Our favourite carbon-tracking apps, tools, and plugins (2025 edition)

Whether you're a small business going green or a software team building an eco-friendly checkout experience, there’s a new generation of carbon tracking apps in 2025 and carbon management platforms built for exactly that. These tools don’t just tally emissions—they integrate with your Enterprise Resource Planning (ERP), sync with financial data, automate Scope 3 estimations, and even let you offset in real time. The options are powerful. And they’re multiplying fast.

Close-up of a woman using DGB’s CO₂ Expert tool.

That’s why we’ve pulled together this curated list of our favourite carbon tracking tools for businesses, carbon footprint apps for individuals, and climate-focused carbon management plugins—all updated for 2025. You’ll find everything from enterprise-grade AI-powered carbon management platforms to lightweight calculators for SMEs and gamified tools that make using a carbon footprint tracker easy and hassle-free.

Throughout this guide, we break down what each tool can do, with real data, clear use cases, and a closer look at how DGB’s CO₂ Expert tool is raising the bar on what businesses should expect from carbon tracking. If you're ready to go from carbon confusion to carbon confidence, you're in the right place.

The standouts: Our 2025 favourites by use case

For data-driven businesses

These carbon tracking tools for businesses provide the infrastructure companies need to comply with environmental regulations, manage emissions data, and prepare reports across Scopes 1, 2, and 3. While their design and focus vary, all are tailored towards professional sustainability management.

DGB’s CO₂ Expert tool

Built by DGB Group, the CO₂ Expert tool is a comprehensive and easy-to-use solution that spans the full carbon management cycle—from accurate footprint calculation to verified offsetting and reporting. It supports real-time data inputs, full Scope 1–3 emissions tracking across various locations and operations, and alignment with GHG Protocol, PAS 2060, and ISO 14064 standards. It is built to support businesses of all sizes, and can be accessed for free. 

What sets it apart:

• Automatic footprint calculation using the most up-to-date emissions factors and various data-input models 
• Tools to track and compare emissions over time to monitor progress
• Ability to set emissions reduction targets per Scope
• Built-in benchmarking, unlimited measurements, locations, and data points
• Seamless transition from carbon footprint calculation to verified offsetting through DGB’s own portfolio of nature-based carbon units
• Direct access to purchase carbon units, compensate for your footprint, and receive a carbon-neutral certificate
• Auto-generated reports for stakeholder engagement and regulatory reporting (eg, CSRD, SEC)
• Team collaboration with flexible user access controls for distributed teams
• Expert support integrated directly into the platform, including validated reporting

DGB’s CO₂ Expert tool.

For companies looking to effectively reach net zero and consolidate their sustainability workflow, from measurement to verified neutrality, this free online carbon management platform offers a unified path with tangible outcomes and expert support.

Normative

Normative is a carbon accounting software platform that focuses on automating emissions tracking using financial and operational data. Its key function is the analysis of Scope 3 emissions, which it calculates by matching spend data to a large database of emissions factors.

Platform capabilities:

• Full Scope 1–3 accounting via transaction-level data ingestion
• Templates for disclosures aligned with SBTi, CDP, and CSRD
• Strategic guidance and analyst support options

It’s commonly used by companies that manage significant procurement data and require structured carbon accounting capabilities.

Read more: Carbon footprint measurement: a practical guide

Sweep

Sweep is designed to handle carbon data across multiple departments, subsidiaries, or partners. It emphasises data sharing and value chain visibility, making it suitable for organisations aiming to collaborate with suppliers and teams on environmental action.

Key functions:

• Distributed data entry and analysis dashboards
• Scope 3 supply chain engagement workflows
• Reporting alignment with CSRD and SFDR

For companies asking how to track Scope 3 emissions in 2025, Sweep offers tools for collaborative data input and audit preparation.

Plan A

Plan A offers a modular suite focused on carbon accounting, regulatory reporting, and decarbonisation planning. Its tools aim to simplify compliance while offering companies the ability to map out emission reduction strategies.

