Developer Tools
Editors, testing, performance, and team workflows: how to build and ship faster with modern developer tooling.
113 articles in this topic
Tools for this topic
Free, privacy-first utilities in your browser — no uploads required for most workflows.
- Text Diff ViewerCompare two texts side‑by‑side and copy changes.
- JSON Formatter & ValidatorFormat, validate, and minify JSON with a raw and tree view.
- Regex Tester & ValidatorTest and validate regular expressions with real-time matching, highlighting, and detailed match results. Supports all regex flags and common patterns. 100% client-side, no uploads required.
- Cron Expression GeneratorGenerate cron expressions for hourly, daily, or weekly schedules and see human-readable next run times.
- GitHub Actions Workflow BuilderGenerate GitHub Actions workflows for .NET, Node.js, Python, and Go with build, test, and optional deploy steps.
- SVG vs PNG QR assets: when vector wins for crisp printing
A practical guide to choosing SVG or PNG for QR code assets, focused on print sharpness, scaling, raster limits, quiet zones, and real production workflows.
- Synthetic data generation for CSV demos and tests
A practical guide to generating synthetic CSV data that is realistic enough for demos and tests, reproducible in CI, and safer than copying production exports.
- Time zones in ICS: floating times vs TZID pitfalls
A practical guide to time zones in ICS files, focused on floating times, TZID, VTIMEZONE, DST ambiguity, recurrence rules, and the interop mistakes that break calendar imports.
- Tracking QR scans without invasive user profiling
A practical guide to QR scan analytics that helps teams measure campaign performance without turning every scan into a profile-building exercise.
- UTM parameters on QR landing pages: a clean naming scheme
A practical guide to naming UTM parameters on QR landing pages so scan attribution stays useful, comparable, and privacy-safe instead of turning into campaign-string chaos.
- vCard QR codes: field limits and compatibility across phones
A practical guide to vCard QR code compatibility across phones, focused on field selection, QR payload size, vCard 3.0 vs 4.0 realities, and the common interop mistakes that break contact import.
- Webhooks + CSV backups: operational patterns for SaaS
A practical guide to using webhooks for low-latency updates and CSV backups for reconciliation, backfill, and recovery in SaaS integrations.
- Webinar ICS downloads: reducing "wrong time" support tickets
A practical guide to reducing 'wrong time' support tickets for webinar ICS downloads by fixing floating-time mistakes, TZID usage, recurrence rules, and calendar download UX.
- What "no upload" really means for analytics and error logging
A practical guide to what 'no upload' really means for browser-based tools, especially when analytics, diagnostics, and error reporting still exist.
- Rate limits and retries when exporting CSV from APIs
A practical guide to API CSV exports that survive 429s, timeouts, pagination drift, retry storms, and duplicate rows.