Convert HEIF to FLIF

Convert HEIF to FLIF without uploading files anywhere. reaConverter works entirely on your PC — fast, private, and handles thousands of files at once.

Looking to change HEIF files to FLIF format? reaConverter makes it simple — add your files, select output format, and convert entire folders in one click. Runs entirely on your hardware for maximum speed — no waiting for uploads or server queues.

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HEIFFLIF

How to Convert Multiple HEIF Images to FLIF?

1. Download and Install reaConverter

First, grab reaConverter from the download button below. Installation is fast, and the software runs offline — no account or signup needed. Apply image edits like resize, crop, or color adjustment while converting.

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Install reaConverter

2. Load your HEIF files

Start reaConverter and add your .heif files. The software processes everything locally, so your files never leave your computer.

Use drag-and-drop, folder browser, or right-click conversion from Explorer.

Load your HEIF files into reaConverter

3. Select FLIF as output format

Select FLIF from 700+ supported output formats. Choose your destination folder and adjust settings to match your needs.

Select FLIF as output format

4. Start HEIF to FLIF conversion

Click Convert to start the batch. reaConverter processes files quickly and shows you the status of each one.

Start Conversion

Once done, reaConverter shows a summary. Click 'Show converted files' to jump straight to your FLIF output.

HEIF to FLIF Converter

reaConverter offers the fastest, simplest solution for converting your HEIF files into FLIF in seconds - all images processed on your PC for maximum privacy and speed.

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Do more with your images

Converting HEIF images for use in a larger project? With reaConverter, you can convert, edit, and enhance your images in one streamlined process.

Our range of editing options includes such image processing actions as Resize, Rotate, Crop, Color Replace, Watermarks and more. Adjust actions include RGB, HLS, HSV, Brightness and Contrast. Auto-processing options are also available, such as auto-rotate and auto-crop.

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User Reviews

Average User Rating:
Last updated on January 25, 2026
"I needed to convert HEIF files for a personal project, and reaConverter made it shockingly simple. Drag-and-drop batch conversion, preset profiles, and fast outputs."
Mark Reynolds
Mark Reynolds
Satisfied Customer
"If Apple’s HEIF format drives you nuts, this is the fix. Simpler than Adobe, faster than online tools, and reliable enough for pro workflows."
Noah F.
Noah F.
Satisfied Customer
"The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!"
DeShawn M. Thompson
DeShawn M. Thompson
Happy User
"I'm really impressed with this software - it converts files between formats incredibly fast!"
Lin Zhang
Lin Zhang
Happy User
"I firmly believe working with JPEG — the universal format supported by all devices and apps—is the wisest choice. reaConverter handles these conversions flawlessly."
Ava Thomas
Ava Thomas
Happy User
"An excellent program! I use it regularly in my work - it supports nearly every file format imaginable. The interface is intuitive and runs flawlessly every time."
Roger Cook
Roger Cook
Happy User

HEIF to FLIF Conversion: FAQ

What are HEIF files?

HEIF (High Efficiency Image File Format) - is a media container for images and image series. Format was developed by the Moving Picture Experts Group (MPEG). Main advantages of HEIF is efficient storage of image bursts and data encoding, which makes HEIF format a good and easy solution to distribute images and image collections.

What are FLIF files?

FLIF (Free Lossless Image Format) is a royalty-free format launched at the end of 2015 as "work in progress" with the aim of offering a better alternative for storing lossless images than the existing PNG, WebP, BPG, JPEG2000 and JPEG XR. FLIF provides similar image quality as the other extensions, but in a file size than can be up to 74% smaller. The new format uses a form of the Adam7 algorithm for compressing images, offering progressive interlacing that allows users to obtain a reasonable encoding of an image even from a partial download.

Can reaConverter convert HEIF to FLIF?

Yes! reaConverter instantly converts .heif to .flif with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.

What is reaConverter used for?

reaConverter is a software program used for converting images and other types of files from one format to another. It supports a wide range of file formats and allows users to convert multiple files at once, making it a valuable tool for graphic designers, photographers, and other professionals who work with digital images. reaConverter also includes features for resizing, cropping, and editing images, along with batch processing capabilities that help automate repetitive tasks.

Can I convert HEIF to FLIF online?

If you only need to convert a few HEIF files to FLIF format, feel free to try our free online free online HEIF to FLIF converter — perfect for small batches with no installation needed!

How can I turn HEIF files into FLIF on my computer?

The best way to change HEIFs to FLIFs on your PC is to install a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from HEIF to FLIF.

How can I automate HEIF to FLIF files conversion?

reaConverter supports all the most useful automation features such as right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.

Is there a way to convert HEIF files to FLIF using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line heif to flif converter for batch processing.

What else can I do with reaConverter?

Convert CAD formatsSet picture bit depthSet file dateConvert RAW formatsConvert Gerber images

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