All Online Tools

Quotation Generator

Create a professional quotation and download it as PDF.

Receipt Generator

Create a simple payment receipt and download as PDF.

Redact PDF Online

Cover sensitive information on selected PDF pages.

Redirect Checker

Trace URL redirects and final destination.

Referrer-Policy Generator & Checker

Compare referrer policy choices, generate a header and inspect a live page declaration.

Regex Tester

Test regular expressions against sample text.

Remove Duplicate Lines

Remove duplicate lines from text instantly.

Remove Extra Spaces

Remove extra spaces from text and make it clean.

Repair PDF

Rebuild a readable PDF structure and download a repaired copy.

Resize Image to 100KB

Compress an image to around 100KB.

Resize Video

Change video resolution for web and social platforms.

Responsive Image srcset Generator

Create responsive srcset, sizes and picture markup from image filenames and width variants.

Reverse DNS Lookup

Find the PTR hostname associated with a public IP address.

Robots.txt Checker

Validate a robots.txt file and spot common issues.

Robots.txt Generator

Generate a clean robots.txt file for your website.

ROI Calculator

Calculate return on investment, net return and annualized ROI from cost, value and duration.

Rotate Video

Rotate video by 90, 180 or 270 degrees.

RSS & Atom Feed Finder

Discover linked RSS or Atom feeds on a public website and validate their basic XML structure.

Safe Route Diagnostic

Resolve a public host and inspect network ownership without shell access.

Salary to Hourly Calculator

Convert annual salary into monthly, weekly and hourly pay.

Savings Goal Calculator

Estimate the regular contribution needed to reach a savings goal with optional interest.

Scan Images to PDF

Combine photos or document scans into a clean multi-page PDF.

Schema Markup Generator

Generate basic JSON-LD schema markup.

Schema Markup Validator

Extract and validate JSON-LD structured data from a public webpage.

Security Headers Checker

Check important website security headers.

Security.txt Generator & Checker

Create a standards-oriented security.txt draft or inspect the file published by a website.

SERP Preview Tool

Preview your Google search result snippet.

Share Age Result

Share your age insights with friends in a beautiful way.

Sign PDF Online

Add a typed or drawn signature to a PDF in your browser.

Sitemap URL Extractor

Extract all URLs from an XML sitemap.

Social Image Safe-Zone Preview

Preview an image inside common social post, story, cover and thumbnail safe zones.

Social Media Character Counter

Count characters, words, hashtags and URLs against selectable platform writing limits.

Social Media Image Resizer

Resize images for popular social media sizes.

SPF Record Checker

Find and validate a domain SPF email policy.

Split PDF

Extract selected pages from a PDF file.

SQL Formatter

Format and indent SQL queries for easier reading.

SRI Hash Generator

Generate SHA-256, SHA-384 or SHA-512 Subresource Integrity values for a local file or public asset.

SRT ↔ VTT Subtitle Converter

Convert subtitle files between SRT and WebVTT while normalizing timestamps and cue headers.

SRT Subtitle Editor

Edit, renumber and validate SRT subtitle files.

SSH Public Key Fingerprint Viewer

Calculate SHA-256 and legacy MD5 fingerprints from an OpenSSH public key.

SSL Certificate Decoder

Decode a pasted PEM certificate without transmitting it.

SSL Checker

Verify SSL certificate validity and expiry date.

Stripe Fee Calculator

Estimate Stripe fees and your net payout.

Subdomain Finder

Discover public subdomains from certificate transparency records.

Subtitle Cleaner & Validator

Validate SRT or WebVTT cues, normalize spacing and report ordering or timestamp errors.

Subtitle Line Merger & Splitter

Merge short subtitle lines or wrap long cues to a selected character limit.

SVG Optimizer

Remove comments, editor metadata and unnecessary whitespace from SVG files.

SVG to PNG Converter

Render an SVG file as a high-quality PNG image.