5/5 - (2 votes)
FREE & BROWSER-BASED

Image Converter

Turn any photo into the exact format, size, and quality your project actually needs — instantly, in your browser, without a single file ever leaving your device.

Built and maintained by Creshy.

JPG → PNG → WEBP → AVIF → GIF → TIFF
Introduction

One format problem, solved for good

Every photo you take, download, or export carries a hidden requirement: the right file format for the right job. A phone camera shoots HEIC. A design tool exports PNG. A website wants WebP. A print shop insists on TIFF. Somewhere in the middle of all that, most people end up stuck — searching for a converter, installing software they’ll never use again, or uploading personal photos to a random website and hoping for the best.

Image Converter removes that friction entirely. It is a free, browser-based tool built by Creshy that converts, resizes, rotates, filters, and watermarks your images in bulk — with every pixel processed locally on your own device. No installs, no accounts, no waiting on an upload bar.

What Is This Tool?

A batch image lab that lives in your browser

Image Converter is a lightweight utility that takes one or many images and turns them into whichever format, dimensions, or style you specify — all in a single pass. Drop in ten product photos, choose WebP at 80% quality with a 1200px max width, and download all ten as a ready-to-use ZIP a few seconds later.

Underneath the simple interface sits a full mini image pipeline: format conversion, smart resizing that respects aspect ratio, rotation and flipping, color filters, brightness and contrast control, text watermarking, and automatic file renaming. It is built for the ordinary, repetitive job of “I have a folder of images and I need them different” — done properly, every time.

Features

Everything a batch job actually needs

⇄

Multi-format conversion

Convert between JPG, PNG, WebP, AVIF, BMP, GIF, TIFF, and ICO in one batch run.

▦

True batch processing

Queue dozens of images at once and export them all as a single downloadable ZIP.

↕

Smart resizing

Set a max width and height with aspect-ratio locking and an option to never upscale.

◐

Color & filter control

Apply grayscale, sepia, invert, or blur, and fine-tune brightness, contrast, and saturation.

⟲

Rotate & flip per image

Straighten or mirror individual photos without leaving the queue.

™

Watermarking & renaming

Stamp a text watermark and apply a custom naming pattern across the whole batch.

Why Use This Tool?

Because your images shouldn’t leave your device

Most online converters work the same way: you upload your file to someone’s server, wait, and download the result — trusting that your images were actually deleted afterward. Image Converter skips that entirely. Every conversion, resize, and filter runs directly inside your own browser using your device’s processing power, which means nothing is transmitted anywhere and nothing is stored on a server you don’t control.

On top of that privacy advantage, it is genuinely free with no sign-up wall, no daily conversion limit, and no watermark forced onto your output. It works the same way on a laptop, a desktop, or a phone browser, and it handles a whole folder of images as easily as a single photo.

Common Problems Solved

The daily frustrations this tool removes

Problem

Product photos are too large and slow the website down.

Solved

Resize and convert to WebP with quality control to cut file size dramatically.

Problem

A platform only accepts one specific format (like ICO for a favicon).

Solved

Pick the exact output format and get a properly converted file in seconds.

Problem

Converting one image at a time for a whole folder wastes hours.

Solved

Upload the entire batch and convert, rename, and export all of it together.

Problem

Photos came out in mixed sizes and orientations.

Solved

Apply one consistent max size, rotation, and aspect ratio across every file.

Problem

Uploading personal or client photos to an unknown website feels risky.

Solved

Processing happens locally in the browser, so images are never uploaded anywhere.

Key Features

The technical checklist

✓8 output formats — JPG, PNG, WebP, AVIF, BMP, GIF, TIFF, ICO
✓Adjustable quality — fine control from 10% to 100%
✓Max width & height limits — with aspect-ratio lock
✓No-upscale protection — small images stay sharp
✓Brightness, contrast & saturation sliders
✓Grayscale, sepia, invert & blur filters
✓Per-image rotate & flip controls
✓Custom text watermark with position and opacity
✓Pattern-based renaming for the whole batch
✓One-click ZIP download for every converted file
✓Clipboard paste support — no need to save first
✓Live before/after file size comparison
Benefits for You

What you actually get out of it

⏱

Time back

Convert a whole folder in one pass instead of one image at a time.

🔒

Privacy by default

Your images never leave your browser, so there is nothing to leak or lose.

₨

Zero cost

No subscription, no software license, no hidden limits.

📱

Works anywhere

Same experience on desktop, laptop, or mobile — no app to install.

