Estimate API costs based on monthly requests, price per million calls, and number of users. Plan your API budget with confidence. Everything runs locally in your browser — nothing is uploaded.
Full-featured API client that runs in your browser — make HTTP requests, edit headers/body/params, save collections, generate code snippets (cURL/Fetch/Axios). Your API keys never touch a server — everything runs locally.
Calculate API latency budgets from SLA requirements. Distribute response time across application, database, and external service layers.
Hash API keys using SHA-256 for secure storage. Never store raw API keys — hash them before persisting to your database.
Calculate total cost of software licenses by seats, price per seat, and duration. Budget and plan your SaaS subscription costs. Everything runs locally in your browser — nothing is uploaded.
Computes cost per mille (CPM) — the cost advertisers pay per 1,000 ad impressions. Includes platform presets for YouTube, Twitch, Facebook, Instagram, TikTok, Twitter, and LinkedIn with average rates, plus RPM (revenue per mille) calculation for creators.
API Cost Estimator lets you estimate API costs based on monthly requests, price per million calls, and number of users. Plan your API budget with confidence. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Estimate API costs based on monthly requests, price per million calls, and number of users. Plan your API budget with confidence. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
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Yes. After the initial page load, API Cost Estimator runs entirely on your device with no internet connection needed. All processing is done locally.
Estimate API costs based on monthly requests, price per million calls, and number of users. Plan your API budget with confidence. All processing runs locally — no code is sent to any server.
Tools cover JavaScript, CSS, HTML, SQL, Python, JSON, XML, CSV, and more. Check the tool description for specifics.
Yes. Since processing is local, performance depends on your device. Most operations handle large files without issue.
Yes. Formatters use well-known libraries (sql-formatter, Prettier-compatible patterns) and follow widely adopted rules.
GraphQL Cost Estimator
Estimate GraphQL query complexity based on field count and nesting depth. Identify expensive queries before they hit your server.
Pricing Tier Builder
Build pricing tier descriptions from JSON input. Supports free/pro tiers with configurable pricing (monthly/annual), user limits, and feature lists.