Do the math. Touch the product.
Six tools that answer the questions Firebase hopes you never ask: what does it really cost, how hard is it to leave, and how small is your data really?
The toolbox
Six tools, zero signup. Pick one and start calculating.
Firebase Bill Calculator
See what Firebase really costs at scale.
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API Playground
Touch a live InvisibleDB backend in your browser.
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Vector Search Playground
Semantic search, no Pinecone required.
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Cost Comparator
Firebase vs Supabase vs PocketHost vs InvisibleDB.
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Migration EstimatorNew
Leaving Firebase? Get your migration plan.
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SQLite Size EstimatorNew
Your entire database fits in one file.
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Developer tools
Eight mini utilities that run 100% in your browser — secret keys, hashes, UUIDs, JWT decoding, and more. Nothing ever leaves the page.
Secret Key Generator
Cryptographically secure API keys in every format.
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Hash Generator
SHA-256, SHA-384, SHA-512 digests.
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UUID Generator
Bulk UUID v4, up to 100 at once.
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JWT Decoder
Headers, claims, expiry — alg:none warnings.
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JSON Formatter
Format, minify, validate with error locations.
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Base64 Encoder / Decoder
Unicode-safe, both directions.
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URL Encoder / Decoder
Percent-encoding for URLs and components.
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Timestamp Converter
Unix, ISO, and human time.
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Done estimating? Start building.
$6.99/mo per seat, first month $1. The database file is yours.
Get started