GintiCalc · Developer
Encoders, formatters, generators, and string tools — the everyday dev utility belt.
MarginML
Gross margin of a per-user AI feature after tokens, retries, and cache.
VramFit
VRAM needed to serve a model, including the KV cache that grows with concurrency.
SchemaSize
Storage, RAM, and IOPS to provision for a database after indexes, replicas, and growth.
EvalPower
Samples needed to detect a real change in AI quality, and what the evaluation costs.
SunsetPlan
Effort and cost to migrate off a deprecated model before its shutdown date.
DeferMath
Savings from moving deferrable AI traffic to a discounted batch API within your SLA.
GpuLedger
Compare self-hosted GPU inference against per-token API pricing at realistic utilization.
RetrievalMath
RAG pipeline cost from ingestion and queries, divided by answers good enough to ship.
EgressLedger
Monthly data transfer cost across internet egress, CDN, cross-region, and cross-AZ.
RunCost
Compare serverless and always-on container cost, and find the break-even volume.
TokenLedger
Monthly LLM cost plus the savings from prompt caching and model routing.
ReelMath
True cost per usable minute of AI video, including rejected generations and editing.
TraceMath
Cost of one agent run including context growth, tool results, and retries.
DialMath
Real cost per completed voice-AI call outcome, after no-answers and transfers.
DeskMath
True cost per resolved ticket for an AI support desk, after escalations and reopens.
TelemetryTrim
Savings from sampling telemetry and cutting log/metric/trace retention.
B64Bridge
Encode or decode Base64 instantly, in both directions.
URLBridge
Percent-encode or decode any URL or query string.
JSONPretty
Pretty-print, minify, and validate any JSON.
IDForge
Generate cryptographically random UUID v4s.
HashKit
SHA-256 hash any text, in your browser.
PassGuard
Entropy-based strength estimate for any password.
TextStats
Words, characters, sentences, paragraphs, reading time.
LoremGen
Generate placeholder text — paragraphs, sentences, or words.
NetTools
Total bandwidth needed for concurrent users.
Estimated download time from file size and connection speed.
Transfer rate from data moved and time elapsed.
One-way latency estimate from a round-trip ping.
BuildPC
Recommended power supply wattage for a PC build.
PixelTools
Total pixel count and megapixels from a screen resolution.
Simplified aspect ratio from a width and height.
Pixel density from screen resolution and physical size.
Average bitrate from file size and duration.
Monthly cost from stored data volume and price per GB.
Requests per second from a request count and time window.
Allowed downtime at a given uptime SLA percentage.
Monthly cost from compute hours used and hourly price.
ChainTools
Transaction fee from fee rate and transaction size.
Transaction cost in ETH from gas used and gas price.
Simple staking reward estimate from principal, APY, and time.
Daily mining profit after electricity costs.
NetCalc
Network address, broadcast, host range, and subnet mask from IP + CIDR prefix.
PermCalc
Convert between octal and symbolic Unix file permission notation.
A11yColor
WCAG contrast ratio between two colors with AA/AAA pass/fail.
CertCheck
Check days remaining until an SSL/TLS certificate expires.
JWTLens
Decode a JWT token into header, payload, and expiration status.
CronParse
Parse a cron expression into a human-readable schedule description.