Changelog

What's New

Async QR Code Generation & Bundle Splitting

Generating complex QR codes with high error correction and customized styling shouldn't delay your page load. In v0.4.1, the QR Code Generator now leverages dynamic asynchronous imports for the underlying qrcode rendering engine:

• Zero-Cost Initial Load: The heavy QR matrix generation library is lazy-loaded on demand when generation is triggered, significantly cutting down initial client bundle size.
• Non-Blocking Bulk Generation: Bulk generation workflows are now orchestrated concurrently with Promise.all, preventing UI freezes when generating batches of URLs, Wi-Fi credentials, or vCards.
• Smoother Export Pipeline: Exporting SVG, PNG, and PDF outputs now runs asynchronously with improved progress feedback.

Auth Route Resilience & Graceful Error Handling

Authentication is critical to developer workflows. We've introduced dedicated loading skeletons and error boundaries across our Better Auth flows:

• Dedicated Loading Skeletons: Instant visual feedback on /sign-in and /sign-up routes while session state and OAuth providers resolve, eliminating layout shifts.
• Graceful Error Recovery: Integrated error.tsx boundaries for authentication routes with descriptive contextual error messages, direct retry actions, and fallback navigation paths.

Atomic Database Cascade & GDPR Account Deletion

User data privacy and data integrity are top priorities:

• Atomic Deletion Transactions: The /api/account/delete endpoint now executes inside a strict database transaction. When a user requests account removal, the system cleanly cascades across owned workspaces, workspace memberships, invites, pipeline versions, secrets, BYOK keys, billing records, credit transactions, pipeline runs, schedules, upvotes, pipelines, tool usage metrics, and audit logs.
• Sole-Owner Workspace Handling: Workspaces where the deleting user is the sole owner are automatically purged, while multi-tenant workspaces have memberships gracefully revoked.
• Foreign Key Cascade Hardening: Migration 0007_swift_living_tribunal introduces proper ON DELETE CASCADE and ON DELETE SET NULL constraints on foreign keys across pipelineVersion, templates, workspaceInvite, and workspaceMember.

High-Performance Query Indexing & Cache Revalidation

To maintain lightning-fast response times as platform usage scales:

• Targeted Composite Indexes: Added high-performance indexes across critical query paths, including pipeline (userId, updatedAt), pipeline (isPublic, upvoteCount), pipeline (workspaceId), pipelineVersion (pipelineId), pipelineRun (pipelineId, createdAt), toolUsage (userId, createdAt), and toolUsage (toolSlug, createdAt).
• On-Demand Cache Revalidation: Added an automated revalidation CLI tool (scripts/revalidate.ts) and API route (/api/revalidate) to purge and refresh statically cached tool pages, comparison hubs, and marketing routes instantly upon new deployments or content updates.

Pipeline Engine Memoization & Editor Responsiveness

• Node Memoization: DevFlow's visual canvas now memoizes pipeline nodes, reducing redundant re-renders during complex multi-node graph editing.
• Inspector Panel Ergonomics: Upgraded the node inspector panel with clearer parameter inputs, real-time validation badges, and seamless dotted-variable autocompletion.
• Robust Pipeline Store: Hardened pipeline execution state management with comprehensive test coverage for store actions, node transitions, and execution recovery.

Modular Tool Examples & Bundle Optimization

Tool sample presets have been decoupled from core logic files across 12+ developer tools:

• Cleaner Tree-Shaking: Extracting example datasets into standalone modules (*-examples.ts) keeps the primary parsing and execution logic lightweight.
• Supported Tools: Diff Viewer, GraphQL Query Builder, GraphQL to TypeScript, HTML Formatter, JQ Playground, JavaScript Minifier, Markdown Preview, Mock Data Generator, Protobuf Inspector, QR Code Generator, SQL Formatter, and SVG Optimizer.

Comprehensive Test Suite & Dependency Updates

• Expanded Unit Testing: Added comprehensive unit test coverage for pipeline execution stores, cron orchestration endpoints, ethical ad components, SEO structured data schemas, and tool action handlers.
• Upgraded Core Dependencies: Updated Vercel AI SDK (ai 7.0.107, @ai-sdk/openai, @ai-sdk/anthropic, @ai-sdk/groq), Better Auth (1.7.5), Lucide icons (1.47.0), Prettier (3.9.8), and TypeScript build toolchains.

