JPG vs MTS
A detailed comparison of JPEG Image and AVCHD Video — file size, quality, compatibility, and which format to choose for your workflow.
Short answer: these formats serve completely different purposes — JPG is a photo image format (single still image, lossy compression); MTS is an AVCHD video file (high-definition camcorder format, AVCHD = Advanced Video Coding High Definition).
They commonly appear in the same workflow because camcorders typically save BOTH JPGs (still photos) AND MTS (video clips) on the same memory card. Sony, Panasonic, and Canon consumer/prosumer camcorders default to AVCHD format which uses the .mts (or .m2ts on Blu-ray) extension.
JPG vs MTS at a glance
| Dimension | JPG | MTS |
|---|---|---|
| Type | Image (single photo) | Video (AVCHD camcorder) |
| Standard | JPEG (ISO/IEC 10918) | AVCHD (Sony+Panasonic 2006) |
| Codec inside | JPEG (lossy DCT) | H.264 video + Dolby AC-3 audio |
| File size (typical) | ~3-5 MB per photo | ~25 MB per minute HD |
| Resolution | Up to 8K (camera-dependent) | 1080p Full HD typically |
| Universal playback | ✅ Every device | ⚠️ Camera + dedicated software |
| Common cameras | All digital cameras | Sony, Panasonic, Canon camcorders |
| Typical workflow | Direct upload to web | Convert to MP4 for editing/sharing |
When should you use JPG vs MTS?
JPG Use when…
- Single photographs — direct from camera or smartphone
- Web image attachments — anywhere
<img>is the right element - Sharing photos via email or social — universal compatibility
- Photo storage — 5-10× smaller than uncompressed RAW
MTS Use when…
- Recording HD video on Sony/Panasonic camcorder — native format, no conversion needed at capture
- Archiving original camcorder footage — preserves source quality
- Editing in Sony Vegas, AVCHD-aware NLE — native format support
Avoid MTS for: web embedding (browsers don't play MTS), social media (most platforms reject), email (recipient probably can't open). For these, convert MTS → MP4.
Best format by use case
Take a photo
JPG is the universal photo format.
Winner: JPGRecord HD video on camcorder
MTS is the camcorder native format.
Winner: MTSWeb embed
JPG works in `<img>`; MTS needs conversion to MP4.
Winner: JPGEmail attachment
JPG plays everywhere; MTS rarely opens for recipient.
Winner: JPGEdit in pro NLE
NLEs support MTS natively for camcorder workflow.
Winner: MTSJPEG Image
Raster & Vector ImagesJPEG is the most widely used lossy image format on the web. It achieves small file sizes through adjustable compression, making it ideal for photographs and complex images where some quality loss is acceptable.
About JPG filesAVCHD Video
Video FilesMTS (AVCHD) is a high-definition video format from Sony and Panasonic camcorders.
About MTS filesStrengths Comparison
JPG Strengths
- Excellent compression ratio for photographs (10:1 or better without visible quality loss).
- Universal support — every camera, phone, OS, and browser reads JPEG natively.
- Adjustable quality setting balances file size against visual fidelity.
- Embeds EXIF metadata (camera model, GPS, exposure) automatically.
- Progressive rendering for graceful loading over slow networks.
MTS Strengths
- Native format for every AVCHD camcorder since 2006.
- H.264 compression — small files for high-def quality.
- Direct compatibility with iMovie, Premiere, Resolve, Final Cut.
- Carries Dolby Digital 5.1 audio on flagship camcorders.
Limitations
JPG Limitations
- Lossy — every save degrades the image further (generation loss).
- No transparency channel (use PNG or WebP for that).
- Visible compression artifacts on text, sharp edges, and flat colors.
- Limited to 8 bits per channel — poor for HDR or print work.
- Baseline JPEG tops out at 65,535 × 65,535 pixels.
MTS Limitations
- Slow to decode — editors typically transcode for editing.
- Proprietary folder-structure conventions complicate direct import.
- Largely legacy as smartphones replaced dedicated camcorders.
- 192-byte packet format adds overhead vs plain TS.
Technical Specifications
| Specification | JPG | MTS |
|---|---|---|
| MIME type | image/jpeg | video/mp2t |
| Compression | Lossy — Discrete Cosine Transform + quantization + Huffman coding | — |
| Color depth | 8 bits per channel (24-bit RGB or 8-bit grayscale) | — |
| Max dimensions | 65,535 × 65,535 pixels (baseline) | — |
| Transparency | Not supported | — |
| Typical quality | 75–90 for web, 95+ for print | — |
| Extension | — | .mts |
| Container | — | BDAV MPEG-2 Transport Stream (192-byte packets) |
| Video codecs | — | H.264 (AVCHD Main/High Profile) |
| Audio codecs | — | AC-3 (Dolby Digital), LPCM |
Typical File Sizes
JPG
- Phone photo (12 MP, quality 85) 2–5 MB
- Web thumbnail (400px) 20–60 KB
- Full-page magazine photo 500 KB – 2 MB
- Social-media square (1080×1080) 100–400 KB
MTS
- 1 min HD AVCHD (17 Mbps) ~130 MB
- 1 hour AVCHD Full HD ~8 GB
Technical deep dive: JPG vs MTS
Two formats with no real technical relationship
JPG (1992) and MTS (2006) are completely different formats that occasionally get mentioned together due to extension confusion. JPG is universal photographic image format. MTS is AVCHD file format (Advanced Video Coding High Definition) used by Panasonic, Sony, Canon, JVC camcorders for HD recording.
