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163 tools in Developer & Web

HTTP Cache-Control CDN Edge TTL Budget Optimizer

html

Development

Analyze Cache-Control directives, calculate browser/shared-cache TTL and stale budgets, detect directive conflicts, and compare static behavior notes for generic HTTP, Fastly, Cloudflare, and Akamai.

http-cache-control-cdn-edge-ttl-budget-optimizer

Snowflake / Discord ID Bit Decoder

html

Development

Decode 64-bit Snowflake-style IDs for Discord, Twitter, Mastodon, Sonyflake, Instagram, or a custom bit profile. Extract timestamp, worker/process/machine, sequence fields, align platform epochs, and infer a Discord shard when a shard count is supplied.

snowflake-discord-id-bit-decoder

Cron Expression Next Run

html

Development

Parse cron and show the next run in natural language, local time, UTC, countdown seconds, and Unix timestamps.

cron-expression-next-run

SBOM SPDX CycloneDX License Policy Auditor

text

Development

Audit SPDX 2.3 or CycloneDX 1.5 component licenses and emit SARIF with failing dependency paths

sbom-spdx-cyclonedx-license-policy-auditor

Responsive Breakpoint Visual Diff

html

Development

Render a URL at multiple viewport widths and inspect screenshots, pixel-difference heatmaps, and layout metrics in the page.

responsive-breakpoint-diff

cURL Command to HAR Converter

text

Development

Convert a cURL command into a portable HAR 1.2 request entry.

curl-to-har-converter

JSON Diff Visualizer

html

Development

Compare two JSON payloads and render a visual HTML diff with path-level additions, removals, changes, and statistics

json-diff-visualizer

HTML Minifier

text

Development

Compress HTML by removing comments, collapsing whitespace and minifying inline CSS/JS

html-minifier

SQL Query Formatter & Minifier

html

Development

Beautify or minify SQL with full control over dialect (PostgreSQL, MySQL, SQLite, SQL Server/T-SQL, BigQuery, Snowflake, and more), keyword / identifier / function casing, indent style (standard, tabular-left, tabular-right), and spacing between statements. Produces a syntax-highlighted, copy-ready result with live size and statement stats.

sql-query-formatter

SERP & Social Preview Studio

html

Development

Preview Google SERP (pixel-accurate desktop & mobile truncation), X (Twitter) Card, and OpenGraph card side by side, with pre-launch SEO diagnostics

serp-social-preview-studio

SQL Explain Plan Visualizer

html

Development

Parse EXPLAIN / EXPLAIN ANALYZE output (PostgreSQL/MySQL/SQLite) into a cost tree, flag estimated-vs-actual row divergence, and suggest indexes

sql-explain-plan-visualizer

Self-Closing HTML Tags Reference

text

Development

Complete reference guide for HTML void elements (self-closing tags), SVG elements, and MathML elements

self-closing-html-tags