ToolsVault is a free, no-signup online productivity toolbox offering over a dozen browser-based tools for data formatting, image processing, text comparison, conversions, and financial calculations.
ToolsVault is a collection of fast, private online productivity tools that run entirely in your browser with no download or registration required. It provides specific utilities such as a JSON Formatter, Timestamp Converter, Text Diff Checker, Circular Image Cropper, Image Compressor, Compound Interest Calculator, and Mortgage Calculator, among others. The platform is developed by an independent team and supports both English and Chinese languages.
Key Features
- JSON Formatter — Format, validate, beautify, and compress JSON data directly in the browser. Supports both beautification and minification modes.
- Circular Image Cropper — Crop images into circles with customizable size and border, outputting the result as a downloadable PNG.
- Image Compressor — Compress images online while maintaining high quality; supports JPEG, PNG, WebP formats and batch processing.
- Timestamp Converter — Convert between Unix timestamps (seconds/milliseconds) and human-readable date/time with instant bidirectional conversion.
- Text Diff Checker — Compare two texts side-by-side and highlight added, removed, or changed lines for quick review.
- Financial Calculators — Compound Interest Calculator projects savings growth with monthly deposits and compound frequency, while Mortgage Calculator compares equal payment vs equal principal with charts.
- Base64 Converters — Convert images to Base64 Data URIs (Image to Base64) and decode Base64 strings back into previewable images (Base64 to Image).
- Unit Converter — Quickly convert between length, weight, temperature, and other common units with adjustable precision.
Who is it for?
- Developers — Use JSON Formatter, Timestamp Converter, and Base64 tools to debug and transform data quickly.
- Content creators — Compress images, crop into circles, or convert between formats without opening heavy software.
- Office workers — Compare document drafts with Text Diff, calculate savings growth or mortgage payments, and convert units on the fly.
- Students — Use the scientific calculator and unit converter for homework or quick math.
- Clean and validate data: Paste messy JSON into the JSON Formatter to see structured, color-coded output, and validate syntax instantly.
- Prepare images for web use: Compress an image from 5 MB to under 200 KB while preserving acceptable quality, or crop a profile photo into a circle with a custom border.
- Convert timestamps for logs: Paste a Unix timestamp like
1617181723 and get the corresponding UTC and local date-time readout.
- Compare text versions: Paste two versions of a configuration file into Text Diff Checker to spot every change highlighted in red and green.
- Plan personal finances: Use the Compound Interest Calculator with monthly deposits of $500 at 6% annual interest compounded monthly to visualize growth over 30 years.
FAQ
Yes, all tools on ToolsVault are free to use and require no signup or payment. There are no hidden fees or usage limits.
Do I need to install anything?
No. Every tool runs entirely in your browser. There is nothing to download, install, or configure.
JSON Formatter, Timestamp Converter, Text Diff Checker, Circular Image Cropper, Image Compressor, and the Base64 converters are the most used tools on the site.
Yes. The site is responsive and works on modern mobile browsers including Chrome, Safari, and Firefox on iOS and Android.
Is my data private?
Because all processing happens client-side in your browser, your data never leaves your device. ToolsVault does not upload, store, or share any content you paste or upload.
