Recently Added Tools

Look up domain and IP registration data over RDAP, the modern WHOIS.

Check and build the three DNS records that stop your domain being spoofed.

See which servers accept a domain's mail and whether its policies are set.

Check an IP or domain against the major email blacklists at once.

See which TLS versions a site accepts and whether it serves HTTP/2.

Open an .aab file and inspect its manifest, modules, ABIs, densities and size breakdown.

Get SHA-1, SHA-256 and MD5 fingerprints from a .jks or .keystore file without keytool.

Inspect the live certificate a domain serves, with expiry and chain details.

Browse and edit source archives with syntax colors, code search, syntax trees and dependency graphs.

Extract text from screenshots, scans and photos with in-browser OCR in 15 languages.

Find the city, country, ISP and ASN behind any IP address or domain.

Instantly see your public IPv4/IPv6 address, location, ISP and browser details.

Measure download, upload, latency and jitter from your browser.

Convert a Postman collection to OpenAPI 3 and back again.

Convert audio between MP3, WAV, M4A, OGG and FLAC in your browser.

Cut a section out of any audio file, add fades and export a WAV.

Join multiple audio files into one track with gaps or crossfades.

Write or import a document and save it as PDF, DOCX or DOC.

Convert Word .docx documents to a print-ready PDF in your browser.

Check if text is a palindrome and whether two texts are anagrams.

Crop, rotate, filter, annotate and layer images with text, watermarks and overlays — all in your browser.

Trim, crop, rotate, adjust speed, add fades, filters and a text watermark — export MP4, WebM or GIF in your browser.

Read an APK's signing certificate and get its SHA-1, SHA-256 and MD5 fingerprints.

Open an iOS .ipa, decode Info.plist and browse or download every file inside.