Prepare a file or document
Reduce an image for the web, check a text limit, or turn a URL into a QR code for print and sharing.
Eight tools that run in your browser
Finish the small task.
Keep your flow.
Resize an image, count text, calculate a date or percentage, generate a QR code, format JSON, inspect a CIDR range, or convert a time zone without installing an app.
- No account
- Inputs stay in your browser
- Mobile and desktop ready
01 · NETWORK3 tools
IP ADDRESSING
CIDR calculator
Calculate an IPv4 range, split a subnet, and check whether two CIDR blocks overlap.
02 · TIMEUTC + 9
TIME ZONE
Time-zone converter
Convert between abbreviations such as GMT, UTC, KST, EST, and PST with fixed UTC offsets.
03 · IMAGELOCAL FILE
RESIZE + COMPRESS
Image compressor
Resize and adjust image quality, then save as JPEG, PNG, or WebP without uploading the file.
04 · TEXTLIVE COUNT
CHARACTER + BYTE
Character and byte counter
See characters with and without spaces, UTF-8 bytes, words, and lines as you type.
05 · DATED-DAY
DIFFERENCE + OFFSET
Date calculator
Find the number of days between two dates or add and subtract days from a base date.
06 · PERCENT4 MODES
RATE + DISCOUNT
Percentage calculator
Calculate a percentage, percentage change, discounted price, or total including 10% VAT.
07 · QRPNG
TEXT + URL
QR code generator
Turn text or a URL into a QR code and download a PNG without sending the input to a server.
08 · JSONVALIDATE
FORMAT + MINIFY
JSON formatter
Validate standard JSON, format it with indentation, or minify it into one line.
Choose by task
Start with what
you need to finish.
Each tool focuses on one small job and explains the assumptions behind the result. There is no installation, account, or upload step.
Calculate a date or number
Count days to a deadline, add days to a date, calculate a discount or change rate, and line up times across UTC offsets.
Inspect development data
Read and validate JSON, calculate an IPv4 range, split a subnet, or check whether two network blocks overlap.
About Pocket Tools
Small tasks should not
require an account or upload.
Pocket Tools is a collection of focused browser utilities for calculations and conversions you need often but do not need a full editor to complete.
Text, JSON, images, and calculation inputs are processed in your browser. The public tools do not store your work or require personal information to show a result.
Results are provided for quick reference. Check the applicable official rule or source before using a result for a filing, tax decision, security policy, or production network change.
- 8
- public tools
- 0
- accounts required
- LOCAL
- input processing
Designed for everyday use
Simple tools still need
clear assumptions and limits.
- 01Inputs stay localText, JSON, and selected images are processed in the current browser.
- 02Methods are visibleFormulas, date inclusion, UTC offsets, and network exceptions are shown with the result.
- 03Every tool has its own URLOpen the tool you need directly and move between tools without returning to the dashboard.
- 04Reference results are labeledImportant filings and configuration changes should be checked against an authoritative source.
Frequently asked questions
What to know
before you start
Are all tools free?
Yes. The current public tools do not require an account, payment, or separate installation.
Are my text and files uploaded?
No. Tool inputs are processed in your browser. The hosting provider may still process ordinary connection logs as described in the privacy policy.
Can I use the tools on a phone?
Yes. The layouts support mobile screens, although very large images may take longer on devices with limited memory.
Can I use a result as an official record?
Use the result as a quick reference. For important submissions, tax work, or production changes, also check the official rule and source values.
Eight practical tools in one place