Media
Image Compressor
Compress one image locally with quality, size, and output-format controls.
File Compression Tools
Compress files without uploading them.
Browser-based tools for compressing images, gzip files, bundling ZIP archives, and preparing smaller uploads.
Curated hub
15 ranked tools
Media
Bulk Image Compressor
Compress multiple images locally and download the results together as a ZIP archive.
Tech
File Compressor
Compress one selected file with browser-supported gzip or deflate streams.
Tech
Bulk Gzip File Compressor
Gzip multiple selected files locally, then download the compressed set as a ZIP archive.
Tech
Gzip File Compressor
Compress one file into a downloadable .gz file in the browser.
Tech
Text to Gzip Compressor
Turn pasted text into a downloadable gzip file.
Tech
ZIP File Maker
Bundle selected files into a downloadable ZIP archive without uploading them to a server.
Media
Image to WebP Converter
Convert a selected image to WebP with quality and size controls.
Media
Image Resizer
Resize an image to fit width and height limits, then download the result.
Tech
File Type and Size Checker
Check file name, extension, browser MIME type, size, and last modified date.
Media
WebP to PNG Converter
Convert a WebP image into a PNG file in the browser.
Media
Audio File Size Calculator
Estimate audio file size from duration and bitrate.
Media
Video File Size Calculator
Estimate video file size from duration, video bitrate, audio bitrate, and overhead.
Media
Screen Recording File Size Calculator
Estimate screen recording file size from duration, resolution, frame rate, and quality.
Tech
Data Transfer Time Calculator
Estimate how long a file transfer will take from file size and connection speed.
Browser-based tools for compressing images, gzip files, bundling ZIP archives, and preparing smaller uploads. This hub groups related calculators so sellers, creators, freelancers, and operators can move from one pricing question to the next without searching the full directory.