All tools
Technical toolbox for performance engineering, API testing, and development utilities.
Looking for VU planning? Start with the VU Calculator for JMeter or the VU Calculator for k6.
Most used tools
Start with the tools most likely to solve your task faster.
RPS Calculator
Estimate Requests Per Second (RPS) from users, think time and response time.
Open toolPerformance · PopularAPI Throughput Calculator
Estimate theoretical and safe API throughput.
Open toolLoad · PopularLoad Test Simulator
Predict expected RPS and total requests during tests.
Open toolPerformance · PopularAWR Analyzer
Parse Oracle AWR HTML reports locally and extract wait events, top SQL and bottleneck insights.
Open toolDeveloper · PopularJSON Formatter
Format raw JSON payloads for readability.
Open toolDeveloper · PopularUUID Generator
Generate UUIDs in bulk for testing.
Open toolDocuments · PopularCPF Generator
Generate mathematically valid CPF values for testing.
Open toolRPS Calculator
Estimate Requests Per Second (RPS) from users, think time and response time.
Open toolPerformanceAPI Throughput Calculator
Estimate theoretical and safe API throughput.
Open toolPerformanceConcurrency Calculator
Estimate concurrent users from RPS and response time.
Open toolLoadLoad Test Simulator
Predict expected RPS and total requests during tests.
Open toolLoadRamp-up Calculator
Estimate users-per-minute and users-per-second for load ramps.
Open toolLoadVirtual Users (VU) Calculator
Estimate virtual users (VUs) for load testing in JMeter and k6 from target RPS and cycle time.
Open toolLoadInfrastructure Sizing Calculator
Estimate instance count for expected throughput and safety margin.
Open toolLoadInstances Calculator
Calculate minimum and recommended number of instances.
Open toolLoadCPU Capacity Calculator
Estimate throughput capacity from CPU cores and utilization target.
Open toolLoadThread Pool Calculator
Estimate thread pool size from concurrency and blocking ratio.
Open toolLoadAPI Rate Limit Calculator
Estimate required API keys and blocked traffic based on rate limits.
Open toolLoadBurst Traffic Calculator
Model temporary traffic spikes and extra request volume.
Open toolLoadLoad Distribution Calculator
Distribute total RPS across service nodes by weights.
Open toolLoadNode Capacity Calculator
Estimate raw and safe capacity from node count and reserve.
Open toolPerformanceAWR Analyzer
Parse Oracle AWR HTML reports locally and extract wait events, top SQL and bottleneck insights.
Open toolPerformanceSQL ID Calculator
Generate Oracle SQL_ID values from SQL text for AWR and ASH correlation.
Open toolPerformanceSQL ID Lookup
Investigate Oracle SQL_ID values with guided performance diagnostics.
Open toolDeveloperJSON Formatter
Format raw JSON payloads for readability.
Open toolDeveloperJSON Validator
Validate JSON payload syntax quickly.
Open toolDeveloperUUID Generator
Generate UUIDs in bulk for testing.
Open toolDeveloperTimestamp Converter
Convert Unix timestamps (seconds or milliseconds) and ISO dates.
Open toolDeveloperEpoch Converter
Convert epoch timestamps and ISO dates.
Open toolDeveloperBase64 Encoder
Encode text as Base64.
Open toolDeveloperBase64 Decoder
Decode Base64 strings.
Open toolDeveloperURL Encoder
Encode URL/query parameters.
Open toolDeveloperURL Decoder
Decode URL-encoded text.
Open toolDeveloperMD5 Generator
Generate MD5 hashes from text.
Open toolDeveloperSHA-256 Generator
Generate SHA-256 hashes from text.
Open toolDeveloperPassword Generator
Generate secure passwords in bulk with configurable rules.
Open toolDocumentsCPF Generator
Generate mathematically valid CPF values for testing.
Open toolDocumentsCPF Validator
Validate CPF check digits.
Open toolDocumentsCNPJ Generator
Generate mathematically valid CNPJ values for testing.
Open toolDocumentsCNPJ Validator
Validate CNPJ check digits.
Open toolDocumentsCredit Card Generator
Generate mathematically valid test card numbers (Luhn).
Open toolDocumentsCredit Card Validator
Validate card number format and checksum.
Open toolDocumentsIBAN Validator
Validate IBAN values using country-length and mod-97 rules.
Open toolDocumentsVAT Validator
Validate VAT numbers for DE, FR, ES and IT.
Open toolDocumentsSSN Validator
Validate SSN format and known invalid ranges.
Open toolDocumentsChina ID Validator
Validate China Resident ID checksum and date fields.
Open toolDocumentsRandom Identity Generator
Generate random identity records for testing workflows.
Open toolDocumentsFake Address Generator
Generate fake addresses for forms and QA datasets.
Open toolDocumentsFake Email Generator
Generate fake email addresses for testing.
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