Affected Tools

Tool	Change
QR Code Generator	Asynchronous QR generation with dynamic lazy-loading of the qrcode library, non-blocking bulk generation, and modular examples.
Markdown Preview	Enhanced preview panel rendering, smoother scroll synchronization, and extracted example presets.
Diff Viewer	Extracted sample diffs into dedicated example module for reduced initial bundle footprint.
GraphQL to TypeScript	Modularized schema examples and refined AST conversion pipeline.
GraphQL Query Builder	Modularized query examples and improved query formatting resilience.
HTML Formatter	Decoupled HTML sample presets and improved formatting error handling.
JQ Playground	Extracted sample JSON payloads and jq filter presets into standalone module.
JavaScript Minifier	Decoupled JavaScript code examples and refined minification options.
Mock Data Generator	Modularized schema template presets for faster initial component load.
Protobuf Inspector	Extracted proto definition examples and enhanced inspection stability.
SQL Formatter	Modularized sample SQL queries and optimized dialect formatting.
SVG Optimizer	Asynchronous optimization handling and modularized SVG sample presets.
JSON to Parquet	Improved error boundaries and schema validation feedback.
JSON Formatter	Refined parsing error handling and tool output chaining resilience.
Base64 Encoder/Decoder	Refactored tool output layout and copy-paste action handling.

What's New

3 New Developer Utilities (103 Tools Milestone)

We are thrilled to release wtool.dev v0.4.0, expanding our browser-based developer platform to 103 specialized utilities. Each tool executes client-side with complete privacy, zero server storage of your source payloads, and sub-millisecond execution.

• Nginx Config Validator: Validate, lint, and security-audit Nginx server configuration blocks directly in your browser. Features AST-based directive parsing, detection of unclosed blocks and missing semicolons, validation of reverse proxy proxy_pass rules, upstream pool declarations, and TLS profile hardening (flagging deprecated TLS protocols and weak cipher suites).
• OpenAPI to Pydantic: Convert OpenAPI 3.x and Swagger 2.0 specifications (YAML or JSON) into idiomatic, strongly-typed Python Pydantic v1 and v2 BaseModel classes. Includes automatic $ref resolution, Field descriptors with validation constraints, optional type handling, snake_case naming normalization, and ready-to-use snippets for FastAPI services.
• Systemd Unit Generator: Interactively generate production-ready Linux systemd .service, .timer, and .socket configuration files. Built-in security hardening presets (NoNewPrivileges, ProtectSystem, ProtectHome, PrivateTmp), granular restart policies, resource limit constraints, environment variable injection, and one-click copyable systemctl management commands.

Universal Converters Matrix Workspace (/convert)

Data transformation is one of the most frequent developer workflows. In v0.4.0, we have introduced the Universal Converters Hub powered by a dedicated bidirectional transformation engine supporting 16+ data formats and programming languages:

• Supported Formats: JSON, YAML, TOML, CSV, XML, SQL, TypeScript, Zod, JSON Schema, GraphQL, ENV, JSONL, Go, Rust, Pydantic, and C#.
• High-Performance Conversion: Instant format conversion with automated schema inference, structure normalization, and error highlighting.
• Canonical Conversion Pairs: Dedicated workspaces for popular pairs such as JSON to Zod, CSV to JSON, YAML to JSON, JSON to TypeScript, and JSON to Rust.
• Direct Pipeline Chaining: Export converted payloads directly into DevFlow pipelines or save them locally with one click.

Migrators Hub & Architectural Codemod Blueprints (/migrate)

Upgrading frameworks, build tools, or container orchestration systems often introduces breaking syntax changes and hidden deprecations. The new Migrators Hub provides specialized, step-by-step migration engines and syntax analyzers for 10 common architectural transitions:

• Containers & Infrastructure: Docker Compose to Kubernetes Pod & Deployment manifests (/migrate/docker-compose-to-kubernetes-pod), Helm Values to Kustomize (/migrate/kubernetes-helm-values-to-kustomize), and Nginx to Caddyfile (/migrate/nginx-to-caddyfile).
• Build Systems & Runtimes: npm package.json to Bun (/migrate/npm-package-json-to-bun), Webpack to Vite (/migrate/webpack-to-vite), and requirements.txt to modern pyproject.toml (/migrate/requirements-txt-to-pyproject-toml).
• Code, Testing & Linting: ESLint rc to ESLint Flat Config (/migrate/eslint-rc-to-eslint-flat-config), Jest to Vitest (/migrate/jest-to-vitest), Moment.js to date-fns (/migrate/moment-to-date-fns), and GitHub Actions to GitLab CI (/migrate/github-actions-to-gitlab-ci).
• Breaking Change Detection: Highlights non-portable directives, volume mounting caveats, and environment differences before you deploy to production.

