Is this image converter really free?

Yes — no sign-up, no watermark, no file caps, no premium tier gating better output. Processing runs on your device, so there are no server costs to pass along. Convert as many files as you need.

Are my images uploaded to a server?

No. The entire conversion pipeline — decoding and re-encoding — runs in your browser via the Canvas API and WebAssembly (for HEIC). Nothing is transmitted; the tool works offline after the initial page load. Your network tab will show zero upload requests.

Which format should I convert to?

JPG for universal compatibility and small photo files. PNG for lossless quality, transparency, and editing. WebP for web delivery — smaller than both with transparency support. HEIC to JPG/PNG when non-Apple devices or forms can't read iPhone photos. Each dedicated converter page explains the trade-offs in depth.

Will converting reduce my image quality?

Conversions to PNG are lossless — mathematically zero loss. Conversions to JPG or WebP are lossy at low quality settings but visually indistinguishable at the defaults used here (quality 85-90). Dimensions are never changed by any conversion path.

Can I convert images on my phone?

Yes — the converters work in mobile Safari and Chrome. A common use is converting HEIC photos directly on the iPhone before uploading them somewhere that doesn't accept HEIC.

Is there a file size limit?

Individual files up to 100 MB — far beyond any typical photo or screenshot. There's no limit on how many files you convert since processing is local.

How is this different from online converters like Convertio?

The core difference is architecture: most online converters upload your file to their servers, process it, and hand it back — a privacy exposure and a speed bottleneck. This tool processes everything on your device, so conversion is faster (no upload/download), private (no third-party storage), and free (no server costs). The trade-off: no exotic output formats like PDF or DOCX — just the image formats, done well.

All formats

Free Image Converter

Convert between JPG, PNG, WebP, HEIC, and BMP — right in your browser. No upload, no watermark, free and unlimited.

No upload No watermark Free, no sign-up

Loading converter…

Recommended settings

Recommended export settings

Default output: PNG (lossless — safe for everything)

Web delivery: convert to WebP

Universal sharing: convert to JPG

Transparency: keep PNG or WebP targets

iPhone photos: start with HEIC to JPG

What is this

An image converter solves the format friction between what you have and what the situation accepts: the iPhone photo in HEIC that a web form won't take, the WebP saved from a website that Photoshop rejects, the PNG that's too heavy for the page you're building, the JPG that needs to become transparent-capable. This hub covers the practical format map — JPG↔PNG, JPG↔WebP, PNG↔WebP, HEIC→JPG/PNG, BMP→JPG — with a dedicated converter for each direction, all running on the same engine: your browser's native Canvas API, processing everything locally so images never leave your device. Pick the exact conversion you need from the grid below, or use the tool right here with the lossless PNG default. Every path is free, unlimited, and watermark-free, and dimensions are always preserved. There's no account, no quota, and no server storage — the conversion happens on your hardware, at your pace.

1Every practical conversion path in one place: eight dedicated converters covering the JPG/PNG/WebP/HEIC/BMP matrix.
2Zero upload architecture — images are decoded and re-encoded on your device via Canvas and WebAssembly.
3Free and unlimited: no sign-up, no watermark, no daily caps, no 'premium conversion' upsells.
4Dimensions always preserved; transparency handled correctly per target format (kept for PNG/WebP, flattened white for JPG).
5Fast: typical conversions complete in 1-3 seconds because there's no network round-trip.
6Works on any device with a browser — including converting HEIC right on the iPhone that took the photo.

How it works

Three steps, no account needed

From raw image to shareable file in seconds — all in your browser.

Upload your image

Drag-and-drop or click to browse. Files are processed locally — nothing is uploaded to any server.

Pick quality

The recommended preset is pre-selected. Fine-tune JPEG/WebP quality in advanced settings if needed.

Download

Conversion runs entirely in your browser. Grab your new-format file in seconds — no account, no watermark.

Features

Why people choose this compressor

100% Browser-Based

Your image never leaves your device. No upload, no server-side processing, no privacy concerns.

No Watermark

Output is clean — no logos, no overlays, no branding baked in. You own the file.

Free & Unlimited

No sign-up, no credit card, no daily cap. Convert as many images as you need.

Canvas-Powered Engine

Uses the browser's native Canvas API for fast, hardware-accelerated format conversion.

Original Quality Preserved

Dimensions stay untouched and JPEG output defaults to quality 90 — no visible loss.

Cross-Platform

Works on Windows, macOS, Linux, iOS, and Android — any modern browser.

Use cases

Who uses this tool

iPhone → Everything

HEIC photos convert to JPG for uploads and sharing, or PNG for lossless editing — without iTunes or codec packs.

Web Saved → Editable

WebP files from the web convert to PNG for design tools or JPG for everything else.

Web Performance

JPG and PNG assets convert to WebP for 25-80% page-weight reduction and better Core Web Vitals.

Legacy Format Rescue

BMP files from old scanners and enterprise software normalize to modern formats in seconds.

Platform Compliance

Match whatever format the upload form, marketplace, or application demands — every direction covered.

Archive Migration

Bring mixed-format collections to one consistent format for storage efficiency and future-proof access.

FAQ

Frequently asked questions

JPG, PNG, WebP, HEIC (iPhone photos), and BMP — with dedicated converters for each practical direction: jpg-to-png, png-to-jpg, jpg-to-webp, png-to-webp, webp-to-jpg, webp-to-png, heic-to-jpg, heic-to-png, and bmp-to-jpg. All run on the same local-processing engine.