Overview
Percentage Increase Calculator is a free online tool that instantly computes percentage changes between two values. It supports both increases and decreases, displaying negative results in red. Users can enter any two of three fields (original value, new value, percentage change) and the third auto-calculates. It is ideal for salary raises, price increases, stock growth, and property value changes.
just f*ing send it** is a peer-to-peer file transfer service that lets you drop a file, get a short code, and share it. The file streams directly from your browser to theirs over an encrypted WebRTC connection — no upload, no server, no account, nothing stored. Multi-GB files and whole folders work, and if the connection drops it can resume.
Feature Comparison
| Feature | Percentage Increase Calculator | just f***ing send it |
|---|---|---|
| Primary Function | Calculates percentage change between two values | Peer-to-peer file transfer via short codes |
| User Input | Enter any two of three fields (original, new, percent) | Drop a file or folder |
| Output | Percentage change, step-by-step formula, plain English result | Short code to share with receiver |
| Real-time Updates | Results update as you type | Transfer progress shown during file send |
| Encryption | Not applicable (no data transmitted) | End-to-end encrypted WebRTC |
| Server Storage | No storage (client-side calculation) | No storage (direct peer-to-peer) |
| Account Required | No | No |
| File Size Limit | Not applicable | Multi-GB files supported |
| Resume on Drop | Not applicable | Yes, can resume interrupted transfers |
| Negative Values | Shown in red for decreases | Not applicable |
| Use Case | Salary raises, price changes, stock growth, property value | Sending large files securely without upload |
Pricing
Both tools are completely free. No registration, no ads, no hidden costs.
Pros and Cons
Percentage Increase Calculator
Pros:
- Instant auto-calculation as you type
- Handles both increases and decreases with color coding
- Shows step-by-step formula for learning
- Three-field input solves for any missing value
- No account or data storage required
Cons:
- Limited to percentage change calculations only
- No mobile app or offline mode
just f***ing send it
Pros:
- End-to-end encrypted transfers
- No server storage, files never touch a server
- Supports multi-GB files and folders
- Resume capability if connection drops
- No account needed
Cons:
- Requires both sender and receiver to be online simultaneously
- Short-lived codes must be shared carefully (one-time use)
Verdict
Choose Percentage Increase Calculator if you need quick, accurate percentage change calculations for financial or educational purposes. Choose just f***ing send it if you need to securely transfer large files directly between devices without any server storage. Both are free, no-account tools that excel in their respective niches.
just f***ing send it
Percentage Increase Calculator