Error Debug Workspace (/debug)

Diagnosing complex stack traces and cryptic error codes is now faster with our new Error Debug Workspace. Covering Node.js, Next.js, TypeScript, Docker, MySQL, OpenSSL, and JWT ecosystems, each guide provides:

• Root Cause Deconstruction: Step-by-step explanation of why the error occurs in modern runtime environments.
• Actionable Fixes: Copy-pasteable, production-hardened code snippets, middleware patterns, and CI quality gates.
• Common Scenarios: Detailed troubleshooting for JWT expiration and signature algorithm mismatches, Next.js 'use client' boundary violations, Docker build cache failures, and MySQL connection pool starvation under load.

Secrets Vault & Bring Your Own Key (BYOK)

Security and sovereignty are fundamental to our architecture:

• Encrypted Secrets Vault (/settings/secrets): Store environment credentials, webhook signing secrets, and database connection strings using industry-standard AES-256-GCM encryption with unique initialization vectors and authentication tags. Plaintext secrets are never logged or exposed in client bundles.
• Bring Your Own Key (BYOK) for AI (/settings): Configure your personal OpenAI, Anthropic Claude, or Groq API keys. BYOK keys bypass platform-level AI rate limits, giving developers unrestricted AI autofix, prompt scanning, and code explanation capabilities across the entire platform.

Pipelines 2.0: Cloud Execution, Webhooks & CLI Sync

We have significantly upgraded the DevFlow visual pipeline engine:

• Nested Dotted Variable Interpolation: Access nested JSON and output fields seamlessly using {{node.output.field.subfield}} syntax across connected nodes.
• Dedicated Output Nodes: Model explicit terminal outputs, preview execution payloads, and extract download artifacts cleanly.
• Incoming Webhooks & External API: Trigger visual pipelines programmatically via dedicated webhook endpoints (/api/v1/wh/:slug) or execute pipelines headlessly through authenticated API routes (/api/v1/pipelines/:id/run).
• Cron Orchestration: Support for automated, scheduled pipeline runs integrated with background job workers.
• Public Pipeline Gallery & Dynamic OG Previews: Browse community pipelines in /explore/pipelines and share interactive workflows with auto-generated OpenGraph preview cards (/api/og/pipeline).
• @devflow/adapters & CLI Sync: The DevFlow CLI now supports cloud synchronization (devflow pull, devflow push, devflow login) alongside local offline execution (devflow run --offline) powered by our standalone @devflow/adapters package.

Tool UX: Chaining Dock, Format Sniffer & Quick Launcher

• Tool Chaining Dock: Seamlessly forward output from any developer tool directly into downstream utilities (e.g. decode a JWT, forward the payload to the JSON Formatter, and pipe the result into the Base64 encoder) without copy-paste friction.
• Smart Format Sniffing: Automatic input detection alerts users when pasted data does not match the active tool format, offering single-click redirection or automated repair.
• Quick Tool Launcher: Command-K / Spotlight-style launcher to search, switch, and execute developer tools instantly from anywhere on the platform.
• Embeddable Tools & Badges: Embed full interactive tools into documentation or blogs via /embed/:slug with customizable themes, or display live tool availability with dynamic SVG badges (/api/badge/:slug).

Billing, Subscriptions & Competitive Comparisons

• Growth & Pro Tiers: Integrated Razorpay subscription billing with automated webhook handling, flexible monthly/annual plans, and generous usage quotas.
• Quota Metering & Trial System: Real-time quota meters in the navigation bar and graceful quota wall dialogs ensure predictable resource consumption.
• 30+ Programmatic Comparison Pages: In-depth side-by-side comparisons highlighting wtool.dev advantages over legacy single-purpose utilities (e.g. JWT Decoder vs jwt.io, Cron Parser vs crontab.guru, and JSON Formatter vs jsonlint).
• 20+ New Glossary Definitions: Expanded technical glossary covering modern web and systems standards, including OAuth2, PKCE, WebAuthn, Passkeys, CORS, HSTS, Brotli, JSON Patch, WASM, and SBOM.

