Questions, answered
Short answers specific to this page. The tool above settles most of them in a second.
- What does a WebP converter actually do, and in which direction?
- Both directions, and the direction matters. "I have WebP files that won't open" → convert OUT to JPG or PNG. "I want WebP files for my website" → convert IN from JPG or PNG. Our tool does either. Start from the problem you have and pick the matching exit.
- Why won't my WebP file open?
- Because software outside the browser lags the web. Photoshop needed a plugin before 2022, Office and many email clients still shrug, and older phones and photo frames refuse. Every browser has decoded WebP for years. The gap is desktop apps, and converting to JPG or PNG closes it.
- Which should I convert WebP to: JPG or PNG?
- JPG for sharing photos (our 234.9 KB reference → 73.6 KB on Auto). PNG for editing or transparency (lossless, 188.8 KB). JPG opens absolutely everywhere and is smaller. PNG preserves every pixel and the alpha channel. Sharing → JPG, editing → PNG.
- How much smaller is WebP than JPG or PNG?
- Fresh encodes from a clean source run 25–34% under JPEG at the same look. Our 188.3 KB reference JPEG became a 110.9 KB WebP. Against photographic PNG, the gap is far larger. Re-encoding already-compressed files saves less. The per-file readout tells the truth for yours.
- What quality setting should I use for WebP?
- Quality 80 is the knee of the curve. Below it, artefacts creep in. Above it, bytes pile up for invisible gains (WebP q90 can land near the source JPEG's size). Auto stays in the 75–85 sweet spot per image. Don't transfer JPEG quality numbers to WebP. Transfer the look.
- Does WebP support transparency and animation?
- Both. WebP carries full alpha in lossy and lossless modes (a transparent logo converts intact, checkerboard-verifiable) and animation as the modern GIF replacement. We handle animated files honestly: we decline them with a message rather than silently flattening them to one frame.
- Lossy or lossless WebP?
- Lossy for photographs and screenshots: huge savings, invisible cost at sensible settings. Lossless for flat art and graphics where every pixel is deliberate. Auto reads the image and chooses. The compare slider lets you overrule it with evidence instead of guesswork.
- How many files can I convert at once?
- 50 per batch, 30 MB each, one ZIP with filenames preserved. It is free, with no signup, no watermark, and a 300-image daily allowance. We publish these numbers because most converters make you discover their walls by hitting them.
- Should I use WebP or AVIF in 2026?
- AVIF is smaller (our 234.9 KB reference WebP re-encoded to 68.7 KB AVIF) at ~95% support to WebP's ~97%. The professional answer is both via a picture element: AVIF first, WebP fallback. Converting to only one? WebP for maximum reach, AVIF for minimum bytes.
- Can I keep the output under a size limit?
- Yes. Max file size sets a hard cap, met by quality search and never overshot, in either direction: WebP under 100 KB for a CMS, or JPG under 50 KB for a form. Converter and compressor in one pass is the feature this SERP doesn't have.
- What happens to my files?
- We keep nothing. We process your files and wipe them automatically, never archive them, never use them for anything else. We strip metadata from outputs by default, and no account is required.