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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.
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.
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.
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.
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.
The daily frustrations this tool removes
Product photos are too large and slow the website down.
Resize and convert to WebP with quality control to cut file size dramatically.
A platform only accepts one specific format (like ICO for a favicon).
Pick the exact output format and get a properly converted file in seconds.
Converting one image at a time for a whole folder wastes hours.
Upload the entire batch and convert, rename, and export all of it together.
Photos came out in mixed sizes and orientations.
Apply one consistent max size, rotation, and aspect ratio across every file.
Uploading personal or client photos to an unknown website feels risky.
Processing happens locally in the browser, so images are never uploaded anywhere.
The technical checklist
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.
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.
Five steps, start to finish
Add your images
Drag and drop files, click to browse, or paste directly from your clipboard.
Choose your output settings
Pick the target format, size limits, quality, filters, and watermark if needed.
Adjust individual images (optional)
Rotate or flip specific photos that need a quick fix before conversion.
Convert the batch
Run the whole queue in one click and watch the progress bar complete it.
Download your files
Grab a single converted image, or export everything as one ZIP file.
Frequently Asked Questions
How do I convert a JPG to PNG for free?
Does converting an image reduce its quality?
What is the difference between JPG and PNG?
How can I reduce an image’s file size without losing much quality?
What is WebP and why do so many websites use it?
Can I convert and resize multiple images at once?
Is it safe to convert images online?
Why does my converted image look blurry or pixelated?
What image format is best for a website?
Do I need to install any software to convert images?
Can I add a watermark while converting my images?
What’s the best format for printing versus web use?
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.
Real situations this tool fits into
Converting a batch of product photos from PNG to WebP and resizing them to a consistent 1200px width before uploading to an online store.
Compressing large camera photos into lightweight JPGs so a blog post loads quickly on mobile connections.
Generating a small ICO file from a logo to use as a website favicon.
Converting web-ready JPGs into high-quality TIFF files for a print shop that requires lossless formats.
Batch resizing and watermarking a set of images with a brand name before scheduling them for posting.
Converting scanned BMP images of handwritten notes into clean, shareable PNG files.