Is changing the filename enough?
No. Renaming .webp to .jpg does not change the encoded image. Conversion creates a file in the selected format.
Image WORKBENCH / FREE BROWSER TOOL
Convert images to JPG, PNG, or WebP
Change an image format, choose the output quality, and download a new copy. Keep the source and inspect transparency before sharing.
No signup · File contents stay on this device Files are processed on this device
Drop your files here
JPG, PNG, WebP, AVIF or HEIC images · files stay on your device
or paste an image with Ctrl / Cmd + VUp to 30 files · 20 MiB per file · 80 MiB total
Sequential processing keeps memory use lower.
Processing happens in your browser. File contents are not uploaded. Close the tab to release active files; temporary handoffs use local browser storage. · Privacy details
IMAGE → DOCUMENT WORKFLOW
Sample checks you can repeat
Measured with the listed sample and settings; these may differ from this page’s starting preset. Timings are individual processing-function runs in the stated environment and exclude page loading. Library caches may be warm. These small-file checks do not establish performance or compatibility for every document.
| Sample | Settings | Observed output | Environment |
|---|---|---|---|
| sample-detail.jpg (1800 × 1200; 446,566 bytes); sample-transparent.png (1600 × 1000; 43,511 bytes) ↗ | JPG; quality 88%; background #ffffff | approximately 323.7 KB; 1800 × 1200 · 0.04 sec | approximately 94.3 KB; 1600 × 1000 · 0.02 sec | Chrome · Apple M2 / macOS · 15 Oct 2026 · local test |
Specific tasks
Using this tool
How to use image converter
- Select the images you want to convert. Keep the original files.
- Choose JPG for a photo, or PNG/WebP when appropriate. Enable Keep transparent background if transparent pixels need to remain transparent.
- Review the output settings, run the conversion, and inspect a downloaded result.
Before you start
What to keep in mind
- The output choices are JPG, PNG, and WebP. This tool does not encode HEIC or AVIF.
- Re-encoding can change color, metadata, and image quality. It is not an archival copy.
- Animated and multi-frame files are unsupported. Export one still image first; the tool does not provide an animation conversion workflow.
- Use at most 30 images, 20 MiB per file and 80 MiB total input. Combined output is also limited to 80 MiB; completed files remain available when a later result exceeds that limit. Each image must stay within 24 million pixels and 12,000 pixels on either side.
Choose for the destination
Check the receiving site or application before choosing a format. A widely accepted JPG is useful for photos, while transparent logos and interface graphics often need PNG. A smaller file is useful only if the recipient can open it.
Compare the result, not just its extension
Reopen the exported copy and check its dimensions, orientation, fine text, and transparent edges. Keep the source alongside it until the replacement works in the destination.
Choose a deliverable before choosing a format
A product photograph intended for an email attachment, a transparent logo for a slide and a website illustration have different requirements. Start by checking which formats the recipient accepts. JPG is an opaque, lossy photo format. PNG retains the decoded pixels without a JPEG quality trade-off and can carry transparency. WebP is useful when the destination supports it, but a format change alone is not a promise of smaller bytes.
For example, keep a transparent logo in PNG when it must sit on several backgrounds. For a JPG-only form, choose the background before exporting because that decision becomes part of the image. Review a single converted file before processing the rest of a batch. The queue uses one output setting for every file, so mixing photographs and logos may call for separate runs. After conversion, pass the result to the resizer or compressor if the destination also imposes dimensions or a byte limit; avoid repeated encoding merely to change a filename.
Separate input detection from output choice
A file extension is a label, not a conversion instruction. The engine inspects supported source headers before decoding and uses the selected output format to create a new image. A renamed .jpg file containing WebP data does not become JPEG merely because its name changed. Unsupported or animated inputs are rejected rather than silently treated as a successful still conversion.
Use the output row to confirm the detected input format, delivered format and dimensions. The PNG, JPEG and WebP encoders can produce different bytes in different browsers, even for the same starting quality value. Keep a delivery copy only after checking that its real format and appearance suit the receiving system. No format preset promises a fixed percentage saving.
Common questions
About image converter
Which format keeps transparency?
PNG supports transparent pixels. WebP can also retain transparency; JPG needs an opaque background. Inspect edges against the intended background.
Will converting improve a blurry image?
No. A new format cannot recover detail missing from the source. Keep the original dimensions unless a smaller image is required.
Where is the image converted?
Its contents are decoded and encoded in this browser. The website and any required decoder files load normally, but your chosen image is not uploaded to a conversion API. Initial preparation can require an internet connection.
Can I continue with another image operation?
Yes. After conversion, use the next-step actions to pass successful result files to another compatible tool through temporary local browser storage. Download a copy if you need a lasting artifact.