What Is a PNG Converter?
A PNG converter is a tool that takes a Portable Network Graphics (.png) file and re-encodes it into a different image format such as JPG, WebP, AVIF, BMP, or TIFF. PNG was designed as a lossless raster format with alpha-channel transparency, which makes it ideal for screenshots, logos, icons, and UI artwork — but the same losslessness means files are large, and not every system accepts PNGs. Many job portals, ID-card uploads, embedded email clients, and older content-management systems require JPG; modern web frameworks prefer WebP or AVIF for page speed; print and archival workflows often demand TIFF.
People who reach for a converter include web developers shrinking page weight, marketers preparing assets for ad platforms, designers handing off final artwork, job applicants who hit a "JPG only" upload wall, students submitting homework attachments, and anyone who took a PNG screenshot and needs to email it without bumping into attachment limits. The Tooldit converter runs the entire encode in your browser using the HTML canvas API, so your image never travels to a server.
Convert PNG to JPG, WebP, and More
PNG is a great format for screenshots, logos, and graphics with transparency, but it isn't always the right one to send. A PNG screenshot can be several megabytes, and plenty of upload forms, email clients, and older apps expect a JPG. Converting PNG to JPG (or to WebP, AVIF, BMP, or TIFF) fixes those problems in seconds. This converter does the whole job inside your browser using an HTML canvas, so your image never leaves your device.
Drop a single PNG into the upload area, pick a target format from the buttons, optionally fine-tune the quality, and click Convert. The new file downloads with the same base name and the correct extension.
Output Formats and the Quality Slider
Because your source is PNG, the converter offers every other format it supports and hides PNG from the list (there's no point converting a file to its own format). Here is what each target is good for:
- JPG — the best choice for photos and large screenshots when you want a small, universally compatible file. It is lossy and drops transparency.
- WebP — modern web format with strong compression that keeps transparency, ideal for fast-loading websites.
- AVIF— the smallest files at a given quality, but encoding only works in Chrome or Edge today (it's marked with an asterisk for that reason).
- BMP — an uncompressed, lossless raster format some legacy or Windows tools still require.
- TIFF — a lossless format favored in printing and archival workflows.
A quality sliderappears only for the lossy formats (JPG, WebP, AVIF). It ranges from 10 to 100 percent and starts at 92, a setting that keeps images looking clean while still trimming file size. Slide it down for smaller files or up for maximum fidelity. BMP and TIFF are lossless, so they don't show a slider.
Why Convert PNG Here
- Stays on your device — the image is decoded and re-encoded in the browser tab; no upload, no copy on a server.
- Completely free — convert as many PNGs as you like with no per-day quota.
- No account needed — there's no sign-up wall, email request, or login step.
- No watermark — the converted file is clean and exactly the size you choose.
- Works offline-style — once the page loads, the conversion runs locally without round-trips to a server.
PNG Converter vs Other Tools
Versus desktop apps (Photoshop, GIMP, Preview) — desktop tools work, but they assume you already have them installed and licensed, and they take 5–20 seconds to boot for a single 30-second conversion. Tooldit opens in a tab and finishes a typical screenshot conversion in under a second.
Versus other online converters — most upload your PNG to a server first, run the encode there, then send it back. That round-trip leaks an image you may not have wanted to share (employee headshots, signed agreements, passport scans), and it caps free users at 5–10 conversions per day. Tooldit's pipeline is fully client-side, so the image never leaves the device and there's no daily limit.
Versus a command-line tool (ImageMagick, ffmpeg) — CLI tools are powerful but assume you can install software, remember flags like -quality 92, and trust the format your operating system produces. The browser converter is faster for one-off jobs and adds an instant preview of file-size results.
When People Convert PNGs
- Shrinking screenshots — a marketer turns a 4 MB PNG screen capture into a lightweight JPG that fits a support-ticket attachment limit.
- Speeding up a website — a developer converts product PNGs to WebP or AVIF to cut page weight and improve Core Web Vitals.
