Dev Utilities

Free online dev utilities to encode Base64, format and minify JavaScript, convert epoch timestamps, and slugify text. No sign-up, runs in your browser.

30 tools100% freeNo sign-upLocal-first

29tools Clear ×

Tool	Category	Action
Availability Calculator	Dev Utilities	Open
Bandwidth Cost Calculator	Dev Utilities	Open
Bundle Size Budget Calculator	Dev Utilities	Open
Cache TTL Helper	Dev Utilities	Open
CDN Cost Estimator	Dev Utilities	Open
Cloud Data Transfer Cost Calculator	Dev Utilities	Open
Cloud Storage Cost Calculator	Dev Utilities	Open
CLS Score Interpreter	Dev Utilities	Open
Concurrency Calculator	Dev Utilities	Open
Critical CSS Helper	Dev Utilities	Open
CSV to Markdown Table	Dev Utilities	Open
Date To Epoch	Dev Utilities	Open
Egress Cost Calculator	Dev Utilities	Open
Epoch To Date	Dev Utilities	Open
Fluid Typography Clamp	Dev Utilities	Open
Font Loading Budget	Dev Utilities	Open
JS Formatter	Dev Utilities	Open
JS Minifier	Dev Utilities	Open
Lazy Load Savings Calculator	Dev Utilities	Open
Query Cost Estimator	Dev Utilities	Open
Queue Depth Calculator	Dev Utilities	Open
Rate Limit Calculator	Dev Utilities	Open
Request Count Budget Calculator	Dev Utilities	Open
Requests Per Second Capacity	Dev Utilities	Open
Retry Backoff Calculator	Dev Utilities	Open
S3 Storage Class Cost Estimator	Dev Utilities	Open
SQL Minifier	Dev Utilities	Open
Text To Slug	Dev Utilities	Open
Web Page Load Time Estimator	Dev Utilities	Open