Notable features:

• Emissions tracking compliant with GHG Protocol and certified by TÜV Rheinland
• Regulation centre covering CSRD, EU Taxonomy, and SBTi
• Scenario modelling tools for target-setting

This makes it a solid choice in the category of sustainability tracking software for companies with EU reporting obligations.

Read more: Overcoming sustainability challenges: practical solutions for your business

For startups and SMEs

These platforms are tailored for smaller teams or companies that need quick setup, simple interfaces, and scalable pricing. Each serves as carbon accounting software for SMEs, helping them report and manage emissions efficiently.

Read more: SME carbon footprints: a practical guide

DGB’s CO₂ Expert tool

For small and medium-sized businesses, the CO₂ Expert Tool offers a simplified, standards-aligned path to carbon tracking and action. It’s built to remove the complexity often associated with sustainability reporting—giving SMEs the tools to measure, manage, and communicate their emissions data with confidence.

Core features include:

• An intuitive carbon footprint calculator tailored to typical SME operations
• Step-by-step user guidance to support a smooth onboarding and measurement process
• Scope 1–3 estimates based on available business activity, not heavy datasets
• Exportable, audit-ready reports (including graphics and bar charts) for grants, tenders, and stakeholder communication
• Tools to compare emissions across different reporting years
• Ability to set and track reduction targets per emissions scope
• Access to verified nature-based offsets from DGB’s own project portfolio
• Expert support tailored to your business with validated carbon footprint reporting

Core benefits of DGB’s CO2 expert tool.

As the top choice for carbon accounting software for SMEs, the platform balances usability with global standards—making it suitable for smaller teams that need results, not jargon. The tool is available to use for free, and SMEs can book a free demo here. 

DGB’s CO2 expert tool experts.

Greenly

Greenly connects to popular business tools, including Xero and QuickBooks, to automate emissions calculations using transaction data. It uses a categorised spend-based model and provides pre-formatted reports.

Core features:

• 100+ integrations for accounting and HR platforms
• Scope 1–3 emission estimates with minimal manual input
• Optional offset services and employee engagement tools

It’s commonly used by small businesses with finance teams already working in Xero, and serves as a practical carbon accounting tool compatible with Xero.

Seedling

Seedling is a UK-based solution aimed at small businesses and first-time carbon reporters. It provides step-by-step support for emission measurement and auto-generates compliance documents like SECR and PPN 06/21 reports.

Platform highlights:

• SME-oriented Scope 1–3 calculator with UK-based emissions factors
• Support for Net Zero target planning
• Offset integration and B Corp-aligned reporting outputs

A strong option for SMEs starting their sustainability journey with limited in-house expertise.

Read more: SME sustainability tools: How they help your business grow

CarbonFact

CarbonFact specialises in product-level carbon footprint calculators for SMEs, particularly in the fashion, textile, and consumer goods sectors. It calculates emissions across a product’s lifecycle using a mix of internal data and estimates.

Key capabilities:

• SKU-level carbon estimation using materials and supply chain inputs
• Data visualisations for lifecycle stage and supplier analysis
• Integration with PLM and e-commerce systems

It’s particularly relevant for consumer brands facing product disclosure expectations in 2025.

For conscious individuals

These carbon footprint apps for individuals help users understand the climate impact of their daily habits. Most combine personal analytics with educational or behavioural tools.

Commons (Joro)

Commons, formerly known as Joro, uses spending data to estimate a user's carbon footprint. It calculates emissions across categories like food, transport, and energy.

App functions:

• Bank account integration and automatic carbon estimates
• Behavioural nudges and sustainability challenges
• Offset subscriptions through vetted projects

Often cited among the top carbon footprint calculators for individuals, especially for those focused on financial behaviour.

Read more: Sustainability simplified: Carbon footprinting for beginners

Capture

Capture monitors travel-based emissions using smartphone location data. It automatically detects the mode of transport and logs estimated CO₂ emissions.

