JSON

[+] Prettify JSON — Format and validate JSON[+] Minify JSON — Compact JSON to a single line[+] JSON to Grid — Explore JSON as a collapsible grid[+] JSON Compare — Structural diff of two JSON documents[+] JSON Escape/Unescape — Escape or unescape JSON strings[+] Extract values from JSON — Pull all values for a field path[+] Extract JSON fields — List every field path in a document[+] JSON to XML — Convert JSON to XML

XML

[+] Prettify XML — Format XML with clean indentation[+] Minify XML — Strip whitespace from XML[+] XML to Grid — Explore XML as a collapsible grid[+] XML Compare — Diff two XML documents[+] XML Escape/Unescape — Escape or unescape XML entities[+] XML XPath Finder — Run XPath queries against XML[+] Extract values from XML — Pull all values for an element or attribute[+] Extract XML fields — List every element path in a document[+] XML to JSON — Convert XML to JSON[+] XML Schema Documenter — Readable docs from an XSD[+] XSD to XML Generator — Sample XML instance from an XSD

Base64

[+] Base64 Encoder — Text to Base64, UTF-8 aware[+] Base64 Decoder — Base64 to text, UTF-8 aware[+] Base64 to PDF — Preview and download Base64 as PDF[+] Base64 to Image — Preview and download Base64 as image[+] File to Base64 — Encode any file to Base64[+] Image to Base64 — Data URIs with CSS/HTML snippets

Text

[+] Change Delimiter — Convert between comma, pipe, tab, custom[+] Duplicate Checker — Find and remove duplicate lines[+] Character Counter — Characters, words, lines, bytes[+] Compare Text — Line diff with highlighting[+] URL Escape/Unescape — URL-encode and decode text

Security & Crypto

[+] JWT Token Decoder — Decode claims, check expiry — offline[+] Password Generator — Strong passwords via crypto RNG[+] Certificate Viewer — Inspect PEM certificates locally[+] XOR Text Decrypt — XOR encrypt/decrypt with a key[+] Mail Header Analyzer — Delivery hops, SPF/DKIM/DMARC, anti-spam verdicts[+] KeePass Viewer — Open a .kdbx database and read its entries

Date & Time

[+] Time Adder — Add and sum durations[+] Date Adder — Add days, months, business days — or diff two dates

Files

[+] File Zipper — Zip files and folders, optional password[+] File Unzipper — List and extract zip archives, passwords supported

PDF

[+] PDF Merge — Combine PDFs into one file[+] PDF Split — Split into separate PDFs or extract a page range[+] PDF Protect — Password-protect a PDF or restrict printing and copying[+] PDF Unlocker — Remove a known password or restrictions from a PDF

Apps

[+] Excalidraw — Whiteboard sketching, autosaved in your browser[+] draw.io — Flowcharts and diagrams, autosaved in your browser[+] Kanban Board — Multi-board todo/kanban, autosaved in your browser