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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- Queue files to preview status, estimated weight, and output names.
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An image converter changes the file format of an image by decoding the source bytes, re-encoding the pixels in the target format, and returning a new file. The transformation happens server-side in memory: the source is never written to disk and there is no copy left after the response is sent. JPG, JPEG, PNG, WEBP, AVIF, HEIC, HEIF, GIF, TIFF, BMP, ICO, CUR, ICNS, SVG, and RAW files from Canon, Nikon, Sony, and other camera manufacturers are accepted as input.
What an Image Converter Actually Does
Every image format is a different way of packing the same pixel grid into bytes. JPG uses lossy compression that throws away fine color detail to shrink the file. PNG uses lossless deflate compression that reproduces every pixel exactly. WEBP supports both modes. GIF uses an indexed 256-color palette. HEIC and AVIF use modern video-codec frame compression. An image converter reads the source bytes, decodes them into a raw pixel grid, then asks the target format's encoder to write a new file representing the same pixels in its own way.
What gets preserved in this round-trip depends on whether the source and target both support a given feature. Transparency survives PNG to WEBP but is flattened to a white background when going to JPG, since JPG has no alpha channel. EXIF metadata (camera, lens, GPS, capture time) is carried through whenever the target format supports it, and can be stripped on request. ICC color profiles are preserved by default to keep colors looking the same across screens.
Why You Convert Between Image Formats
- Web delivery: WEBP and AVIF are typically 25 to 35 percent smaller than equivalent-quality JPG and shave noticeable time off page load. If your site is JPG-only, compressing those JPGs first and then converting to WEBP often gets you the biggest savings.
- Phone-to-anything-else: iPhones save photos as HEIC by default. Most Windows and web tools cannot open HEIC without an extra plugin, so converting to JPG or PNG is the standard first step before sharing or editing.
- Screenshots and UI assets: PNG is the right format for crisp text, logos, and screenshots with sharp edges. JPG would smear them with compression artifacts.
- Print: Print shops typically want TIFF or PDF, since both preserve every pixel and embed color profiles correctly. For multi-page print jobs, the image-to-PDF converter packs a batch of images into a single document.
- Animation: An animated GIF can usually be re-encoded as animated WEBP at 60 to 80 percent smaller file size with no visible quality difference. The converter handles the frame-by-frame re-encoding automatically and preserves the original frame timing and loop count.
- Icons: Windows uses ICO and CUR, macOS uses ICNS. Converting a single PNG into one of these icon containers is the typical final step before shipping a desktop app or favicon.
How This Image Converter Works
Upload one image or up to 50 at a time, or drop in a ZIP archive that holds them. The archive is unpacked server-side and each entry counts against the same 50-file batch limit. Pick a target format from the dropdown and start the conversion. Each file streams to a processing endpoint, gets decoded in a memory buffer, runs through the target format's encoder, and is returned as base64 inside the JSON response. The browser reconstructs each file from the response and offers it as a direct download, or repackages the whole batch into a single ZIP if more than one file was processed.
Files up to 40 MB per file are accepted, which covers single shots from any consumer camera or phone including most full-frame RAW files. Anything larger is rejected at the upload step before any encoding work runs, so you never burn time on a file that will not complete.
Advanced Options
- Color profile: keep the source's ICC profile (default), or force an RGB, RGBA, or CMYK output. CMYK is mainly useful when prepping images for a printer's offset workflow.
- Flatten transparency: when converting an image with transparent regions to a format that has no alpha channel (JPG, BMP), transparent pixels are composited against a white background. The option is forced on automatically for those formats, and exposed as a manual toggle for TIFF.
- Strip EXIF metadata: removes camera, lens, GPS, and capture-time tags before export. Recommended before publishing photos online or sharing screenshots that may contain location data.
Format Reference
A quick guide to picking the right output target:
- JPG / JPEG: photographs for the web. Default output quality is 95 with mid-range chroma subsampling, which is near-visually-lossless. For smaller files, run the result through the image compressor with a lower quality setting.
- PNG: graphics, icons, screenshots, and any image with transparency or sharp edges. Lossless. Larger than JPG for photographic content.
- WEBP: modern web delivery. Supports both lossy and lossless modes, plus animation. Typically 25 to 35 percent smaller than JPG at the same visual quality.
