Useful tools. All in one place.
A growing collection of practical online tools for everyday tasks, work, study, files, text, numbers, development, and more. Free from unnecessary complexity, advertising clutter, and forced accounts.
Featured Online Utilities
High-performance tools running directly in your browser. Paste, calculate, format, and inspect without waiting.
Docker Run to Compose Converter
Convert docker run CLI commands into clean docker-compose.yml files and decompose Compose YAML back into docker run one-liners. 100% in-browser, bidirectional, and private.
Google Search Console Regex Builder (Queries & URLs)
Generate valid, non-breaking RE2 regular expressions for Google Search Console filters. Build patterns for question queries, brand exclusions, long-tail terms, and intent.
AI Web Scraper Blocker & robots.txt Generator
Generate custom robots.txt rules to block or manage AI scrapers, web crawlers, and LLM bots including GPTBot, ClaudeBot, PerplexityBot, and CCBot.
HAR to cURL Converter
Inspect HTTP Archive (HAR) files locally, sanitize authentication tokens and cookies, analyze network requests, and convert requests to cURL commands.
JSONL & NDJSON to CSV Converter
Convert newline-delimited JSON (JSONL / NDJSON) datasets and log files to structured CSV or standard JSON arrays locally in browser memory.
Rebar Grid, Slab Mesh & Concrete Footing Reinforcement Calculator
Calculate concrete slab volume in cubic yards and cubic meters with customizable waste allowance, pre-mixed bag counts, rebar reinforcement, sub-base gravel, and itemized project costs.
Paycheck Bill Allocator & Bi-Weekly Budget Planner
Align recurring monthly bills with your bi-weekly or semi-monthly paychecks. Allocate expenses to paydays, calculate safe cash buffers, and prevent overdrafts.
Conduit Fill Calculator: NEC Raceway & Wire Sizing
Calculate NEC conduit fill and allowable raceway capacity. Computes Chapter 9 Table 1 fill rules (53% for 1 wire, 31% for 2 wires, 40% for 3+ wires, and 60% for short nipples), Table 4 conduit areas (EMT, RMC, IMC, PVC Sch 40/80, FMC, LFMC, LFNC-B, ENT), Table 5 wire dimensions (THHN, XHHW, RHW, Compact Al, Bare Cu), Note 7 single wire rounding, and IEEE 1185 jam ratio hazard warnings with interactive SVG cross-section modeling.
Recently Added Tools
Discover the latest utilities added to the platform: Anycast network traces, HTTP header echo, recursive DNS inspection, currency rate matrices, and semantic language engines.
XRechnung & ZUGFeRD XML Invoice Viewer
Inspect, validate, and visualize German electronic invoices in XRechnung and ZUGFeRD Factur-X XML formats with syntax checking, IBAN verification, and PDF extraction.
PDF Merger & Page Combiner Online (100% In-Browser)
Merge multiple PDF documents into a single organized file directly in your browser with zero server uploads, page reordering, and instant download.
Gerador e Validador de CPF e CNPJ (com Pontuação e Estados)
Generate and validate Brazilian CPF and CNPJ document numbers with optional formatting punctuation, state origins, and bulk export for software testing.
HEIC to JPG Converter Online (High Quality, 100% In-Browser)
Convert Apple iPhone HEIC and HEIF photos to standard JPG, PNG, or WebP images in your browser with zero quality loss and no server uploads.
Visor de Facturas CFDI 4.0 y 3.3 XML (SAT México)
Inspect, validate, and print Mexican SAT CFDI 4.0 and 3.3 XML electronic invoices with breakdown of taxes, line items, and digital stamps.
LLM GPU VRAM & Hardware Sizing Calculator (Llama 3, DeepSeek, MoE)
Calculate exact GPU VRAM requirements, KV cache scaling, and tokens-per-second hardware fit for open-weight LLMs across FP16, FP8, INT4, and GGUF quantizations.
Gerador de QR Code Pix e Copia e Cola (Estático e Dinâmico)
Generate official Banco Central do Brasil PIX QR Codes and Copia e Cola EMV payload strings with custom keys, amounts, merchant descriptions, and zero fees.
Browse by Discipline
Tools are grouped into focused problem spaces. Each category follows the same principles: clear interfaces, privacy-conscious processing, and no unnecessary paywalls.
Writing, formatting, counting, and transforming text.
Clean text utilities designed for writers, editors, students, and engineers. Every utility operates directly in your browser without transmitting your content to external servers.
Quick calculations for everyday work and study.
Fast mathematical utilities for daily calculations, unit pricing, date intervals, and financial math. Clear formulas with step-by-step transparency.
Convert units, formats, and values.
Reliable conversion tools across digital data units, numbering systems, color codes, and time representations. Accurate, documented conversions with no guesswork.
Useful utilities for common image tasks.
Practical graphic utilities that run entirely in-browser using browser Canvas and WebAssembly. Your photos and graphics never leave your device.
Practical document utilities.
Lightweight PDF utilities built around strict document privacy. No document uploads, no retention periods, and no cloud processing required for core tasks.
Utilities for developers and technical workflows.
Everyday developer essentials for formatting code payloads, inspecting web tokens, decoding URIs, and testing regular expressions quickly.
Tools for common search optimization tasks.
Streamlined search optimization utilities for webmasters, developers, and writers. Validate meta tags, test robots rules, and craft search-friendly URLs.
Small utilities that save time.
Lightweight helpers that remove small frictions from your workday. No signups, no notifications, and no distractions.
Inspect, query, and verify public datasets.
Public data explorers and reference lookup utilities powered by verified open APIs. Explore academic institutions, ISO country data, and public datasets with clear attribution.
Practical financial calculators and currency tools.
Calculators and conversion utilities for daily financial questions, currency exchange rates, loan payments, and pricing estimations.
Why All My Tools
Most online tool websites have become heavy, cluttered with advertisements, and laden with unnecessary subscriptions. We are building an alternative grounded in four core standards.
Useful first
Every tool should solve a clear, practical problem. We choose utilities based on everyday necessity rather than novelty or marketing gimmicks.
Simple by default
No complicated interfaces for simple tasks. Fast inputs, clear results, and zero learning curve across desktop and mobile devices.
Fast
Tools should get out of your way. Computations run locally in your browser where possible, reducing unnecessary network requests.
Respectful
Zero required accounts, intrusive popups, or paywalls. In-browser processing for local tools, with clear notices whenever external data lookup is used.