The All-in-OneOnline Toolbox
Text, image, dev, convert, calc — all your daily tools in one place.
🔥 Recommended Tools
JSON Formatter & Validator
Format, validate and beautify JSON data instantly in your browser. Free online JSON viewer with syntax highlighting.
FeaturedBase64 Encoder & Decoder
Encode text to Base64 and decode Base64 to text instantly in your browser. Free online Base64 converter with Unicode support.
FeaturedImage Compressor
Compress JPG, PNG and WebP images online while keeping quality. Free, no upload to server required.
FeaturedMD5 Hash Generator
Generate MD5 hash for text and files instantly in your browser. Free online MD5 checksum generator with file support.
🗂 All Tools
45 tools totalDirectory Tree Generator – Paste Paths, Get ASCII Tree
Paste a list of file or folder paths and instantly generate a clean ASCII directory tree (├── └── │) for README, docs and code review. Supports Windows and Unix separators, sorting options, copy and download. Runs entirely in your browser.
BMI Calculator – Body Mass Index & Body Fat Estimate
Free BMI calculator with metric and imperial units. Check your Body Mass Index against WHO and Asian standards, see your healthy weight range, estimated body fat percentage and BMR. Instant results, no sign-up, all in your browser.
Remove Duplicate Lines – Online Text Deduplicator
Remove duplicate lines from any text list online. Options to ignore case, trim whitespace, drop empty lines and sort the result. Shows how many lines were removed. Copy or download the clean list — everything runs in your browser.
Character Counter – Word, Line & Reading Time Stats
Free online character counter with live statistics: characters with and without spaces, words, Chinese characters, digits, punctuation, lines, paragraphs, sentences, reading and speaking time, plus top-frequency words. Ideal for essays, posts and SEO copy. Nothing is uploaded.
IP Lookup – Find IP Address Location & ISP Info
Free IP address lookup: check any IPv4 or IPv6 address, or instantly see your own public IP. Shows country, region, city, ISP, organization, ASN, timezone and coordinates. Results are cached server-side for speed — no sign-up required.