A locally hosted web-based PDF manipulation tool. Perform operations like splitting, merging, converting, reorganizing, adding images, rotating, and compressing PDF files. It offers a comprehensive suite for all your PDF needs.
A versatile collection of tools for images, video, text, lists, dates, math, and more. Includes image resizing, video trimming, case converters, date calculators, prime number generators, and JSON/PDF utilities.
A self-hosted online file converter supporting over a thousand formats. Features include batch processing, password protection, and multiple account support for efficient file conversions.
A lightweight, self-hosted PDF toolkit for quick operations like merge, split, compress, and convert — fast and privacy-friendly.
The Cyber Swiss Army Knife for encoding, encryption, compression, hashing, and more. This intuitive web app allows technical and non-technical users to perform complex data manipulations easily within a browser.
Image compression, EXIF removal, and Gemini AI watermark remover. Reverses Google Gemini's star watermark and strips invisible AI metadata — 100% client-side, no uploads.
Quickly retrieve your public IP address. This is the simplest tool for finding out how the internet sees you.
curl https://ip.kpsn.dev
wget -qO- https://ip.kpsn.dev
Get a detailed, plain-text report of your connection details, including ISP, location, ASN, and user agent.
curl https://ipe.kpsn.dev
wget -qO- https://ipe.kpsn.dev
Retrieve comprehensive connection details in a clean JSON format, perfect for automated scripts.
curl https://ipj.kpsn.dev
curl https://ipj.kpsn.dev | jq
View the full HTTP request headers sent by your browser or client. Useful for debugging cookies, caching, and user agents.
curl https://iph.kpsn.dev
wget -qO- https://iph.kpsn.dev
Specifically checks for and displays your public IPv4 address. Also available at ip4.kpsn.dev.
curl https://ipv4.kpsn.dev
wget -qO- https://ipv4.kpsn.dev
Specifically checks for and displays your public IPv6 address. Also available at ip6.kpsn.dev.
curl https://ipv6.kpsn.dev
wget -qO- https://ipv6.kpsn.dev