Image Converter
Swap between JPG, PNG, WEBP, GIF, TIFF, ICO, CUR, and BMP with full metadata control and instant previews.
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Supports HEIC, AVIF, common RAW, ICO/CUR, ZIP bundles.
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The PNG converter turns any supported image into a PNG file. PNG (Portable Network Graphics) is the format you reach for when pixels matter exactly: logos, icons, UI screenshots, charts, diagrams, anything with sharp edges or transparency. The converter accepts JPG, JPEG, WEBP, AVIF, HEIC, HEIF, BMP, TIFF, GIF, ICO, and RAW files from Canon, Nikon, Sony, and other camera manufacturers, and produces a lossless PNG that reproduces the source pixel-for-pixel wherever the source already lives within 8 bits per channel.
What Makes PNG Different
PNG uses lossless deflate compression: every pixel in the output is bit-for-bit identical to the pixel that went in. There is no quality slider, no chroma subsampling, no generation loss from re-saving. The encoder just works harder to find redundancies and pack them efficiently. On a screenshot full of repeated solid colors (UI panels, code editors, terminal windows) PNG often compresses to a fraction of the source size. On a full-color photograph the savings are smaller because photographs have less redundancy to find.
The other thing PNG carries that most other formats do not is a real alpha channel. Transparency is not a flag, not a single magic color, not a workaround. Every pixel has its own 8-bit transparency value, so soft drop shadows, anti-aliased edges, and partial-transparency masks all survive the round trip. This is why designers, app developers, and anyone shipping UI assets keep PNG in their workflow long after WEBP and AVIF arrived.
When PNG Is the Right Output Format
- Logos and icons: sharp edges, solid colors, and transparent backgrounds. JPG would blur the edges with compression artifacts; PNG keeps them clean.
- UI screenshots: the small text, button borders, and 1-pixel gridlines in a screenshot need to land on exact pixels. JPG smears them. PNG preserves them exactly.
- Diagrams, charts, and infographics: the same reason. Anything with thin lines, small text, or large flat color regions belongs in PNG.
- Pixel art and game assets: every pixel is deliberate. Lossy compression breaks the art.
- Source files for further editing: if you plan to open the file again later in an editor, PNG is the safe intermediate format. Repeatedly re-saving a JPG accumulates generation loss; PNG does not.
- Anything with transparency: overlays, watermarks, app icons, product cutouts on a white background. JPG cannot store alpha at all. WEBP can, but PNG is more universally supported.
When PNG Is Wrong
PNG is the wrong choice for full-color photographs. A 12-megapixel phone photo saved as PNG is typically 5 to 10 times larger than the same image saved as JPG at quality 95, with no visible quality difference at normal viewing distance. Web pages full of photographic PNGs load slowly and burn bandwidth. The right move for photographic content is to convert from PNG to JPG or to WEBP before publishing.
For modern web delivery in general, WEBP is the better target than PNG: lossless WEBP is typically 25 to 35 percent smaller than the equivalent PNG with no quality difference, and lossy WEBP shrinks photographic content far below either format. Use PNG when you need universal compatibility or when the destination tool definitely cannot handle WEBP.
What the Converter Does with Your File
Each file streams to the conversion endpoint, gets decoded into a memory buffer, runs through the PNG encoder at maximum compression level (9), and is returned as base64 inside the JSON response. The browser reconstructs each file and offers it as a direct download, or repackages the whole batch into a single ZIP for download. Up to 50 files per batch, 40 MB per file. ZIP archives are unpacked server-side and each entry counts against the same 50-file limit.
Two options worth knowing:
- Color profile: the source's ICC color profile is embedded in the PNG output by default, so colors render correctly on color-managed displays. Force RGB or RGBA output instead if you need a specific color mode (RGBA is what you want if the input had an alpha channel you want to keep explicit).
- Strip EXIF metadata: PNG can carry the same metadata blocks (camera, GPS, capture time) as JPG. The strip option removes them before export, recommended before publishing personal photos or sharing screenshots that may include location data.
PNG and the Rest of the Pipeline
PNG often sits in the middle of a workflow rather than at the end. A common pattern: keep originals in PNG for editing, then convert the final deliverable to a smaller format for the destination. The image compressor shrinks PNG files further when the destination cannot accept anything else; expect 10 to 40 percent reduction on hand-authored PNGs and more on screenshots. To pack multiple PNGs into a single document, the image-to-PDF converter assembles them with one image per page. For format-specific cross-conversion, see the main image converter.
Privacy
Each conversion runs entirely in memory on the server. Files are never written to disk, never indexed, never logged, never cached. The buffer is cleared as soon as the response is sent, so there is no copy left to recover. No registration, no rate limits, no tracking of which images you have converted.
FAQ
Yes, the PNG encode step is lossless. Every pixel that goes into the encoder comes out the other side bit-for-bit identical. However, "lossless" only applies from the decoded pixels forward. If the source was already a JPG, the JPG-side compression artifacts are baked into the pixels before PNG ever sees them, and the resulting PNG preserves those artifacts perfectly. Converting JPG to PNG does not undo JPG damage; it just stops further damage from accumulating.
No, it will not. Converting JPG to PNG produces a much larger file but does not add detail that was lost in the JPG encoding. The PNG output reproduces the JPG-compressed pixels exactly, blocking artifacts and all. The only reason to convert a JPG to PNG is to stop further degradation (since editing and re-saving a JPG accumulates more loss each time) or to add a true alpha channel for further editing.
Because PNG is lossless and JPG is lossy. JPG achieves small files by throwing away visual information your eye is least sensitive to (fine chroma detail in particular). PNG cannot throw anything away, so for photographic content with millions of distinct colors, the resulting file is typically 5 to 10 times larger than an equivalent JPG. For photographs intended for the web, JPG or WEBP is the right choice; reserve PNG for images that genuinely need lossless quality or transparency.
No. PNG supports transparency, but the converter does not invent it. If the source image is fully opaque (a JPG, a flat photo, a screenshot without alpha), the resulting PNG is also fully opaque - it just has the technical capability to store alpha in case the image had it. To actually create transparency, you need to edit the image in a tool like Photoshop, GIMP, or Photopea and explicitly erase or mask the background pixels before exporting. The PNG converter only round-trips whatever transparency the source already had.
WEBP, if the destination supports it. Lossless WEBP is typically 25 to 35 percent smaller than the equivalent PNG with no quality loss, and supports alpha just as well. Every modern browser renders WEBP natively, so for normal web pages it is the better default. PNG wins on universal compatibility: anywhere the consumer is an older tool, an email client, a print pipeline, or a system you do not control, PNG works without question. Many production pipelines use WEBP via the picture element with PNG as the fallback for older browsers.
Three options depending on what you need. To keep the PNG format and squeeze out extra bytes losslessly, run it through the image compressor; expect 10 to 40 percent savings on most hand-authored PNGs. To get a much smaller file at the cost of perceptual quality, convert the PNG to JPG (for photographs) or to WEBP (for anything else). To reduce the dimensions, use the image resizer first; pixel count scales the file size roughly linearly, so halving each dimension quarters the file.
No. Files stream to the conversion endpoint, decode into a memory buffer, run through the PNG encoder, and return in the response. Nothing is written to disk, indexed, logged, or cached. The buffer is cleared as soon as the response is sent, so there is no copy left to recover. The tool requires no registration and does not track which images you have converted.