The confusion arises because some camcorder SD cards contain both JPG photos and MTS videos, and users search "JPG vs MTS" trying to understand the files on their card. They're not competitors — they serve completely distinct purposes (photo vs video).
What MTS is exactly
MTS is the file extension for AVCHD streams (also extension .m2ts in some implementations). Characteristics:
- Video codec: H.264 / MPEG-4 AVC
- Audio codec: AC-3 (Dolby Digital) or PCM
- Container: MPEG-2 Transport Stream
- Typical resolution: 1080i or 1080p HD
- Manufacturers: AVCHD standard adopted by Panasonic + Sony in 2006, also used by Canon and JVC
Consumer and prosumer camcorders 2006-2018 recorded MTS by default. By 2018+, MP4 H.264/H.265 replaced it as standard.
When MTS is relevant
- Legacy AVCHD camcorders: if you have Panasonic, Sony, Canon, JVC from 2006-2018 recording AVCHD, files are MTS
- Professional editing with AVCHD-aware software: Premiere, Final Cut, DaVinci Resolve handle MTS natively
- AVCHD discs for Blu-ray players: some Blu-ray players play AVCHD discs with MTS files
- Archival of original camcorder recordings: keep MTS as master for maximum quality preservation
When to convert MTS to MP4
- Sharing on social media/web: YouTube, Vimeo, social media expect MP4 — MTS upload is problematic
- Mobile playback: iPhone, Android don't play MTS natively; MP4 does
- Smart TVs and streaming devices: Roku, Fire TV, Chromecast — all expect MP4
- Cloud storage and sharing: Google Drive, iCloud, Dropbox preview MP4 inline; MTS typically doesn't
- Editing in modern software: although professional software handles MTS, more casual tools (basic iMovie, web editors) prefer MP4
MTS → MP4 conversion: typical case
KaijuConverter:
- Demuxes MTS: extracts H.264 video + AC-3 audio streams
- Converts AC-3 audio to AAC: AAC has better MP4 compatibility
- Re-packages in MP4: stream copy of H.264 video (no re-encoding) + re-encoded audio
- Result: universal MP4 with bit-perfect video from original MTS
The conversion is very fast and preserves bit-perfect video quality. Only audio is re-encoded (AC-3 → AAC), introducing small typically imperceptible loss.
Extract JPG photos from MTS stream
Sometimes you want a still image from a moment in MTS video. KaijuConverter can extract specific frame as JPG:
- Select timestamp in the MTS
- Extract frame at that moment
- Save as JPG (adjustable quality)
Result: still image from your video recording, useful for thumbnails, previews, or snapshots of key moments.
Practical recommendation
- You have AVCHD camcorder: record in MTS for maximum quality master, archive originals
- Share camcorder video: convert MTS → MP4 before sharing
- Universal compatibility: MP4 H.264 works on all modern devices
- Professional editing: MTS works natively in Premiere/Final Cut/DaVinci
- Want still photos from video: extract JPG frames with KaijuConverter
- Modernizing AVCHD library: batch convert MTS → MP4 for future-proofing
Ready to convert?
Convert between JPG and MTS online, free, and without installing anything. Encrypted upload, automatic deletion after 60 minutes.
Frequently Asked Questions
It's AVCHD standard (Advanced Video Coding High Definition) developed by Panasonic + Sony in 2006 and adopted by Canon, JVC, and other manufacturers. Consumer camcorders 2006-2018 recorded MTS by default. By 2018+, MP4 H.264 replaced it.
iOS doesn't support MTS natively. You need VLC or other third-party app, or convert MTS to MP4 with KaijuConverter. Conversion is fast and preserves bit-perfect video quality.
No for video (stream copy of H.264). Audio re-encodes from AC-3 to AAC with small typically imperceptible loss. For maximum preservation, keep MTS originals as master and use MP4 derivatives for distribution.
Yes. KaijuConverter can extract specific frames from MTS as JPG images. Select the timestamp of the moment you want to capture; the frame exports as JPG with adjustable quality. Useful for thumbnails, previews, or snapshots of key video moments.
No, they're completely different. JPG is still photographic image format. MTS is HD video file format (AVCHD). Confusion arises because camcorder SD cards contain both types. Photo = JPG. Video = MTS (or MP4 in modern cameras).
AVCHD/MTS was standard 2006-2018 for consumer camcorders. By 2018+, manufacturers adopted MP4 H.264/H.265 as modern standard for better universal compatibility. Modern smartphones and compacts all use MP4. MTS survives only in legacy AVCHD camcorders and old archives.
JPG (JPEG) is the most widely used image format, developed by the Joint Photographic Experts Group in 1992. It uses lossy compression to achieve small file sizes, making it the standard for digital photography, web images, and social media.
JPG files can be opened by virtually any image viewer or editor, including Windows Photos, macOS Preview, Adobe Photoshop, GIMP, and all web browsers.