Privacy first
Every utility runs client-side. Your text, JSON, credentials and calculations never leave your device — there is no upload endpoint to leak.
About PulsePick Tools
PulsePick Tools is a hub of small, fast, browser-based utilities for the people who build and publish on the web. Developers formatting an API payload, writers checking a word count, designers dialling in a shadow — the work is small, frequent and shouldn't require an account, an install or an upload.
That is the whole mission: give each of those jobs a clean, dedicated page that loads instantly and does one thing well. Every tool executes entirely in your browser using standard web APIs, so sensitive content — internal JSON, draft copy, generated passwords — stays on your machine.
Speed as a feature
Pages are lightweight and render instantly. Tools respond on every keystroke instead of behind a submit button.
Genuinely useful
We only ship tools we use ourselves, and we keep each one focused on a single job rather than bloating it with options.
Free and open access
No account, no paywall, no usage caps. Advertising keeps the hub free for everyone.
What's in the hub
- Word Counter — Count words, characters, sentences, paragraphs and reading time as you type.
- JSON Formatter — Validate, prettify and minify JSON with instant error reporting.
- Aspect Ratio Calculator — Find the missing width or height for 16:9, 4:3, 1:1, 9:16 and custom ratios.
- Case Converter — Switch text between UPPERCASE, lowercase, Title, camel, snake and kebab case.
- Percentage Calculator — Three calculators for percent of a number, ratios and percent change.
- Base64 Encoder / Decoder — Encode text to Base64 and decode Base64 strings back to plain text.
- Lorem Ipsum Generator — Generate placeholder paragraphs, sentences or words for layouts.
- Password & UUID Generator — Create strong random passwords and UUID v4 strings in your browser.
- Time & Timestamp Converter — Convert UTC to local time and Unix epoch timestamps to readable dates.
- CSS Box Shadow Generator — Design shadows visually with live preview and copy the CSS instantly.
- CSV to JSON Converter — Turn raw CSV text or an uploaded .csv file into clean, formatted JSON.
- SQL Formatter — Prettify and indent raw SQL queries with consistent keyword casing.
- URL Encoder / Decoder — Percent-encode URLs and query values, or decode encoded strings back.
- JWT Decoder — Inspect JSON Web Token headers, payload claims and expiry client-side.
- Color Converter — Convert colours between HEX, RGB, HSL and CMYK with a live swatch.
- CSS Gradient Generator — Build linear and radial gradients visually and export clean CSS.
- ROAS Calculator — Calculate return on ad spend, profit after spend and break-even ROAS.
- CPM Calculator — Solve for CPM, total ad cost or impressions from any two values.
- Meta Tag Generator — Generate SEO, Open Graph and Twitter Card tags with a live preview.
- Readability Checker — Score text with Flesch reading ease and Flesch-Kincaid grade level.
- PayPal & Stripe Fee Calculator — Work out processing fees, net payouts and the gross amount to invoice.
- Freelance Hourly Rate Calculator — Find the hourly rate you need from income goals, overheads and billable hours.
- Compound Interest Calculator — Model investment growth with monthly contributions, a chart and a yearly table.
- Image Resizer — Resize and rescale PNG, JPEG and WebP images privately in your browser.
- SVG to PNG Converter — Turn SVG files or inline markup into high-resolution PNG downloads.
- Image Color Picker — Pick pixel colors and extract a 5-color dominant palette in HEX and RGB.
- Text Diff Checker — Compare two texts or code snippets with line-by-line change highlighting.
- Markdown to HTML — Convert Markdown to clean HTML with a live side-by-side preview.
- Regex Tester — Test regular expressions live with match highlighting and capture groups.
- Social Post Previewer — Preview LinkedIn, Twitter/X and Facebook posts with live character counts.
- Churn Rate & LTV Calculator — Work out customer churn, revenue churn, net retention and lifetime value.
- UTM Link Builder — Generate clean, correctly encoded campaign tracking URLs in one click.
- Cron Expression Generator — Build and read cron schedules visually with plain-English explanations.
- Hash Generator — Compute MD5, SHA-1, SHA-256 and SHA-512 digests instantly in your browser.
- Favicon Generator — Turn any square logo into favicon.ico plus every PNG size browsers need.
- HTML Entity Encoder — Escape reserved HTML characters or decode entity strings back to text.
- Robots.txt Generator — Create valid crawler directives with allow, disallow and sitemap rules.
- Inflation Calculator — Compare purchasing power across years using US CPI data from 1913.
- JavaScript Keycode Finder — Press any key to inspect event.key, event.code, keyCode and location.
- Email Subject Line Tester — Check subject length, spam triggers and inbox truncation before sending.
How we're funded
The hub is free and supported by advertising, including ads served through Google AdSense. Ads are placed around content rather than inside tool controls, and they never influence how a tool behaves. Read our privacy policy for details on cookies and third-party vendors.