What Is HiCompress and What Can You Do With It?

Updated

HiCompress is a browser-based toolkit for compressing, converting, resizing, and editing images, plus a small set of PDF utilities. It's aimed at people who need to process one file or a batch of files quickly without installing software or creating an account. If your task is "make this image smaller," "turn these PNGs into JPGs," or "merge these scans into one PDF," it's worth trying. If you need layered editing, precise color work, or a desktop-grade photo editor, it isn't a replacement for that.

What HiCompress actually is

It's an online web app that runs in your browser. The site describes itself as an all-in-one image processing toolkit and states it is "forever free and easy-to-use," with no installation or registration required. The homepage lists 50+ tools for converting, compressing, and editing images.

Two things follow from that:

  • No install, no account step described. You open a tool page, add files, and download results.
  • Batch-oriented. Many tools are explicitly described as handling multiple files at once, which matters if you're processing a folder of photos rather than a single image.

The main tool categories

The site organizes its tools into image compression, image conversion, DPI conversion, resizing, cropping, and PDF tools. Here's what each covers based on the tool listings.

Compression

Tool What the site says it does
Image Compress Reduce image size by up to 80%
JPG Compress Compress many JPG files while saving space and maintaining quality
PNG Compress Compress PNG images with lossy and lossless methods
WEBP Compress Compress WEBP images with lossy and lossless methods
Compress to 50KB Compress JPG, PNG, WEBP to 50KB in bulk
Compress to 100KB Compress JPG, PNG, WEBP to 100KB in bulk
GIF Compressor Compress GIF and animated GIFs by roughly 30–50%
Image Compressor Batch compress, reduce file size by up to 90%, supports JPG, PNG, BMP, animated GIF
Compress PDF Reduce the size of a PDF

The target-size tools (50KB, 100KB) are the ones to reach for when a form or portal gives you a hard upload limit rather than a vague "make it smaller" goal.

Conversion

  • PNG to JPG, JPG to PNG, WEBP to JPG, WEBP to PNG — each described as handling multiple files.
  • HEIC to JPG — for iPhone photos that won't open in some apps or upload fields.
  • Image Convert — bulk convert PNG, WEBP, BMP, TIFF, or RAW formats to JPG.
  • RAW Convert — transform CR2, CR3, NEF, ARW, ORF, PEF, RAF, and RAW files to JPG.
  • 300 DPI Convert — change the DPI of multiple images online.

Editing and PDF

  • Resize Image and Crop Image are listed in the all-tools menu.
  • AI Remove Background — batch background removal, described as free.
  • Photo Resizer in KB — compress to a target size in kilobytes.
  • PDF tools: JPG to PDF (with orientation and margin adjustment), Split PDF, Merge PDF, Delete Pages, PDF to JPG, and Extract Images from a PDF.

When HiCompress fits your task

Use it when the job is mechanical and repeatable:

  • You have 40 product photos that need to be under 100KB each for a listing page.
  • You shot in HEIC on a phone and need JPGs for a form that rejects HEIC.
  • You have a RAW file you want as a quick JPG without opening a full RAW editor.
  • You need to merge several scanned pages into one PDF, or pull images out of a PDF someone sent you.
  • You need a specific DPI value for a print or submission requirement.

When it doesn't

  • Precision retouching. Cropping and resizing are here; masking, curves, and layer work are not described.
  • Guaranteed output quality. Compression is inherently lossy at aggressive settings. The site claims quality is maintained, but "up to 80–90% reduction" and "maintaining quality" are in tension — always check the result before uploading it somewhere important.
  • Anything requiring an account, history, or team features. None are mentioned.

A practical way to test it

Pick the tool that matches your actual constraint, not the general one. If a portal says "max 100KB," use the 100KB tool rather than the general compressor, then open the downloaded file and check it at 100% zoom. If it looks soft, try the lossless option where offered (PNG and WEBP compressors list both lossy and lossless methods).

For batch jobs, run a small sample first — two or three files — before committing the whole folder. That way you learn the output naming and quality before you've processed 200 images.

FAQ

Is it free? The site states it is "forever free" and requires no registration. No pricing page or payment platform is referenced in the available site information.

Do I need to install anything? No. It runs in the browser.

Can it handle RAW files? Yes — CR2, CR3, NEF, ARW, ORF, PEF, RAF, and generic RAW to JPG conversion is listed.

Does it do PDFs too? Yes, but a limited set: compress, merge, split, delete pages, PDF-to-image, and image extraction.