Developer / Claude Code User Calculators
Build great Claude Code prompts, structured-output specs and agent plans — and estimate tokens and cost.
60 tools · Top 5 most used · 100% Free
Top 5 Calculators for Developer / Claude Code Users
1
Claude Code Prompt Builder
Claude Code & dev
Use Calculator2AI Structured Output / JSON Prompt Builder
Claude Code & dev
Use Calculator3AI Agent Spec Builder
Claude Code & dev
Use Calculator4AI Token & Cost Estimator
Tokens & cost
Use Calculator5AI Data Analysis Prompt Builder
Claude Code & dev
Use CalculatorMore Useful Calculators (55)
- Local PDF Merge ToolSurvey III+IV+Dip+Adv DipPDF and image local tools
- AI Prompt Library BuilderPrompting
- AI Automation Workflow SimulatorAutomation
- AI Model Selector HelperLearning & education
- AI Privacy Redaction HelperAI safety
- AI Prompt Version ComparePrompting
- AI Workflow Risk CheckerAutomation
- AI Resume / CV Prompt BuilderBusiness & marketing
- AI Lesson Plan Prompt BuilderLearning & education
- AI Business Idea Prompt BuilderBusiness & marketing
- AI Citation Requirements Prompt BuilderAI safety
- AI Email Reply Prompt BuilderBusiness & marketing
- AI Meeting Summary Prompt BuilderBusiness & marketing
- AI Image Prompt CritiqueImage prompts
- AI Hallucination Risk CheckerAI safety
- AI Answer Quality ChecklistAI safety
- AI Image Prompt BuilderImage prompts
- AI SEO Content Brief GeneratorBusiness & marketing
- AI Context Window & Chunk PlannerTokens & cost
- Prompt Score CalculatorPrompting
- QR Code GeneratorGenerators
- Barcode GeneratorGenerators
- HEX RGB HSL Colour ConverterColour & design
- Colour Contrast CheckerColour & design
- Colour Palette GeneratorColour & design
- Aspect Ratio CalculatorSurvey III+IVColour & design
- UUID GeneratorDeveloper tools
- Random Number GeneratorDeveloper tools
- Unix Timestamp ConverterDeveloper tools
- HTML Encoder / DecoderDeveloper tools
- JWT DecoderDeveloper tools
- Regex TesterDeveloper tools
- Text Diff CheckerDeveloper tools
- Markdown to HTML ConverterDeveloper tools
- HTML to Markdown ConverterDeveloper tools
- Cron Expression ParserDeveloper tools
- PDF Rotate ToolSurvey III+IV+Dip+Adv DipPDF and image local tools
- PDF Rearrange Pages ToolPDF and image local tools
- Delete PDF Pages ToolPDF and image local tools
- PDF Page Counter & Size CheckerSurvey III+IV+Dip+Adv DipPDF and image local tools
- PDF Metadata RemoverPDF and image local tools
- Image DPI / Print Size CalculatorSurvey III+IVPDF and image local tools
- Base64 Encoder / DecoderDeveloper & data tools
- URL Encoder / DecoderDeveloper & data tools
- JSON Formatter & MinifierDeveloper & data tools
- CSV to JSON ConverterDeveloper & data tools
- Word & Character CounterText tools
- Case ConverterText tools
- Hash GeneratorDeveloper & data tools
- Line Sorter & DeduplicatorText tools
- Image ResizerSurvey III+IVPDF and image local tools
- Image ConverterSurvey III+IVPDF and image local tools
- Image CompressorSurvey III+IVPDF and image local tools
- PDF Split ToolSurvey III+IV+Dip+Adv DipPDF and image local tools
- Images to PDF ToolPDF and image local tools
