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Coinfox

Coinfox is a JavaScript-based cryptocurrency portfolio tracker for entering coin quantities and average cost basis, then reviewing portfolio and per-coin values, gains or losses, and one-year price history.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Coinfox — OpenViST project profile in Consumer Crypto Apps.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Coinfox for a manually entered overview of holdings, cost basis and price history, or to transfer saved portfolio data between devices.

Who it is for

  • People who want to record cryptocurrency holdings and cost basis.
  • Portfolio holders who want to review coin-level values and overall gains or losses.
  • Users who want to move saved holdings between devices.

Documented uses

  • Record a coin ticker, quantity held and average cost basis.
  • Review portfolio value and gains or losses alongside current coin prices.
  • Check a coin's portfolio share and one-year price history.
  • Export and import saved holdings to transfer them between devices.
Before you choose

Requirements & limits

  • The add form requires ticker, average cost basis per coin in dollars, and quantity held.
  • The README lists multi-currency display, including USD, EUR, GBP, JPY and AUD.
  • Holdings transfer uses a downloaded save file and copying its contents into the import area on another device.
  • The project is public JavaScript software licensed under GPL-3.0.
  • The project states that price data is not guaranteed accurate and cautions against trading based on it.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Record a cryptocurrency holding

Add a coin and view it in the portfolio holdings list.

Before you start

  • The coin ticker, such as BTC, LTC, ETC or DOGE
  • The average cost basis per coin in dollars
  • The quantity of coins held

Steps

  1. Open the coin-add form from the hamburger menu.

  2. Enter the ticker, average cost basis per coin, and quantity held.

  3. Review the holdings list, which includes total portfolio value and gain or loss.

Expected outcome

The coin is represented in the holdings list, with portfolio totals and per-coin information.

Guide limitations

  • Coinfox says its price data is not guaranteed accurate and cautions against executing trades based on it.
Documentation 1 ↗
Source-based practical guide

Transfer saved holdings to another device

Carry portfolio data to another device using Coinfox's save file.

Before you start

  • Access to Coinfox on the device with the saved holdings
  • Access to Coinfox on the destination device

Steps

  1. Use the menu to download the save file on the device containing the holdings.

  2. On the destination device, copy the save-file contents into the import area near the bottom of the menu.

  3. Save the imported contents.

Expected outcome

The README describes the destination device as holding the transferred portfolio data.

Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
8 October 2026
Original website title
vinniejames/coinfox · Official homepage title · retained in its source language
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