- Meeting upload rules — a job applicant converts a PNG headshot to JPG because a government or HR portal only accepts JPG.
- Print and archival — a designer exports a PNG to TIFF so it can be dropped into a print layout without re-compression.
Troubleshooting & Common Issues
- My converted JPG has a black background — JPG doesn't support alpha, so transparent PNG pixels are flattened during conversion. If you need a white background, edit the PNG in an editor first (paint a white fill behind the transparent areas), or convert to WebP/AVIF which preserve transparency.
- AVIF is greyed out — AVIF encoding is implemented by the browser, and only Chrome and Edge currently include an encoder. Switch to one of those browsers, or pick WebP, which gives nearly as good compression with much wider support.
- Converted file is bigger than the original — this happens when you convert a small, high-detail PNG to BMP or TIFF (uncompressed formats) or use a quality slider of 95+ on a busy image. Drop the quality to 80–85 for lossy formats, or pick a different target.
- Conversion fails or browser freezes on huge PNGs — the canvas API has memory limits, especially on mobile. For PNGs above ~30 megapixels (about 6000×5000 px), use a desktop browser with plenty of RAM and close other tabs first.
- Colors look slightly different after conversion — PNG can store an embedded color profile (sRGB, P3, etc.). Canvas-based conversion drops the profile and treats the image as sRGB. For most screenshots and web graphics this is invisible, but for color-critical print work, use a dedicated app that preserves ICC profiles.
- Output filename uses the wrong extension — the converter takes the base name of your input PNG and appends the new extension. If you renamed the file manually after conversion and lost the extension, just rename it back — the binary content is correct for the format you chose.
Frequently Asked Questions
+What happens to PNG transparency when I convert to JPG?
JPG does not support transparency, so any transparent areas in your PNG are flattened during conversion. The canvas fills those pixels before encoding, which usually produces a black or solid background. If you need to keep transparency, convert to WebP or AVIF instead, or leave the file as PNG.
+Why can't I select PNG as the output format?
Your source file is already PNG, so it is removed from the output list to avoid a pointless same-format conversion. You can convert PNG to JPG, WebP, AVIF, BMP, or TIFF here.
+What does the quality slider do when converting a PNG?
When you convert a PNG to a lossy target (JPG, WebP, or AVIF), the quality slider appears. It runs from 10 to 100 percent and defaults to 92. Lower values shrink the file by discarding more detail; higher values preserve more of the original at a larger size. BMP and TIFF are lossless, so no slider is shown for them.
+Why is AVIF marked with an asterisk in the PNG converter?
Converting a PNG to AVIF depends on your browser's built-in encoder, which today is available in Chrome and Edge but not in every browser. If your browser can't encode AVIF, the converter shows a message asking you to switch to Chrome or Edge. Every other format works across modern browsers. You can also use the AVIF converter to go the other direction.
+Are my PNG files uploaded to a server?
No. The conversion runs entirely in your browser using an HTML canvas. Your PNG is read, redrawn, and re-encoded on your own device, and the converted file downloads locally. Nothing is uploaded, stored, or logged.
+Can I convert multiple PNG files at once?
The PNG converter handles one image at a time so you can pick the exact format and quality for each file. For batch jobs (a folder of screenshots, for example), open the converter in multiple tabs or pick a single target format and run them back-to-back — conversion is fast enough that a dozen files take only a minute or two.
+What quality setting should I use for PNG to JPG?
For screenshots of text or UI, 88–92 keeps text perfectly readable while cutting size 5–10×. For photographic content, 80–85 is the sweet spot: the human eye barely sees the difference but the file shrinks dramatically. Below 70 you'll start to see JPEG artifacts (blockiness, color banding) on smooth gradients.
+Will conversion change the image dimensions?
No. The converter preserves the original width and height exactly. Only the encoding format and compression change. If you also need to resize, crop, or downscale, use the image cropper first, then run the cropped result through the converter.
Related Image Tools
Working with other formats? Try the WebP converter or the JPG converter, or browse all image tools. Every one of them runs in your browser without uploading your files.