Convert Images Online Free — WebP, PNG, JPG, HEIC in Browser
Convert WebP, PNG, and JPG images between formats in your browser. No upload needed — images are converted instantly using the Canvas API without sharing them with any service. Useful for making downloaded WebP images usable in tools that only accept JPG or PNG.
How to use this tool
- Select your image file.
- Select the target format.
- Download the converted image.
Drop an image to convert
Processed in your browser. How it works
About Image Converter
Converting an image changes the container and encoding it is stored in without redrawing the picture itself. This tool reads your file, draws its pixels onto an HTML canvas, and re-exports them in the format you choose — JPEG, PNG, or WebP — in any direction between those three. Each format suits a different job: JPEG is the universal choice for photographs and is accepted everywhere; PNG is lossless and supports transparency, making it ideal for logos, icons, screenshots, and anything with sharp edges or flat color; WebP is the modern web format that typically produces the smallest files for photographic content while also supporting transparency.
The encoding behavior differs by target. Exporting to JPEG applies a high 92% quality setting, which is visually indistinguishable from the source for most images and flattens any transparency. Exporting to PNG is lossless, so it is the right choice when you must preserve transparency or keep text and edges perfectly crisp. WebP export uses the browser's default WebP encoder. A key thing to understand is that converting never recovers quality that an earlier lossy step already discarded — if your source is a heavily compressed JPEG, converting it to PNG produces a larger but not sharper file.
Typical reasons to convert include making a downloaded WebP usable in an older editor or a service that only accepts JPEG or PNG, turning a bulky PNG photograph into a much smaller JPEG or WebP, or producing a PNG when you need transparency that a JPEG cannot hold. A practical rule of thumb: choose JPEG or WebP for photos, PNG for graphics with transparency or text, and WebP when you specifically want the smallest file for the web and your audience uses modern browsers.
One limitation to keep in mind is transparency: converting a transparent PNG to JPEG replaces the see-through areas with a solid background because JPEG has no alpha channel, so convert to WebP or keep PNG if transparency matters. The tool handles one image at a time. All of this happens on a canvas inside your browser — the image is decoded and re-encoded locally and never uploaded to a server, which keeps personal or confidential images on your own device.
Frequently Asked Questions
- Which formats can I convert between?
- JPEG, PNG, and WebP, in any direction among the three. You pick the target format with a toggle before converting. Each format is suited to a different purpose: JPEG for universal photo compatibility, PNG for lossless graphics and transparency, and WebP for the smallest modern web files.
- Will converting reduce my image's quality?
- It depends on the target. Converting to PNG is lossless and preserves every pixel. Converting to JPEG applies 92% quality compression, which is visually indistinguishable from the original for most images. Converting to WebP uses the browser's default encoder. In no case can converting recover quality that an earlier lossy step already removed.
- What happens to transparency when I convert to JPEG?
- JPEG has no transparency channel, so any transparent areas are filled with a solid background when you export to JPEG. If preserving transparency matters, convert to WebP or keep the image as PNG instead — both support an alpha channel.
- Should I use JPEG, PNG, or WebP?
- Use JPEG for photographs you need to share widely, since it is accepted everywhere. Use PNG for logos, icons, screenshots, and any image with transparency or sharp text, because it is lossless. Use WebP when you want the smallest file for a website and your visitors use modern browsers, as it compresses photos more efficiently than JPEG.
- Does converting a PNG photo to JPEG make it smaller?
- Usually dramatically so. PNG stores photographs losslessly, which makes photographic PNGs very large. Re-encoding the same photo as JPEG or WebP applies efficient lossy compression and can cut the file to a fraction of its size with no visible quality loss, which is one of the most common reasons to convert.
- Can I convert several images at once?
- The tool converts one image at a time: drop the file, choose the target format, and download the result. For multiple files, repeat the process for each one. Each conversion is independent.
- Can it open HEIC or other formats?
- This converter works with JPEG, PNG, and WebP inputs. For Apple HEIC photos, use the dedicated HEIC-to-JPG converter first, then bring the resulting JPEG here if you want to move it on to PNG or WebP.
- Is my image sent to a server?
- No. Conversion runs entirely in your browser using the Canvas API — your image is decoded and re-encoded on your own device and never uploaded, so it stays private even if it is personal or confidential.
How to Convert HEIC to JPG Without Installing Software
Convert HEIC images to JPG directly in your browser — no desktop app, no upload to a server, no installation needed.
How to Convert and Compress Images to WebP Without Uploading
Convert PNG, JPG, or other images to WebP format directly in your browser — no upload, no conversion service, no watermarks.
Embed this tool on your site
Free. One line of HTML — the tool runs in your visitor's browser, no data sent to anyone.
<iframe src="https://brevio.pro/embed/image-convert" width="100%" height="600" loading="lazy" style="border:1px solid #e5e5e5;border-radius:8px" title="Image Converter — brevio"></iframe> <p style="font:12px/1.4 sans-serif"><a href="https://brevio.pro/tools/image-convert">Image Converter</a> by <a href="https://brevio.pro">brevio</a></p>