🎛

Real control

Quality, size, color, and branding decisions stay entirely in your hands.

📦

Ready-to-ship output

Files come out renamed, resized, and packed into one ZIP — ready to upload.

Example

A typical before & after

Say a store owner has forty product photos straight out of a phone camera — large PNG files, inconsistent dimensions, no branding. Before publishing them, every photo needs to be lighter, uniformly sized, and watermarked with the store’s name.

Before
FormatPNG
Average size4.8 MB
Dimensions4032 × 3024
WatermarkNone
After
FormatWEBP
Average size312 KB
Dimensions1200 × 900
WatermarkBottom right
How to Use: Step-by-Step Guide

Five steps, start to finish

01

Add your images

Drag and drop files, click to browse, or paste directly from your clipboard.

02

Choose your output settings

Pick the target format, size limits, quality, filters, and watermark if needed.

03

Adjust individual images (optional)

Rotate or flip specific photos that need a quick fix before conversion.

04

Convert the batch

Run the whole queue in one click and watch the progress bar complete it.

05

Download your files

Grab a single converted image, or export everything as one ZIP file.

FAQ

Frequently Asked Questions

How do I convert a JPG to PNG for free?
Upload your JPG file, select PNG as the output format, and run the conversion. The image downloads instantly with no software or account needed.
Does converting an image reduce its quality?
It can, depending on the format and quality setting you choose. Formats like PNG are lossless, while JPG and WebP use adjustable compression — keeping quality above 80% usually preserves detail with minimal visible difference.
What is the difference between JPG and PNG?
JPG uses lossy compression and is best for photos, producing smaller files. PNG is lossless and supports transparency, making it better for logos, graphics, and screenshots.
How can I reduce an image’s file size without losing much quality?
Convert to WebP or JPG, set quality between 75-85%, and cap the maximum width to what you actually need — for most web use, 1200-1600px is plenty.
What is WebP and why do so many websites use it?
WebP is a modern image format that typically produces 25-35% smaller files than JPG or PNG at similar visual quality, which helps pages load faster.
Can I convert and resize multiple images at once?
Yes. You can upload an entire batch of images, apply the same format, size, and quality settings to all of them, and download the results together as a ZIP file.
Is it safe to convert images online?
It depends on the tool. Image Converter processes everything locally in your browser, so your files are never uploaded to a server, which removes the usual privacy risk of online converters.
Why does my converted image look blurry or pixelated?
This usually happens when an image is upscaled beyond its original resolution, or when quality is set too low. Enable “don’t upscale” and keep quality above 70% to avoid this.
What image format is best for a website?
WebP is generally the best balance of quality and file size for modern websites, with JPG as a safe fallback for older browsers and PNG reserved for images that need transparency.
Do I need to install any software to convert images?
No. Everything runs directly in your web browser, so there is nothing to download or install on your computer or phone.
Can I add a watermark while converting my images?
Yes, you can add a custom text watermark, choose its position and opacity, and it will be applied automatically across the entire batch during conversion.
What’s the best format for printing versus web use?
For printing, TIFF or high-quality PNG preserves the most detail. For the web, WebP or compressed JPG keeps files small and pages fast without a noticeable quality drop.
Found an Issue? Let Us Know!

Spotted a bug or a missing feature?

Tell Creshy exactly what happened — the file type, the settings you used, and what went wrong — and it will be looked into.

REPORT AN ISSUE
Disclaimer
Please note: Image Converter is provided as-is by Creshy, free of charge, with no warranty of any kind. While the tool processes images entirely within your own browser and does not upload or store your files, you remain responsible for keeping your own backups of original images before converting them. Format support (particularly AVIF, BMP, GIF, TIFF, and ICO) can vary between browsers, and results may fall back to PNG where a format isn’t natively supported. Creshy is not liable for any data loss, quality loss, or compatibility issues arising from the use of this tool.
Example Text Cases

Real situations this tool fits into

E-commerce

Converting a batch of product photos from PNG to WebP and resizing them to a consistent 1200px width before uploading to an online store.

Blogging

Compressing large camera photos into lightweight JPGs so a blog post loads quickly on mobile connections.

Web Development

Generating a small ICO file from a logo to use as a website favicon.

Printing

Converting web-ready JPGs into high-quality TIFF files for a print shop that requires lossless formats.

Social Media

Batch resizing and watermarking a set of images with a brand name before scheduling them for posting.

Documents & Notes

Converting scanned BMP images of handwritten notes into clean, shareable PNG files.

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