Free Online Tools for Developers & Everyone
Free online tools for developers, designers, and everyday tasks. JSON, Git, Kubernetes, Terraform, Nginx, calculators, converters, text tools, and more. No sign-up required.
Most used tools by our community
Model a US Section 1031 like-kind exchange: realized and recognized gain, deprec
Construction Real Estate toolsCalculate whether your A/B test results are statistically significant. Test subj
Email Marketing ToolsCheck whether a number is abundant: smaller than the sum of its proper divisors.
Number ToolsGenerate abundant numbers: n with sigma(n) > 2n, where divisors overflow: 12, 18
Number ToolsGenerate Azure Container Registry (ACR) push commands: az acr login, docker tag,
Docker toolsAdd Errors to ASCII - Simulate Data Damage
ASCII ToolsAdd errors to numbers - corrupt them so they are nearly identical but slightly w
Number ToolsAdd subtle errors to an XML document — broken tags, swapped quotes, truncated va
XML ToolsInject a tiny controlled syntax error into YAML so validators and error-handling
YAML ToolsAdd Typos to ASCII - Simulate Keyboard Typos
ASCII ToolsGenerate a valid Kubernetes Pod (v1) with nodeAffinity and podAntiAffinity rules
Kubernetes ToolsCalculate air freight chargeable weight from actual weight, package dimensions,
CalculatorFind the right tool for your task
Browse our complete collection
Model a US Section 1031 like-kind exchange: realized and recognized gain, deprec
Construction Real Estate toolsCalculate whether your A/B test results are statistically significant. Test subj
Email Marketing ToolsCheck whether a number is abundant: smaller than the sum of its proper divisors.
Number ToolsGenerate abundant numbers: n with sigma(n) > 2n, where divisors overflow: 12, 18
Number ToolsGenerate Azure Container Registry (ACR) push commands: az acr login, docker tag,
Docker toolsAdd Errors to ASCII - Simulate Data Damage
ASCII ToolsAdd errors to numbers - corrupt them so they are nearly identical but slightly w
Number ToolsAdd subtle errors to an XML document — broken tags, swapped quotes, truncated va
XML ToolsInject a tiny controlled syntax error into YAML so validators and error-handling
YAML ToolsAdd Typos to ASCII - Simulate Keyboard Typos
ASCII ToolsGenerate a valid Kubernetes Pod (v1) with nodeAffinity and podAntiAffinity rules
Kubernetes ToolsCalculate air freight chargeable weight from actual weight, package dimensions,
CalculatorGenerate an az aks create command for Azure Kubernetes Service in your browser.
Kubernetes ToolsGenerate almost perfect numbers: n with sigma(n) = 2n - 1, all known examples be
Number ToolsGenerate a full month-by-month amortization schedule: payment, principal, intere
Construction Real Estate toolsConvert electrical current in amps to power in watts using voltage and, where ap
Electrician ToolsFree number analyzer. Paste any whole number and instantly see digit frequency,
Number ToolsAND ASCII Characters browser-based ASCII utility.
ASCII ToolsEdit ANSI art with a safe terminal-style preview for common SGR colors.
ASCII ToolsStrip ANSI escape and color codes from terminal logs to get clean plain text. Re
Log toolsRemove common ANSI styling sequences and keep the underlying text.
ASCII ToolsConvert numeric values from base 2 through 36 into ASCII characters in your brow
ASCII ToolsParse Apache Common Log Format (CLF) and the Combined Log Format directly in you
Log toolsConvert Apache .htaccess rewrite, redirect and access-control rules into equival
Nginx ToolsConvert Apache access logs (CLF and Combined format) and error_log lines into cl
Log toolsAnalyze Apache and Nginx error logs: auto-detect format, extract severity and me
Log toolsConvert an Apache VirtualHost block into an Nginx server block with server_name,
Nginx ToolsCreate realistic fake JSON API responses from a sample object: realistic names,
JSON ToolsCheck pasted Kubernetes manifests for deprecated or removed apiVersions against
Kubernetes ToolsEstimate incident energy and the working-distance flash-hazard boundary for a lo
Electrician ToolsFresh tools just landed
XOR ASCII Characters browser-based ASCII utility.
ASCII ToolsUnescape ASCII Characters browser-based ASCII utility.
ASCII ToolsTurn JavaScript object literals and arrays into proper JSON strings in one step.
JSON ToolsRemove Control Characters from ASCII browser-based ASCII utility.
ASCII ToolsOR ASCII Characters browser-based ASCII utility.
ASCII ToolsNOT ASCII Characters browser-based ASCII utility.
ASCII ToolsExtract host, owner, repository, branch, and path from common Git URLs. Paste or
Git toolsEstimate a practical starting depth from commit dates. Paste or upload data, val
Git toolsSide-by-Side Diff Formatter. Format two text versions into a clean side-by-side
Git toolsBuild practical stash save, apply, pop, list, show, and drop commands. Paste or
Git toolsGenerate lightweight or annotated tag commands with verification and push steps.
Git toolsCompare semantic release versions and pre-releases. Paste or upload data, valida
Git toolsBuilt for speed, privacy, and simplicity
All tools run instantly in your browser. No waiting, no queues, no server processing delays.
Your data is processed locally and never stored on our servers. What you do stays with you.
Every tool is completely free with no hidden charges, no premium tiers, no account required.
Works flawlessly on phones, tablets, and desktops. Use any tool anywhere, anytime.