Key features:

• Passive GPS-based tracking
• CO₂ comparisons across transport modes
• Built-in reduction prompts and offset options

A real-time carbon footprint tracker for those commuting or travelling regularly.

Earth Hero

Earth Hero provides lifestyle tracking and sustainability guidance. It includes a carbon calculator, educational content, and community features.

App functions:

• Initial footprint estimate based on user input
• Low-carbon action library and habit tracking
• Progress monitoring toward reduction targets

Ideal for users looking to match lifestyle changes with broader environmental goals.

For builders and integrators

These developer-facing tools act as carbon management plugins, enabling apps and platforms to embed offsetting and carbon tracking directly into their services.

Pachama API

Pachama provides access to forest-based offset projects, using satellite imaging and AI verification. The API is used in logistics, fintech, and e-commerce environments.

Key components:

• Offset purchases via API
• Verified reforestation projects
• Regional and impact-based project selection

It’s a reliable component in building AI-powered carbon management platforms with automated offset triggers.

Wren API

Wren’s API supports basic carbon footprint calculation and offset integration. It caters to lightweight implementations across apps and online services.

Use cases:

• Customer-triggered offsetting
• Recurring subscriptions
• Simple integration with consumer platforms

Its curated project list and simplicity suit fintech or social platforms, adding sustainability features.

Strategic shifts in carbon accounting: the 2025 outlook

Carbon tracking has matured rapidly, and 2025 is proving to be a pivotal year. The best carbon tracking apps 2025 don’t just meet compliance, they enable automation, integrations, and deeper insights across entire organisations. Here’s what’s shaping the space now.

AI-powered carbon management platforms

Several providers now operate as AI-powered carbon management platforms. These systems use machine learning to automate emissions classification, surface reduction recommendations, and improve the accuracy of Scope 3 modelling. 

Read more: Powering AI responsibly: the role of carbon compensation

How to track Scope 3 emissions in 2025

The question of how to track Scope 3 emissions in 2025 is more relevant than ever. Most leading tools now treat Scope 3 as default, not advanced. Whether through spend-based analysis, supplier engagement modules, or lifecycle product data, Scope 3 has moved from optional to essential.

Best carbon tracking apps for small businesses 2025

Small businesses are under pressure to deliver transparent reporting, especially as more large corporations demand emissions data from vendors. That’s why tools are emerging as the best carbon tracking apps for small businesses in 2025, offering pre-integrated accounting systems and ready-made reports for compliance.

Top carbon footprint calculators for individuals

Personal emissions tracking has become more intuitive and automated. The top-rated among the carbon footprint calculators for individuals offer app-based insights tied to real-world behaviour, spending patterns, and lifestyle choices.

Carbon management plugins and APIs

Integration is key. More platforms are embedding carbon management plugins to turn climate tracking into a backend function, whether through Pachama’s API, Wren’s donation logic, or ClimateTagger’s semantic tagging layer for CMSs. This shift reflects a growing trend: sustainability by design, not just intent.

From measurement to meaningful action

Carbon tracking in 2025 isn’t just about reporting—it’s about business continuity, investment readiness, and stakeholder trust. Whether you're navigating EU regulation, ESG audits, or environmental disclosures, choosing from the best carbon accounting software is no longer a nice-to-have; it’s strategic infrastructure.

This year’s field of carbon tracking apps, carbon footprint trackers, and sustainability tracking software spans enterprise giants to startup tools, with solutions for every size, sector, and level of ambition.

Yet among all the innovations, DGB’s CO₂ Expert tool stands out for companies that want more than just numbers. By combining a real-time carbon footprint calculator, Scope 3-ready analytics, offset access, and expert support into a single platform, it allows businesses to manage emissions, reach their goals, and lead in today’s market.

Hundreds of tree seedlings in rows in a tree nursery. AI generated picture. 

Because at the end of the day, carbon tracking tools for businesses shouldn’t just help you meet standards. They should help you lead and grow your business—the sustainable way.