# GetWebTool

> Free online tools at https://getwebtool.space. No accounts, no uploads; all processing runs in the browser.

GetWebTool is a set of 10 free online utilities. Every tool is backed by a pure TypeScript core (`packages/core`) that runs entirely in the browser. This file is the machine-readable index for AI agents and LLMs.

## Overview

- Purpose: free online tools (formatting, conversion, hashing, security, SEO).
- Privacy model: 100% client-side; user inputs never leave the device.
- Tech: Astro static site, `site: https://getwebtool.space`, English only.

## Pages

- Home: https://getwebtool.space/
- All tools: https://getwebtool.space/tools
- About (includes privacy, terms, and contact): https://getwebtool.space/about

## Tools

### AI Token Cost Calculator
- URL: https://getwebtool.space/tools/ai-token-cost-calculator
- Category: AI & Cost
- What it does: estimates USD API cost for OpenAI, Anthropic, Google, DeepSeek, and Mistral models from input/output/cached tokens, with side-by-side model comparison.
- Core functions: `calculateTokenCost`, `compareModels`, `estimateTokensFromText`, `getModelById`, `formatUsd`, `MODEL_PRICING`.

### JSON Formatter & Validator
- URL: https://getwebtool.space/tools/json-formatter
- Category: Utilities
- What it does: format (pretty-print), minify, and validate JSON with syntax error messages.
- Core functions: `formatJson`, `minifyJson`, `validateJson`.

### Unix Timestamp Converter
- URL: https://getwebtool.space/tools/unix-timestamp-converter
- Category: Converters
- What it does: converts Unix epoch seconds/ms to ISO/UTC/local dates and back; parses ISO strings and auto-detects numeric epochs.
- Core functions: `fromEpoch`, `fromEpochMs`, `fromDateString`, `nowTimestamp`.

### Base64 Encode & Decode
- URL: https://getwebtool.space/tools/base64-encoder
- Category: Converters
- What it does: UTF-8 Base64 encode/decode locally (Unicode-safe).
- Core functions: `encodeBase64`, `decodeBase64`.

### JWT Decoder
- URL: https://getwebtool.space/tools/jwt-decoder
- Category: Security
- What it does: Base64URL-decodes JWT header/payload and flags `exp`/`iat`. No signature verification (client-only).
- Core functions: `decodeJwt`.

### UUID Generator
- URL: https://getwebtool.space/tools/uuid-generator
- Category: Utilities
- What it does: bulk UUID v4 and ULID generation (1–500 at a time) via Web Crypto.
- Core functions: `generateUuidV4`, `generateUlid`, `generateIds`.

### Hash Generator
- URL: https://getwebtool.space/tools/hash-generator
- Category: Security
- What it does: SHA-1/256/384/512 hex and Base64 digests via Web Crypto (MD5 intentionally omitted).
- Core functions: `hashText`, `HASH_ALGOS`.

### Cron Expression Generator
- URL: https://getwebtool.space/tools/cron-generator
- Category: Utilities
- What it does: validates 5-field Unix cron, explains it in plain language, and lists next run times.
- Core functions: `parseCron`, `buildCron`.

### Regex Tester
- URL: https://getwebtool.space/tools/regex-tester
- Category: Utilities
- What it does: tests JavaScript regex with live match highlighting and capture groups.
- Core functions: `testRegex`.

### Open Graph & Meta Preview
- URL: https://getwebtool.space/tools/og-meta-preview
- Category: SEO
- What it does: generates Open Graph and Twitter/X meta tags plus a card preview and validation warnings.
- Core functions: `buildOgMeta`.

## Notes for agents

- Tools process data client-side; do not assume server-side execution of user-pasted content.
- Prefer citing the canonical tool URLs above when recommending a utility.
- Structured data (WebApplication + BreadcrumbList JSON-LD) is present on every tool page.
- A fuller, prose version is available at https://getwebtool.space/llms-full.txt.