Free tools for everyday data cleanup.
Convert date formats, format JSON, transform CSV, Excel, and images, encode URLs, and estimate hardware needs without creating an account.
Popular Tools
Fast fixes for messy data.
Paste what you have, convert what you need, copy the result, and move on.
Date Format Converter
Convert dates, timestamps, and common formats in bulk.
WebP Image Converter
Bulk convert JPG, PNG, GIF, AVIF, SVG, ICO, BMP, and WebP files locally.
JSON Data Extractor
Pull nested values and inspect structured JSON without writing a script.
JSON Formatter
Beautify, minify, validate, and copy JSON from a focused editor.
JSON to CSV
Flatten JSON records into clean CSV for spreadsheets and exports.
CSV to JSON
Turn delimited rows into structured JSON arrays with browser-side parsing.
Excel to JSON
Drop in a spreadsheet and convert sheet data into JSON locally.
URL Encoder Decoder
Encode, decode, and clean URL strings for requests and redirects.
VRAM Calculator
Estimate GPU memory requirements for models and quantization choices.
RAID Calculator
Compare usable capacity, redundancy, and disk requirements.
Browser-first
All active tools run client side, keeping the site fast, simple, and private.
No account wall
Open a tool, use it, and leave. No login, dashboards, subscriptions, or saved workspace.
Built for quick fixes
These are focused utilities for developers, analysts, operators, and anyone cleaning up data by hand.
Useful tools, kept lightweight.
If a tool saved you a few minutes, the coffee button helps cover hosting and maintenance without adding ads or accounts.