🍃YeziBuilds

🍃 YeziBuilds

Small, precise web tools and reference tables — for AI, developers and creators. The homepage shows popular entries; full categories live in the top navigation.

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Featured entries are shown by default. Type a keyword or choose a tag to search all tools, references and hot-check pages.

AI cost

Token usage, API cost, bill back-calculation and budget planning.

ToolsAI cost

LLM API Cost Calculator

Estimate per-call, daily and monthly cost from input/output tokens and calls per day.

AI cost
Open
ToolsAI cost

LLM Cost per Call Estimator

Derive average cost per API call from total tokens, call count and cached input.

AI cost
Open

AI text

Prompt length, tokens, context windows and text estimates.

ToolsAI text

Token to Word Estimator

Convert tokens to rough English words, characters and CJK ranges, or estimate tokens from pasted text.

AI text
Open

Data format

CSV, Markdown, JSON, tables and developer-documentation formatting.

ToolsData format

CSV to Markdown Table Converter

Convert CSV, TSV, semicolon-delimited or pipe-delimited text into a copyable Markdown table.

Data format
Open

Model pricing

LLM prices, currencies, cache rates and tiered billing references.

ReferenceModel pricing

LLM API Pricing Table

Compare input, output, cached-input and tiered prices with official sources and checked dates.

Model pricing
Open

API reference

API setup, error codes, limits, request headers and debugging notes.

ReferenceAPI setup

Claude API Setup and Error Reference

A quick reference for Claude API base URL, required headers, HTTP errors, request limits and debugging notes.

API reference
Open
ReferenceAPI setup

OpenAI API Setup and Error Reference

A quick reference for Responses API, auth, organization/project headers, 429 rate limits, quota and request IDs.

API reference
Open
ReferenceAPI setup

Gemini API Setup and Error Reference

A quick reference for Gemini API keys, generateContent, Google Cloud projects, 403 permissions, 429 limits and safety debugging.

API reference
Open