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Convert

2FA Authenticator — End-to-end encrypted 2FA vault with live codes.
Password Vault — Zero-knowledge vault for site logins; survives password changes.
Data Format — Convert between JSON, YAML, TOML, CSV.
Base64 — Encode / decode text & files in Base64.
URL Encode — Encode / decode URL components.
JWT Decode — Inspect JWT header & payload.
Regex Tester — Live-highlight matches, debug regex.
Timestamp — Convert Unix timestamps and dates.
Hash — Generate MD5 / SHA-1 / SHA-256.
Cron Parser — Explain a cron expression and preview next run times.
JSON Formatter — Pretty-print, minify, validate & sort-key JSON.
URL Parser — Break a URL into parts & query params, edit and rebuild.
HTML Entities — Encode & decode HTML entities (named + numeric).
CSS Units — Convert px / rem / em with a custom root size.

Word Count — Characters, words, lines, reading time.
Text Diff — Line-by-line diff of two texts.
Transform — Case, dedupe & sort in one place.
Cloud Notes — A short link IS a note: open /n/<code>, type, it auto-saves — share the link to share the note. Optional password; idle notes self-destruct.
Markdown Preview — Live-render Markdown and export the HTML.
Slugify — Turn a title into a clean URL slug.

QR Decode — Upload, drag, paste a screenshot or scan with the camera — QR codes decoded locally; URLs, WiFi passwords and 2FA secrets get one-click actions.
Compress — Local lossy / lossless compression.
Format — Convert between PNG / JPG / WebP.
Resize — Resize by ratio or exact pixels.
Color Picker — Pick colors from an image.

Request Echo — See what the server actually received: every header, the real IP, the proxy chain.
HTTP Testbed — Return any status, delay, redirect or payload size to exercise client retry and timeout logic.
Webhook Box — Generate a temporary URL to capture third-party callbacks and inspect headers and body in full.
IP Check — See every exit IP at once — mainland, international, Cloudflare edge and server-side viewpoints probed in parallel with an automatic split-routing verdict, cross-checked across five geo providers, plus WebRTC / timezone / IPv6 leak checks.
Speed Test — Multi-threaded speed test: parallel connections measure download and upload throughput, HTTP round-trip latency and jitter, with each connection's contribution shown — a lagging stream usually means packet loss or a rate-limiting middlebox.
Domain Check — Check domain availability.
DNS & IP — Look up DNS records & IP info.
Subnet Calculator — IPv4 CIDR subnet calc: network, broadcast, mask, hosts.
SEO Audit — On-page SEO audit with per-check fixes; deep scan adds Lighthouse + broken-link detection.

UUID — Generate v1 / v4 UUIDs.
Password — Generate strong random passwords.
QR Code — Generate QR codes locally — content never leaves your browser; optionally save to a cloud note.
Lorem Ipsum — Generate Lorem Ipsum placeholder text.

Currency Converter — Convert across 160+ currencies at live rates with a quick-reference table; rates fetched + cached server-side.
Percentage — Percentages, increase / decrease.
Unit Convert — Length, weight, temperature & more.
Date Diff — Days between two dates.
Base Convert — Bin / oct / dec / hex conversion.

Base58 · TRON Address — Convert & validate TRON (T…), hex (41…) and EVM (0x…) addresses; plus generic Base58.
Wei / Gwei Units — wei/gwei/ether and sun/TRX conversion with any token decimals — no precision loss.
Keccak-256 · Selector — Keccak-256 digests, function selectors and event topics (not the same as SHA3-256).
ABI Calldata Decoder — Decode transaction input data into a function and its arguments; common ERC20/721 auto-detected.

Phone Parser — Parse any phone number: region, line type and four standard formats.
IBAN & Card Check — IBAN mod-97 and card Luhn validation, with country and brand detection.
CSV Cleaner — Dedupe, trim, drop empty rows and columns — quotes handled correctly.