Affected Tools

Tool	Change
Nginx Config Validator	New tool: In-browser Nginx configuration linter, syntax checker, and TLS security analyzer.
OpenAPI to Pydantic	New tool: Generate strongly-typed Python Pydantic v1 & v2 BaseModel classes from OpenAPI 3.x and Swagger specs.
Systemd Unit Generator	New tool: Visual Linux systemd unit builder with security sandboxing, auto-restart policies, and CLI commands.
JSON Formatter	Added tool output chaining dock, smart format sniffing, and one-click pipeline export.
JWT Decoder	Added instant chaining into JSON Formatter and Base64 encoder, with expiry status indicators.
Webhook Tester	Added expiration status banners, pipeline trigger integration, and webhook payload relay.
Nginx Config Generator	Linked with Nginx Config Validator for instant round-trip configuration testing.
OpenAPI to TypeScript	Enhanced schema parsing compatibility shared with the OpenAPI to Pydantic engine.
Dockerfile Linter	Integrated with Systemd Unit Generator and Migrators Hub for container-to-host workflows.

What's New

100 Developer Tools Milestone (5 New Specialized Utilities)

We are proud to announce wtool.dev v0.3.0, marking a major milestone: 100 client-side developer utilities running privately, securely, and instantaneously in your browser. This release introduces five new heavy-duty tools powered by WebAssembly, distributed observability diagnostics, modern web server orchestration, and multi-model AI tool interoperability.

• SQLite Viewer & SQL Playground: Open and query SQLite databases (.db, .sqlite, .sqlite3) directly in your browser with zero server uploads using in-memory WebAssembly (sql.js). Features a multi-tab SQL editor with syntax highlighting, runtime performance benchmarks, interactive table schemas with pagination and sorting, EXPLAIN QUERY PLAN tree visualization for query optimization, a visual Table Creator for schema modeling, and one-click data export to CSV, JSON, and SQL insert statements.
• JQ Playground & Filter Workbench: Build, test, and debug complex JQ transformation queries in real time with client-side WebAssembly execution (jq-wasm). Includes built-in recipe libraries for array filtering, key mapping, conditional aggregation, and structural flattening, paired with syntax error highlighting and side-by-side formatted or raw text output streams.
• OpenTelemetry Trace Analyzer: Visualize and diagnose distributed tracing payloads using standard OpenTelemetry (OTLP) JSON. Inspect multi-service execution flows with interactive waterfall Gantt charts, hierarchical span trees, latency bottleneck detection, critical path highlighting, and structured span attribute/event inspection for microservices and cloud workloads.
• Nginx Config Generator: Design, customize, and export production-ready, security-hardened Nginx configurations through an intuitive visual interface. Configure reverse proxy paths, Single Page Application (SPA) fallbacks, PHP-FPM sockets, and upstream load balancers alongside automated Certbot SSL setup, Mozilla Modern/Intermediate TLS profiles, HTTP/2 & HTTP/3 (QUIC), Gzip/Brotli compression, rate limiting zones, and strict HTTP security headers (CSP, HSTS, X-Frame-Options).
• LLM Tool & Function Calling Converter: Bridge the gap between AI developer ecosystems by converting tool and function calling schemas seamlessly across OpenAI, Anthropic Claude, Google Gemini, Ollama, LangChain, Vercel AI SDK, JSON Schema, and TypeScript interface definitions. Includes live schema validation and instantaneous multi-target code generation.

Image Converter Format Detection & Optimization

We have upgraded the Image Converter with intelligent file signature and magic byte format detection. This resolves issues where mismatched file extensions caused unexpected transcode behaviors. In addition, conversion pipelines across WebP, AVIF, PNG, JPEG, and SVG now intelligently prevent file size inflation by preserving optimal chroma subsampling and default compression targets during format conversions.

