari 14), but some legacy desktop viewers still don't read it. Re-run the conversion to JPG or PNG for maximum compatibility.
• Nothing extracts / the upload stalls — Big .m2ts files are large; on a slow connection the upload, not the conversion, is the bottleneck. Trim the clip first, or extract from a shorter segment.

When This Doesn't Work

If the camcorder footage is copy-protected (some AVCHD discs and managed imports carry protection), the frame can't be extracted until the file is exported as a plain .mts/.m2ts. Frames from heavily compressed or low-bitrate AVCHD clips will show H.264 blocking that no still-image setting can remove — that detail simply isn't in the source. And if you actually wanted a short looping clip rather than a frozen photo, you want an animated format instead: convert the AVCHD to GIF and keep it as a moving image.

Frequently Asked Questions

Does this make an animated WebP or a single still image?

A single still image. The Specific Frame mode captures exactly one frame at the time you enter and writes it as a static WebP. WebP can hold animation, but this tool's still mode does not — if you want motion, use an animated format like GIF instead. Choose Multiple Screenshots if you want several separate still images sampled across the clip.

How do I pick which frame gets captured?

Type the moment into the Time (seconds) field. It accepts decimals, so 5.75 is 5.75 seconds in and 2.100 is 2 seconds plus 100 milliseconds. There's no scrubber preview, so if you miss the moment, nudge the value by a few hundredths of a second — at 25–30 fps each frame is only about 33–40 ms wide — and convert again.

Why does my extracted frame have comb-like lines across it?

Because the clip is interlaced. AVCHD camcorders commonly record 1080i, where one frame is woven from two fields shot a fraction of a second apart; on a moving subject those fields disagree and you see combing. Pick a frame where the subject isn't moving, or extract from low-motion footage. Clips recorded in progressive 1080p don't have this issue.

Should I turn on Lossless for a WebP still?

Use lossless for screenshots, diagrams, logos, or anything with hard edges and text — it's pixel-exact and averages about 26% smaller than PNG. For a photographic frame from real-world footage, leave Lossless? off: lossy WebP at "Very High" looks identical to most eyes and runs 25–34% smaller than the same frame saved as JPEG, so it's the better choice for the web.

Will the WebP keep the AVCHD's date or GPS metadata?

No. You're extracting raw pixels from a single video frame, so the output is a fresh image without the camcorder's recording timestamp or any GPS tags the clip carried. If you need that information, read it from the original .mts/.m2ts before converting.

How big is a WebP frame from 1080p AVCHD footage?

In our testing, a 1920×1080 frame from AVCHD footage saved as lossy WebP at "Very High" quality lands around 150–300 KB depending on scene detail — noticeably smaller than the same frame as JPEG and a fraction of an uncompressed PNG. Turning on lossless or keeping fine detail (foliage, textures) pushes it higher.