Why JPEG Is Still the Right Format for Most Photos Despite Newer Options

JPEG was standardized in 1992. By internet standards, it’s ancient — older than the modern web, older than PNG, older than most of the software currently running on your devices. Yet in 2026, JPEG remains the dominant format for photographic images on the web, in camera output, and in everyday digital photography. This longevity has nothing to do with technical inertia preventing superior formats from winning. It has everything to do with JPEG solving its specific problem well, having an effectively universal support footprint, and the legitimate alternatives serving different use cases rather than strictly replacing it.

What JPEG Actually Does

JPEG is a lossy compression algorithm specifically designed for photographic images. “Lossy” means some information is discarded during compression — the algorithm permanently removes detail that human visual perception is least likely to notice, primarily high-frequency information (fine texture detail) and color information in the chroma channels (human vision is more sensitive to luminance than to fine color detail, so JPEG compresses color more aggressively). The result is a file that is a fraction of the size of an uncompressed image, with image quality that at moderate compression levels is indistinguishable from the original for typical viewing conditions.

At JPEG quality 85–95 (the range used for photos intended for viewing at screen resolution), a 30 megapixel RAW photo that might occupy 30MB uncompressed can be compressed to 4–8MB with quality differences that require pixel-level examination to detect. For sharing, displaying, and storing photos that will be viewed at normal viewing distances and screen resolutions, this is an excellent tradeoff. The file size advantage matters for storage, for web delivery (smaller files load faster), and for processing speed.

JPEG’s perceptual compression approach — discarding information the eye won’t notice rather than applying lossless compression uniformly — is why JPEG produces better file size to perceived quality ratios than lossless formats like PNG for photographic content. PNG achieves significant compression on images with large uniform areas and sharp color boundaries (illustrations, screenshots, logos) but compresses photographic content poorly relative to JPEG because photographs are complex natural content without the statistical regularities that benefit lossless algorithms.

What the Newer Formats Actually Offer

WebP, HEIC/HEIF, AVIF, and JXL (JPEG XL) are the significant newer image formats competing in the photographic space. Each offers genuine technical advantages over JPEG:

WebP (Google, 2010) achieves roughly 25–35% better compression than JPEG at equivalent visual quality, supports lossless compression and transparency, and has universal browser support as of 2023. For web delivery of photographic images, WebP is technically superior to JPEG in compression efficiency. The web has increasingly moved toward WebP for optimized image delivery, particularly for content served through CDNs and image optimization services.

HEIC/HEIF (Apple/MPEG, used in iPhone cameras since 2017) uses H.265-derived compression that achieves roughly 2x the compression efficiency of JPEG at equivalent quality — an iPhone photo that would be 5MB as JPEG might be 2.5MB as HEIC. Apple’s default camera format. The significant limitation is compatibility: HEIC is not universally supported across the web, and sharing HEIC files to non-Apple platforms requires conversion or reliance on platform handling that isn’t always smooth.

AVIF (AOMedia, 2019) achieves better compression than WebP and HEIC with better support for HDR and wide color gamut. Browser support is now widespread (Chrome, Firefox, Safari all support it), and it’s the format image optimization services increasingly favor for web delivery. The encoding is computationally expensive compared to JPEG and WebP, which limits its use in camera capture workflows but doesn’t affect pre-encoded web delivery.

JPEG XL (JXL) is the most ambitious attempt at a JPEG successor: lossless and lossy compression, significantly better quality at equivalent file sizes, support for high bit depth and HDR, and a lossless JPEG recompression mode that can reduce existing JPEG file sizes without quality loss. Browser support remains incomplete (Chrome removed and re-added support; Safari supports it; Firefox support is limited), and its ecosystem is still developing despite the format’s technical quality.

Why JPEG Still Makes Sense for Most Photos

The argument for JPEG despite technically superior alternatives comes down to three factors: universal support, adequate quality, and workflow simplicity.

Universal support is JPEG’s decisive advantage. Every device, every browser, every operating system, every application that handles images supports JPEG. A JPEG file sent to anyone, opened anywhere, decades into the future, will display correctly without any compatibility question. No other photographic format matches this support footprint, and the support footprint matters every time an image leaves the environment where it was created. A HEIC photo taken on an iPhone requires either platform awareness at the destination (iMessage handles it; emailing to a Windows user may not) or conversion. AVIF and JXL have growing but still incomplete support. JPEG has no such consideration.

Adequate quality describes JPEG’s actual delivered quality in typical use: for photos viewed at screen resolution on typical displays, at JPEG quality 85+, JPEG artifacts are not visible. “Technically inferior compression” doesn’t mean “visibly inferior images” for most people in most contexts. The additional compression efficiency of newer formats is meaningful for large-scale web delivery infrastructure (reducing CDN bandwidth costs at scale) but invisible to a person looking at individual photos on a phone or laptop screen.

Workflow simplicity benefits from JPEG’s universality and maturity. Every photo editing tool, every cloud storage service, every social platform processes JPEG natively with no conversion required. Switching to HEIC or AVIF for personal photography introduces conversion friction whenever a photo needs to leave its native environment. For professional photographers doing high-volume post-processing, JPEG’s speed and universal tool compatibility is a practical advantage over formats requiring additional encoding steps.

The practical answer: use WebP or AVIF for web image delivery (where the file size savings multiply across many users), use HEIC if you’re all-in on Apple’s ecosystem and don’t share photos widely, and use JPEG for everything else. JPEG is not the best format by any modern technical measure, but “good enough with no compatibility problems anywhere” is exactly the right tradeoff for personal photography, sharing, and archiving where quality is sufficient and friction is the real cost.