CalcWisp

Free Image & PDF Converters

These free image and PDF tools convert iPhone HEIC photos, WebP, AVIF, JFIF, PNG and JPG files, turn images into PDFs, and split or merge PDF documents. All processing happens locally in your browser, so files are never uploaded to a server, and there is no watermark or file-count limit.

All 11 images & pdfs tools

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HEIC to JPG Converter

Convert HEIC to JPG in your browser with no upload. Drop iPhone photos, pick a quality, download JPGs one by one or all at once. Free, private, no limits.

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HEIC to PNG Converter

Convert HEIC to PNG in your browser with no upload. Drop iPhone HEIC photos and get lossless PNG files, batch converted on your device. Free and private.

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JPG to PNG Converter

Free JPG to PNG converter that runs in your browser with no upload. Drop JPG or JPEG files, convert them losslessly to PNG and download each one or all at once.

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PNG to JPG Converter

Free PNG to JPG converter in your browser, no upload. Drop PNG files, set the JPG quality and background color for transparency, then download smaller JPGs.

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WebP to PNG Converter

Convert WebP to PNG in your browser, no upload needed. Drop .webp images saved from the web and download lossless PNGs with transparency kept. Free and private.

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AVIF to PNG Converter

Convert AVIF to PNG in your browser with no upload. Drop .avif images and download lossless PNG files that open in any app. Free, private, works offline.

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JFIF to JPG Converter

Convert JFIF to JPG in your browser with no upload. Drop .jfif files saved from email or the web and download standard .jpg files any app accepts. Free and private.

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Image to PDF Converter

Free image to PDF converter in your browser, no upload. Drop JPG, PNG, WebP, HEIC or AVIF files, reorder them, pick A4, Letter or fit, and download one PDF.

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PNG to PDF Converter

Free PNG to PDF converter that runs in your browser with no upload. Drop PNG screenshots or scans, order them, choose a page size and download a lossless PDF.

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Split PDF

Free PDF splitter that works in your browser with no upload. Extract a page range like 1-3, 7, split every page into its own file, or cut into chunks of N pages.

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Merge PDF

Free merge PDF tool that combines PDF files in your browser with no upload. Drop several PDFs, put them in order and download one merged file. Private, no limits.

Images & PDFs guides

All guides โ†’

Images & PDFs terms explained

Glossary โ†’
HEIC
HEIC is the file format and .heic extension for images stored in the High Efficiency Image File Format (HEIF) and compressed with HEVC; iPhones use it for photos in the High Efficiency camera setting.

Frequently asked questions

Are my files uploaded anywhere?

No. Conversion runs entirely in your browser on your own device; the files never leave it.

How do I convert HEIC photos from an iPhone to JPG?

Open the HEIC to JPG converter, drop in one or more .heic files, and download the JPGs. To stop the iPhone saving HEIC, set Settings > Camera > Formats to Most Compatible.

Is there a file size or count limit?

There is no fixed limit; very large files are limited only by your device's memory.

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