Online Tools Collection
Browse all free online tools on WoDeTool — development, text, image, network, office, and AI categories in one place.
Featured Tools
(5)Temp File Upload
Upload a file and get a temporary download link (~7 days via cloud service)
Mock Test Data
Generate fictional name, phone, ID card, and bank card numbers for dev testing
JSON Formatter
Format & minify JSON with highlight, collapsible tree, and simple auto-repair
Base64 Encode/Decode
Encode and decode Base64 strings
JWT Decoder
Decode JWT Token content
AI Tools
(8)AI Image Watermark Remover
Remove ChatGPT / Gemini-style AI image watermarks — local brush repair
Local AI Background Remover
ID photo & product cutouts in your browser — transparent PNG, no upload
Upscale Screenshots Locally
4× local AI upscale for soft screenshots — WebGPU, no upload
AI Image Generator
Generate high-quality images from text descriptions
AI Video Generator
Generate short videos from text or images
AI Image Recognition
Upload images and extract text with AI
Translator
AI-powered Chinese-English translation with multiple styles
Prompt Optimizer
Improve Chat or text-to-image prompts — local templates or AI rewrite
Image Tools
(7)Image Multi-Size Export
One image, pick sizes — export PNG/JPG/WebP/ICO/SVG
Image Compressor
Compress images in browser
Image Converter
Convert PNG/JPG/WebP
Image Cropper
Crop images freely
Image to Base64
Convert image to Base64 encoding
QR Code Generator
Generate QR code from text/URL
WiFi QR Code Generator
Create guest or meeting-room WiFi QR codes — scan to join, download to print
Developer Tools
(20)JSON Formatter
Format & minify JSON with highlight, collapsible tree, and simple auto-repair
Base64 Encode/Decode
Encode and decode Base64 strings
URL Encode/Decode
URL Encode/Decode
JWT Decoder
Decode JWT Token content
Regex Tester
Test regular expression matching
SQL Formatter
Beautify and format SQL statements
HTML Entity Converter
Encode/decode HTML entities
XML Formatter
Format and compress XML
Timestamp Converter
Convert Unix timestamp to date and vice versa
UUID Generator
Generate UUID v4
Hash Generator
MD5/SHA1/SHA256 hash calculation
Text Diff
Compare text differences
Cron Expression
Generate and parse cron expressions with human-readable descriptions
URL Parser
Parse URL protocol, host, path, query parameters and more
JSON Diff
Side-by-side auto diff with inline line highlights
docker run to Compose
Paste a docker run command and generate docker-compose.yml in your browser
Basic Auth Generator
Generate HTTP Basic Authentication headers
HTTP Request
Simple API client: custom method, headers, body — view status and response
HMAC Generator
Compute HMAC signatures with SHA algorithms
ULID Generator
Generate sortable ULID unique identifiers
Text Tools
(6)Converter Tools
(8)JSON ↔ YAML
Convert between JSON and YAML
JSON ↔ CSV
Convert between JSON and CSV
Number Base Converter
Convert between binary/octal/decimal/hex
Unit Converter
Length/weight/temperature/speed conversions
Color Converter
HEX/RGB/HSL color conversion + picker
Excel ↔ JSON
Convert between Excel spreadsheets and JSON data
Word ↔ Markdown
Convert between Word documents and Markdown
Markdown → PDF
Convert Markdown documents to PDF files
Network Tools
(6)IP Lookup
Check your public IP and location
HTTP Status Codes
HTTP status code reference
MIME Types
MIME type reference
User-Agent Parser
Parse browser User-Agent strings
IPv4 Subnet Calculator
Calculate network, broadcast, and host ranges from CIDR
Temp File Upload
Upload a file and get a temporary download link (~7 days via cloud service)