- AVIF: the newest of the modern formats. Compresses tighter than WEBP for photographic content but encodes more slowly.
- GIF: simple animations and short clips. Limited to 256 colors per frame.
- TIFF: print and archival. Lossless. Embeds color profiles correctly.
- BMP: legacy uncompressed bitmap. Rarely useful today; use PNG or TIFF instead.
- HEIC / HEIF: Apple's high-efficiency format. Accepted as input from iPhones and converted to any of the web targets above.
- ICO / CUR / ICNS: desktop and web icon containers. Convert from a PNG source at the right pixel dimensions.
- SVG: vector graphics. Read and written as text, never rasterized. If your goal is to shrink an SVG rather than convert it, the SVG optimizer strips comments, metadata, and whitespace.
Other tools that often pair with conversion: resizing to fit a target dimension before exporting, cropping to focus on a specific region, and watermarking for protecting published images.
FAQ
It depends on the source and target. Converting between two lossless formats (PNG, TIFF, lossless WEBP) reproduces every pixel exactly. Converting to a lossy format (JPG, lossy WEBP, AVIF) re-encodes the pixels with compression artifacts, but at the default JPG quality of 95 the difference is invisible at normal viewing distance. Re-encoding an already-compressed JPG to a new JPG compounds generation loss; avoid doing it repeatedly.
Yes. iPhones save photos as HEIC by default to keep file sizes small, but HEIC is not widely supported outside Apple's ecosystem. The converter accepts HEIC and HEIF as input and re-encodes them to JPG, PNG, WEBP, AVIF, or any other supported web format. The original photo's EXIF metadata, including capture date and camera info, is carried through.
JPG has no alpha channel, so transparent pixels are composited against a white background during conversion. Logos, icons, and any image where transparency is part of the design should be converted to PNG, WEBP, or AVIF instead, all of which keep the alpha channel intact. Going the other direction (JPG to PNG) does not magically recover transparency; the result is a PNG with no alpha at the same visual content.
Both shrink images noticeably compared to JPG. WEBP is the safer default: it has near-universal browser support, encodes quickly, and typically beats JPG by 25 to 35 percent at the same quality. AVIF compresses tighter still (often another 20 percent on top of WEBP) but takes longer to encode and is slightly newer in browser support. For most sites, WEBP is the sweet spot; for image-heavy or LCP-critical pages, AVIF is worth the extra encoding time.
Yes. Animated GIFs are decoded as a sequence of frames with their original timing and loop count. Each frame is re-encoded into the target format and the animation is reassembled with timing intact. Animated WEBP is typically 60 to 80 percent smaller than the original GIF with no visible quality difference. When the target is a still-only format like JPG or PNG, only the first frame is exported.
By default, yes. EXIF tags (camera, lens, exposure, GPS, capture time) and ICC color profiles are carried through whenever the target format supports them. The converter exposes a separate option to strip metadata before export, which is recommended for photos you are publishing online or screenshots that may contain GPS coordinates or system information. Color profile handling can also be forced to RGB, RGBA, or CMYK if you need a specific output mode.
Yes. RAW files from Canon (CR2, CR3), Nikon (NEF), Sony (ARW), and Adobe DNG are accepted as input and can be re-encoded to JPG, PNG, WEBP, AVIF, or any of the standard web formats. Each RAW file must be under 40 MB, which covers most full-frame cameras and all phone-camera RAWs. Note that the converter applies the camera's embedded preview render rather than running a full demosaic pipeline; for serious RAW work, do the development in Lightroom or Capture One first and export to a TIFF before bringing it here.
Use the dedicated image-to-PDF converter. It accepts the same set of input formats as the image converter and packs them into a single PDF document with one image per page. Page size, orientation, and margins are configurable. The PDF result is returned as a single download, regardless of how many source images the batch contained.
Each file must be under 40 MB, and each batch can contain up to 50 files. ZIP archives are unpacked server-side and each entry inside counts against the same 50-file limit. Larger jobs need to be split into multiple batches; the converter settings persist between batches.
Free with no registration. No rate limits, no watermarks added to outputs, no premium tier with extra features held back. The same applies to all imgdeal tools, including compression, resizing, cropping, and watermarking.