Claude Tokenizer
Count tokens for Claude Opus, Sonnet, GPT-4o, and Gemini. Upload text, PDFs, images. Free, no data stored. By MemoryPlugin.
Editor's Verdict
Key Takeaways
- Token Counting
- Multi-Model Support
- File Upload
- Prompt Splitter
In-Depth Review: What is Claude Tokenizer?
Claude Tokenizer is a free online tool that accurately counts tokens for the latest Claude models (Opus 4.8, Sonnet 5, Fable 5) as well as GPT-4o and Gemini. You can upload text files, PDFs, or images, or simply paste text. The tool discards all uploaded data immediately after processing, ensuring privacy. It also includes a prompt splitter for long messages. Built by MemoryPlugin to help you manage AI token limits effortlessly.
Core Features
Token Counting
Count tokens for Claude Opus 4.8, Sonnet 5, Fable 5 and more.
Multi-Model Support
Supports token counting for Claude, GPT-4o, and Gemini, showing counts where available.
File Upload
Upload text files, PDFs, or images for tokenization.
Prompt Splitter
Split long text into multiple messages to fit within token limits.
Privacy
No data stored; all files and text discarded immediately after processing.
Free Tool
Completely free to use with no charges.
Pricing
Free
- Token counting for Claude, GPT-4o, Gemini
- File upload (text, PDF, images)
- Prompt splitter
- Privacy-focused (no storage)
Pros and Cons
Pros
- FreeThe tool is completely free to use without any hidden charges.
- PrivacyNo data storage ensures user privacy and security.
- Multi-Model SupportSupports token counting for multiple AI models beyond Claude, including GPT-4o and Gemini.
- File UploadAccepts text files, PDFs, and images for easy tokenization.
- Prompt SplitterHelps manage long prompts by splitting them into multiple messages.
Cons
- Limited FunctionalityOnly provides token counting; no other analysis or AI features.
- Inconsistent TokenizationNewer tokenizer may produce varying token counts compared to older versions.
- No Direct PricingAdvanced features may be part of paid MemoryPlugin service, not included here.
Use Cases & Recommended Professions
AI Researcher→ View Toolkit
Need to estimate token usage for experiments and model comparison.
Software Engineer→ View Toolkit
Integrate token limits into applications that use AI APIs.
Content Creator→ View Toolkit
Manage token budgets when generating content with AI.
Data Scientist→ View Toolkit
Preprocess text data and understand tokenization for NLP tasks.
Product Manager→ View Toolkit
Plan costs and usage limits for AI features based on token consumption.
Student→ View Toolkit
Learn about tokenization and token counting in AI models.
Frequently Asked Questions
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ℹ️ Curation Disclosure: The overview and features of Claude Tokenizer were synthesized using AI and fact-checked by our curation team to ensure accuracy.
