Miscellaneous tools
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Miscellaneous tools

Specialized calculators that span physics, finance, engineering, and algebra word problems.

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At a glance

2400+

Tools available

100%

Free to use

No

Account needed

Instant results

Most tools run in your browser for speed and privacy.

Private by default

Your inputs stay on your device, we don't store them.

All Miscellaneous tools tools

40 tools in this category

Money Counter

Money Counter

Count cash, bills, and coins quickly. Calculate total dollar amount, sub-totals by denomination, coin breakdown, and cash totals instantly.

AI Job Risk Calculator

AI Job Risk Calculator

Estimate AI exposure risk for your occupation based on job tasks, experience level, work mode, and regional adoption factors.

Amdahl's Law Calculator

Amdahl's Law Calculator

Calculate theoretical speedup from Amdahl's law using parallelizable task proportion, speedup factor, and original execution time.

Travel Job Application Calculator

Travel Job Application Calculator

Estimate how many job applications you need to send while traveling based on response rate, interview conversion, and trip duration.

Belt Length Calculator

Belt Length Calculator

Calculate open and crossed belt length from pulley diameters and center distance. This free browser-based calculator speeds up mechanical drive design work.

Helical Coil Calculator

Helical Coil Calculator

Calculate helical coil inductance, wire length, and turn count from your dimensions and wire gauge. Free online browser tool, no signup, and instant results.

Sled Calculator

Sled Calculator

Solve physics sled problems with friction, incline angle, applied force, and acceleration on horizontal or inclined surfaces.

Chain Length Calculator

Chain Length Calculator

Calculate the correct bicycle chain length from chainstay, chainring, and cog sizes.

FOC Calculator

FOC Calculator

Calculate arrow front-of-center (FOC) percentage from arrow length, balance point, and component weights for archery tuning.

Country Info Lookup

Country Info Lookup

Look up facts for countries around the world: capital, population, currency, languages, timezones, dialing code, area, and bordered neighbors. Everything runs in your browser.

Completion Rate Calculator

Completion Rate Calculator

Find completion rate from completed and total tasks with optional target tracking for projects and workflows.

SAML Metadata Parser

SAML Metadata Parser

Parse SAML entity metadata and list SSO endpoints, certificates, bindings, and entity IDs.

SAML POST Form Generator

SAML POST Form Generator

Build a self-submitting HTML form for SAML HTTP-POST binding with RelayState.

SAML Redirect Binding Builder

SAML Redirect Binding Builder

Encode SAML requests for HTTP-Redirect binding with DEFLATE and URL-safe Base64.

SAML Request Decoder

SAML Request Decoder

Decode Base64 SAML requests from redirect or POST bindings into readable XML.

Text Redundancy Finder

Text Redundancy Finder

Detect n-word phrases that repeat in your text to spot redundancy, filler, and copy-paste duplication.

Bracket Quote Balance Checker

Bracket Quote Balance Checker

Verify parentheses, brackets, braces, and quote pairs are balanced with line and column error pointers.

Sort Lines by Length

Sort Lines by Length

Reorder lines by length ascending or descending with alphabetical tie-breaking options.

Text Truncator

Text Truncator

Shorten text or each line by character or word count with a custom ellipsis suffix.

Webhook Retry Schedule Calculator

Webhook Retry Schedule Calculator

Model webhook retry delays with base interval, multiplier, jitter, and max delay caps.

Webhook Signature Verifier

Webhook Signature Verifier

Verify GitHub, Stripe, and Slack-style HMAC webhook signatures using your browser and Web Crypto.

HTTP Message Parser

HTTP Message Parser

Split raw HTTP messages into method, path, status, headers, and body in the browser.

IP CIDR Membership Checker

IP CIDR Membership Checker

Test IPv4 and IPv6 addresses against multiple CIDR blocks with overlap detection.

Design Token Converter

Design Token Converter

Convert W3C DTCG, Figma, and flat JSON design tokens to CSS variables, SCSS, and Tailwind theme snippets in your browser.

GitHub Actions Workflow Generator

GitHub Actions Workflow Generator

Build ready-to-commit GitHub Actions workflows for Node.js CI, Python tests, Vercel deploy, and scheduled cron jobs.

SQL Mock Data Generator

SQL Mock Data Generator

Parse CREATE TABLE statements and generate realistic INSERT rows or CSV/JSON test data entirely in the browser.

JSON Array to CSV Converter

JSON Array to CSV Converter

Turn a JSON array of objects into CSV with configurable delimiters, dot-notation flattening, and download support in your browser.

Base64 to File

Base64 to File

Decode Base64 strings or data URIs and download the binary file with MIME sniffing and a custom filename in your browser.

Braille Translator

Braille Translator

Convert plain text to Unicode Braille and decode Grade 1 Braille back to letters in your browser.

HAR to cURL

HAR to cURL

Parse HAR capture JSON and generate equivalent cURL commands for debugging API calls in your browser.

GraphQL to cURL

GraphQL to cURL

Turn a GraphQL operation, variables, and endpoint into a ready-to-run cURL POST command.

Subtitle Editor

Subtitle Editor

Edit SRT and WebVTT subtitles in your browser. Retime cues, shift timestamps, split or merge lines, preview with video, and export to SRT or VTT.

Citation Generator

Citation Generator

Generate reference list entries and in-text citations in APA 7, MLA 9, and Chicago styles from source details in your browser.

Invoice Template

Invoice Template

Fill a sample or blank invoice template, add US sales tax or India GST fields, and print or download a PDF in your browser.

Works Cited Generator

Works Cited Generator

Build a multi-source works cited list with hanging indents in MLA, APA, or Chicago, then copy or print it in your browser.

vCard Generator

vCard Generator

Create a vCard 3.0 contact card and download a .vcf file in your browser. No account and no upload.

Quotation Format

Quotation Format

Fill a sample or blank quotation format with line items, GST, and the total in words, then print or download a PDF in your browser.

Affidavit Format

Affidavit Format

Fill a sample or blank affidavit format for a name change, address, or income declaration, then print or download a PDF in your browser.

Salary Slip Format

Salary Slip Format

Fill a sample or blank salary slip format with earnings, PF, and net pay in words, then print or download a PDF in your browser.

NOC Format

NOC Format

Fill a sample or blank NOC format for employment, a landlord, or a parent, then print or download a PDF in your browser.

Frequently asked questions

Straight answers about how Online Mini Tools works.

Are the tools on this website free to use?
Yes, all tools hosted on our website are completely free to use. We believe in providing convenient and useful utilities without any hidden costs or paywalls.
Do I need to create an account to use the tools?
No, you do not need to create an account. Our tools are accessible to everyone visiting our website instantly, without registration or login.
Can I suggest new tools or features?
Absolutely! We welcome suggestions for new tools or features that would benefit you. Please reach out to us at [email protected].
Are the results generated by these tools accurate?
We strive to ensure absolute accuracy in our tools. However, results are determined by the input data provided. We always recommend verifying critical calculations for professional or legal applications.
Are my inputs and results private and secure?
Yes, privacy and security are fundamental. Processing happens entirely client-side on your browser for most tools, and we do not store, view, or log any of your inputs, data, or results.
Are these tools compatible with mobile devices?
Yes, our layout is mobile-first. Every tool adapts beautifully to smartphones, tablets, laptops, and wide screen monitors.

Didn't find the tool you need?

We're always expanding the collection. Tell us what would make your workflow easier and we'll consider it for the roadmap.

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