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TokenCalculator.dev VS DiffDojo

Compare TokenCalculator.dev VS DiffDojo and see what are their differences

TokenCalculator.dev

Count LLM tokens and estimate API cost from text, PDF, DOCX, code, data files, and images with privacy-first browser-based processing.

Rating
0 reviews
Pricing
Open source Free Free trial
Alternatives Is it good?
DiffDojo

The bug you can't spot today ships tomorrow. Train before the incident: one realistic AI pull request a day, graded against a canonical review. Free, no signup.

Rating
0 reviews
Alternatives Is it good?
JustDocz
Private document search for Windows. Find files by what’s inside them — locally, without uploading your documents. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

AI popularity
100% vs 0%
alternatives listed
3 vs 1

Base details

Website, pricing, platforms and company facts side by side.

TokenCalculator.dev
DiffDojo
Website tokencalculator.dev diffdojo.com
Pricing
Open source Free Free trial Official pricing
—
Platforms
N8n REST API NPM Activepieces +1
—
Company Startup from India · 1 - 9 employees · 2026 —
Listed in
LLM Observability AI AI Tools LLM +1
Developer Tools Education Code Review

About TokenCalculator.dev and DiffDojo

In their own words, as submitted to SaaSHub.

TokenCalculator.dev
DiffDojo

TokenCalculator.dev is a privacy-first, 100% browser-based LLM token counter and API cost estimator designed for AI engineers, developers, and product teams. Unlike conventional text-only calculators that require uploading sensitive prompts to third-party servers, TokenCalculator.dev processes...

Read more about TokenCalculator.dev

No description of DiffDojo yet.

Features and specs

What each product offers, as listed by its team.

TokenCalculator.dev 5 features
DiffDojo 5 features
  • 100% Client-Side Privacy
    Calculates tokens and costs entirely in the browser with zero server uploads or prompt logging.
  • Multi-Modal Vision Token Estimation
    Measures image tokens for PNG, JPEG, WebP, and GIF using official tile, patch, and media rules.
  • Document & Code Ingestion
    Extracts text and counts tokens from local PDF, DOCX, and codebase files across 20+ languages up to 12 MB.
  • Multi-Model Cost Comparison
    Live context-window fit and API cost estimation across OpenAI, Claude, Gemini, and DeepSeek.
  • Exact BPE Tokenization
    Uses local o200k_base BPE tokenization alongside deterministic provider-calibrated projections.
  • Focused Learning Tool
    Based on the name suggesting a 'dojo' for diffs, it likely provides a specialized, focused environment for practicing and understanding code differences, which can be valuable for developers looking to sharpen specific skills like code review or version control comprehension.
  • Practical Skill Building
    Tools with a 'dojo' branding typically emphasize hands-on practice, which can help users build practical, applicable skills through repetition and real-world scenarios rather than just theoretical knowledge.
  • Niche Specialization
    By focusing specifically on diffs, the platform may offer deeper, more targeted training in this particular area compared to general coding platforms that cover many topics superficially.
  • Potential for Gamification
    Dojo-style platforms often incorporate gamification elements like levels, challenges, or achievements, which can make learning more engaging and motivating for users.
  • Community Learning Environment
    Such specialized platforms may foster a community of like-minded developers focused on the same skill set, potentially leading to peer learning and shared resources.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
TokenCalculator.dev
DiffDojo
100% 100%
AI
0% 0%
0% 0%
Education
100% 100%
100% 100%
AI Tools
0% 0%
0% 0%
Code Review
100% 100%

Questions & Answers

As answered by people managing TokenCalculator.dev and DiffDojo.

What makes your product unique?

TokenCalculator.dev's answer

TokenCalculator.dev is a 100% browser-based, privacy-first token counter and API cost estimator that handles multimodal payloads without sending data to a server. Unlike conventional text-only counters, it processes pasted text, local documents (PDF, DOCX, and code in 20+ languages up to 12 MB), and image files (PNG, JPEG, WebP, GIF) entirely on the client side across OpenAI, Claude, Gemini, and DeepSeek.

Why should a person choose your product over its competitors?

TokenCalculator.dev's answer

Most token counters either require pasting text into third-party cloud servers or only support basic text inputs for a single provider. TokenCalculator.dev guarantees zero prompt or document retention, supports direct document parsing (PDF/Word/code) and visual tile/patch token calculations, and lets you compare live input costs and context-window fits across four major frontier providers simultaneously.

How would you describe the primary audience of your product?

TokenCalculator.dev's answer

AI engineers, software developers, technical product managers, and researchers who build LLM-powered applications, design RAG pipelines, or manage API token budgets and context window limits.

What's the story behind your product?

TokenCalculator.dev's answer

Developers frequently face unexpected API costs, context overflow errors, and privacy concerns when testing prompts and document payloads with online token tools. TokenCalculator.dev was created to provide a fast, transparent, and completely offline-capable developer utility that reliably measures realistic production payloads—including codebases, documents, and images—without compromising sensitive data.

Which are the primary technologies used for building your product?

TokenCalculator.dev's answer

Built with modern web technologies using TypeScript and WebAssembly/JavaScript for client-side BPE tokenization (o200k_base), browser-native text extraction parsers for PDF and DOCX, client-side Canvas APIs for image dimension inspection, and integrated model pricing metadata.

Who are some of the biggest customers of your product?

TokenCalculator.dev's answer

Independent AI Engineers & Full-Stack Developers RAG & Agentic Workflow Builders Open-Source Software Contributors Tech Startups budgeting multi-model API deployments

User comments

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Alternatives to TokenCalculator.dev and DiffDojo

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