How to Batch Convert Images Online (Free, No Upload)

Batch conversion converts many files with one conversion in one session: fifty HEIC photos become fifty JPGs, two hundred PNGs become two hundred WebPs. Each converter page handles one pair — HEIC to JPG, PNG to WebP, and so on — and a batch is simply "many files through this pair." The payoff scales with volume: at ten files the batch saves most of the clicking; at two hundred it is the difference between a finished job and an abandoned one.

On any working image converter page, click to select multiple files at once, drag and drop a handful of files, or drop an entire folder — the page walks the folder tree and queues every matching file. Two conversion workers run side by side, each file gets its own status line (waiting, converting, done, or an honest error that never stops the rest of the batch), and the Download ZIP button packages every converted file into a single archive with progress and skipped-file reporting.

Batch works on every image converter whose tool runs in the browser — HEIC to JPG/PNG, WebP to JPG/PNG, PNG to JPG, JPG to PNG, JPG to WebP, PNG to WebP, SVG to JPG/PNG, and PDF to JPG/PNG. The video, EPUB, and PNG-to-SVG converter pages are guides without a verified in-browser path, so there is nothing to batch there — and the pages say so.

• **Phone photos:** HEIC to JPG/PNG converters handle a whole camera roll at once.
• **Web images:** WebP/JPG/PNG swaps in both directions for modernizing site assets.
• **Graphics and documents:** SVG exports and multi-page PDF-to-image sets across several PDFs.

A batch is your most personal files, in bulk — a photographer's full shoot, scans of a decade of documents. Traditional converters ask you to upload all of that to a stranger's server; the bigger the batch, the more you have to lose. In-browser conversion keeps the privacy math constant: file one and file one-thousand are equally never transmitted. After converting, the image compressor tool can shrink the batch further if file size was the real problem.

There is no published file-count or size cap — the practical ceiling is your browser's memory. A few hundred ordinary photos are routine; thousands of huge files will eventually strain any tab, so split very large jobs. Batch covers one conversion pair per page (no "mixed folder into whatever each file needs" mode), and there is no video batch conversion of any kind.

Sort one conversion pair into one folder first, spot-check a single representative file for quality and colors, then drop the batch and let the queue work — you can switch tabs. Download the ZIP and verify the count before deleting anything: "49 files in, 49 files out" is the whole quality check. Keep originals until you've opened a few outputs and confirmed they're right.