25+ New Technical Guides & 40+ Architecture Glossary Terms

Our Technical Guides and Developer Glossary libraries have expanded significantly with over 25 new engineering deep dives and 40+ glossary reference entries. New topics provide practical, production-ready code examples and security checklists:

• Data Serialization & Code Generation: Deep dives on converting JSON payloads into strongly typed models across C# (.NET), Go structs, Dart/Flutter, Rust Serde, Python Pydantic, and TypeScript.
• Security & Systems Engineering: Guides covering Dockerfile security benchmarks, multi-stage layer caching, cryptographic hashing standards (SHA-256, SHA-3, BLAKE2, HMAC), reverse DNS & PTR email deliverability, and Nginx reverse proxy architecture.
• Modern Web & Styling: Practical guides for modern CSS selectors (:has(), specificity rules), OKLCH / Display-P3 color spaces, and CSS keyframe animation performance.
• AI Systems & Observability: Guides on structured JSON outputs, prompt injection defenses, prompt caching cost reduction, and OpenTelemetry span analysis.

Affected Tools

Tool	Change
SQLite Viewer	New tool: WASM-powered SQLite database explorer, SQL editor, query plan visualizer, and table creator.
JQ Playground	New tool: WASM-powered JQ query builder, filter tester, live error diagnostics, and preset recipes.
OpenTelemetry Trace Analyzer	New tool: OTLP trace debugger with waterfall Gantt charts, hierarchical span trees, and bottleneck detection.
Nginx Config Generator	New tool: Visual Nginx configuration builder with TLS profiles, HTTP/3, reverse proxies, and security hardening.
LLM Tool Converter	New tool: Multi-format LLM function/tool calling schema translator for OpenAI, Claude, Gemini, Ollama, and LangChain.
Image Converter	Magic byte format detection, size inflation prevention, and improved compression presets.

What's New

7 New Developer Utilities (Expanding to 95 Tools)

We are excited to release wtool.dev v0.2.0, introducing seven major developer tools designed to streamline daily network debugging, container security auditing, schema modeling, and asset optimization. With this release, wtool.dev now provides 95 specialized developer utilities running privately and securely in your browser.

• JSON Schema Visualizer: Transform complex JSON Schemas into interactive visual hierarchy diagrams, collapsible tree explorers, and auto-generated technical documentation. Includes a one-click realistic mock data generator and code export panel supporting Draft-04 through Draft 2020-12 specifications.
• CIDR & Subnet Calculator: Plan and audit cloud network topologies with an interactive 32-bit visual bitmask explorer. Subdivide parent CIDR blocks into child subnets with the subnet splitter, test IP address containment, and export subnet allocation tables directly to CSV and Markdown.
• Dockerfile Linter: Audit Dockerfiles against industry security benchmarks and container best practices. Identify root execution risks, credential leaks, inefficient cache layer ordering, and missing package manager cleanup steps with actionable auto-fix suggestions.
• Image Converter: Convert and compress images across WebP, AVIF, PNG, JPEG, and SVG formats. Features client-side in-browser canvas and WASM transcoding for complete privacy, high-fidelity server conversions, batch queue processing, and customizable dimension/quality parameters.
• OpenAPI to TypeScript Generator: Convert Swagger 2.0 and OpenAPI 3.0/3.1 specifications into strongly-typed TypeScript interfaces, request bodies, query parameters, and response schemas ready to drop into frontend and backend applications.
• SSL/TLS Certificate Decoder: Inspect X.509 certificates and PEM blocks, verify Subject Alternative Names (SANs), check certificate expiration timelines, evaluate root-to-leaf trust chains, and diagnose remote server TLS configurations.
• WebSocket Client & Frame Tester: Test and debug real-time WebSocket endpoints with custom headers, frame logging, payload templating, ping/pong latency measurements, reconnection simulators, and exportable client snippets in Node.js, Python, and Go.

45+ Comprehensive Technical Engineering Guides

Navigating distributed systems, web security standards, and modern API protocols often requires deep reference documentation. In this release, we've launched our new Technical Guides Library containing 45+ production-ready guides with practical code examples, security checklists, and debugging strategies.

The new guides library is accessible directly through our interactive Guides Directory, featuring instant client-side search, category filtering, reading time estimates, table-of-contents navigation, and context-aware links to related developer tools. Featured topics include:

• Networking & Security: Subnetting & CIDR calculations, DMARC/SPF/DKIM email deliverability, SSL certificate troubleshooting, HMAC webhook verification, and CSP header policies.
• Data & API Protocols: JSON Schema to Zod/Pydantic transformations, GraphQL type generation, OpenAPI automation, and Server-Sent Events vs. WebSockets trade-offs.
• DevOps & Containers: Dockerfile multi-stage build optimization, Docker Compose to Kubernetes migrations, and GitHub Actions workflow debugging.
• AI Engineering: LLM token budgeting, prompt caching cost reduction, and structured JSON output schema validation.

