100% on-device · No uploads · Ad-free conversions

ConvertEase: Ultimate File Converter & Compressor

Convert and compress images, video, PDFs, documents and audio right on your iPhone — PNG to JPG, MP4 to MKV, DOCX to PDF, MP3 to WAV and every other popular format. Lightning fast, privacy-first, no accounts and no uploads.

Download on the App Store
4.8 · 1,200+ ratings

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Convert a file

Image

HEIC · PNG · JPG

PDF

DOCX · Merge

Video

MP4 · MKV

Audio

MP3 · WAV

Compressing video…78%

200+

Conversion formats

100%

On-device & private

0

Uploads & size limits

4.8★

App Store rating

One app for every file conversion

Convert and compress images, video, documents and audio — all processed privately on your iPhone.

Image Converter

PNG to JPG, HEIC to JPG, WEBP to PNG and more — batch convert and resize without quality loss.

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Video Converter

MP4 to MKV, MOV to MP4, AVI to MP4, MP4 to GIF — convert and shrink clips with full quality control.

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Document & PDF Tools

DOCX to PDF, PDF to Word, PDF to JPG, PPTX to PDF — plus merge, split and compress PDFs.

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Audio Converter

MP3 to WAV, M4A to MP3, FLAC to MP3, AAC to MP3 — convert and extract audio from video.

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File Compressor

Compress PDF, video and images to reduce file size for email and messaging — you control the quality.

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Secure & Offline

Every conversion runs 100% on your device. Your files never leave your iPhone and the app works without internet.

Popular file conversions

Hundreds of supported formats. Here are the conversions people search for most — tap any to learn more.

Image conversions

Convert photos and graphics between every common image format on iPhone.

PNG to JPG JPG to PNG HEIC to JPG HEIC to PNG WEBP to PNG WEBP to JPG PNG to WEBP JPG to PDF PNG to PDF BMP to JPG TIFF to JPG GIF to PNG

Video conversions

Change video containers and codecs, or pull audio out of a clip.

MP4 to MKV MKV to MP4 MOV to MP4 MP4 to MOV AVI to MP4 WEBM to MP4 MP4 to WEBM FLV to MP4 M4V to MP4 MP4 to GIF MP4 to MP3

Document & PDF conversions

Turn documents into PDFs and back — or export PDF pages as images.

DOCX to PDF PDF to DOCX PDF to Word PDF to JPG PDF to PNG JPG to PDF PPTX to PDF XLSX to PDF TXT to PDF Word to PDF

Audio conversions

Convert music and voice recordings between every popular audio format.

MP3 to WAV WAV to MP3 M4A to MP3 MP3 to M4A FLAC to MP3 AAC to MP3 OGG to MP3 MP3 to AAC WAV to FLAC AMR to MP3

File compression

Make files smaller for email, messaging and storage without ruining quality.

Compress PDF Compress Video Compress Images Compress MP4 Reduce PDF size Compress JPG Compress PNG

Why convert in the app, not the browser?

Online converters upload your private files, cap their size and bury you in ads. ConvertEase fixes all of it.

Total privacy

Files are processed on-device and never uploaded to any server.

Faster results

Native, hardware-accelerated conversion — no slow uploads or downloads.

No size limits

Convert and compress large 4K videos and big PDFs without caps.

Works offline

No internet needed and no disruptive ads during conversion.

Convert in three simple steps

No learning curve. Designed to feel effortless on mobile.

  1. 1

    Download App

    Grab ConvertEase free from the App Store and open it — no signup required.

  2. 2

    Choose File

    Pick any image, video, document or audio file from your library or Files app.

  3. 3

    Convert Instantly

    Choose your format, tap convert, and save or share the result in seconds.

Frequently asked questions

Everything about converting and compressing files on your iPhone.

ConvertEase converts images (PNG, JPG, HEIC, WEBP, BMP, TIFF, GIF), video (MP4, MOV, MKV, AVI, WEBM, FLV), documents (DOCX, PDF, PPTX, XLSX, TXT) and audio (MP3, WAV, M4A, FLAC, AAC, OGG). It also compresses PDFs, videos and images to reduce file size.

Download ConvertEase free, tap Image, choose your photo, pick JPG as the output format and tap Convert. PNG to JPG, HEIC to JPG, WEBP to PNG and batch conversions are processed instantly on your device.

Yes. ConvertEase supports popular video conversions including MP4 to MKV, MKV to MP4, MOV to MP4, AVI to MP4 and MP4 to GIF, with control over resolution and quality — all without uploading your video to a server.

Yes. ConvertEase handles document conversions such as DOCX to PDF, PDF to Word, PDF to JPG, JPG to PDF, PPTX to PDF and XLSX to PDF directly on your iPhone.

Yes. You can compress PDFs, videos and images to shrink their file size for email or messaging while choosing how much quality to keep — perfect for large MP4 videos and photo libraries.

ConvertEase is free to download. Every conversion runs 100% on-device, so your files are never uploaded to a server and the app even works offline — making it more private than online converters.

Start converting in seconds

Join thousands who switched to the fastest, most private file converter on iOS.

Download on theApp Store