Platform Performance, Sitemap & IndexNow Synchronization

We have upgraded our platform indexing infrastructure to ensure instantaneous search engine visibility for all developer resources. With automated sitemap generation and IndexNow ping integrations, updates across all 95 tools, category hubs, and engineering guides are indexed faster than ever.

Affected Tools

Tool	Change
JSON Schema Visualizer	New tool: Interactive visual diagrams, documentation generator, tree navigation, and mock data synthesizer.
CIDR & Subnet Calculator	New tool: 32-bit visual bitmask explorer, subnet splitter, IP containment checker, and CSV/Markdown export.
Dockerfile Linter	New tool: Multi-stage Dockerfile rule validation, security risk analysis, and auto-fix code recommendations.
Image Converter	New tool: Privacy-first client & server image conversion across WebP, AVIF, PNG, JPEG, SVG with batch processing.
OpenAPI to TypeScript	New tool: OpenAPI 3.x and Swagger spec parser generating strict TypeScript interfaces and API client contracts.
SSL/TLS Decoder	New tool: X.509 certificate inspector, SAN parsing, trust chain verification, and remote SSL health check.
WebSocket Tester	New tool: Live WS/WSS debugging client, frame inspector, ping/pong latency monitor, and code snippet export.

What's New

88 Client-Side Developer Utilities

We are thrilled to unveil the initial release of wtool.dev, an all-in-one developer workspace designed for speed, privacy, and seamless workflow automation. With 88 specialized tools running client-side in your browser, you can format, encode, decode, validate, and convert data without your payloads ever leaving your machine.

Whether you are debugging a nested payload in the JSON Formatter, verifying signature headers with the JWT Decoder, optimizing complex pattern matches in the Regex Tester, or computing tokens with the AI Cost Calculator, every utility provides instantaneous feedback, robust input validation, and copy-ready outputs.

Visual Pipeline Builder

Complex developer workflows frequently require chaining multiple steps together — for example, decoding a Base64 string, beautifying the nested JSON, and extracting specific fields. Our interactive Pipeline Builder enables you to connect tools together in a visual, node-based workspace. Outputs from one utility instantly feed into the next, eliminating repetitive manual copying and pasting between disconnected tabs.

Pipelines can be saved locally, exported, or published directly to the community to assist teammates and other developers solving similar data transformation challenges.

AI-Powered Explanations and Auto-Fix

When dealing with unfamiliar cryptographic tokens, distorted serialization payloads, or malformed regex patterns, developer productivity often stalls on diagnosis. wtool.dev introduces built-in AI assistance powered by multi-provider intelligence.

With a single click, you can generate plain-English explanations of complex data structures, diagnose syntax or validation failures, and auto-repair broken inputs directly inside supported tool interfaces.

Community Hub and Modern Developer UX

Discover and fork pre-configured transformation flows via our Community Explore catalog. wtool.dev is built from the ground up for modern engineering workflows:

• Instant Command Palette (⌘K): Navigate between all 88 tools and saved pipelines in milliseconds.
• Adaptive Dark Mode & Responsive Layouts: Built with fluid ergonomics for compact laptops and expansive multi-monitor setups alike.
• Privacy-First Architecture: Sensitive secrets, private tokens, and internal company schemas remain in your browser session.

Affected Tools

Tool	Change
JSON Formatter	Syntax highlighting, tree navigation, schema validation, and minification.
JWT Decoder	Header/payload token inspection, expiration verification, and claim parsing.
Regex Tester	Live pattern matching, substitution preview, group extraction, and cheat sheet.
Base64 Utility	Text and binary encoding/decoding with URL-safe variant support.
Hash Generator	Cryptographic digests including MD5, SHA-1, SHA-256, and SHA-512.
UUID Generator	Bulk v1, v4, and v7 UUID creation with customizable formatting.
SQL Formatter	Dialect-aware SQL beautification for PostgreSQL, MySQL, SQLite, and BigQuery.
AI Cost Calculator	Multi-model token cost forecasting across Anthropic, OpenAI, and Groq.