Every tool in one place
56 focused utilities across 5 categories. Most calculations and file tools run in your browser; live reference tools fetch data only when you ask.
56 tools
PSU / PC Power Calculator
Estimate total system wattage and a recommended PSU size.
RAM Latency Calculator
Convert memory speed and CAS latency into true nanoseconds.
Display Bandwidth Calculator
Check if a resolution, refresh rate and color depth fit your cable.
RAID Capacity Calculator
Usable capacity and fault tolerance across RAID levels.
Storage & File Size Calculator
Convert between bytes, KB/MB/GB and KiB/MiB/GiB.
Local LLM VRAM Calculator
Estimate VRAM needed to run a model at a given quantization.
Subnet / CIDR Calculator
Network, broadcast, host range and mask from any CIDR.
Download / Upload Time Calculator
How long a transfer takes at a given connection speed.
JSON / Data Toolkit
Validate, format, minify and inspect JSON instantly.
Regex Tester
Test regular expressions with live matches and groups.
Base64 / URL / HTML Encoder-Decoder
Encode and decode Base64, URL and HTML entities.
Hash / Checksum Tool
Compute SHA-256/384/512 for text or files, plus CRC32 for text.
Unix Timestamp / Date Converter
Convert between Unix time and human-readable dates.
Cron Expression Builder
Build and read 5-field cron schedules in plain English.
Image Metadata / EXIF Viewer
Inspect image EXIF and metadata without uploading.
Image Compressor / Resizer
Resize and compress images locally with a canvas.
Text Difference Checker
Compare two texts and highlight what changed.
Duplicate / Text Cleanup Tool
Dedupe, sort, trim and clean up lists of text.
Password / Entropy Calculator
Measure password strength in bits of entropy.
AI Token & API Cost Calculator
Estimate API costs from token counts and your own pricing.
Word & Character Counter
Count words, characters, lines and reading time as you type.
Case Converter
Switch text between upper, lower, title and sentence case.
Duplicate Line Remover
Keep the first occurrence of each line in a list.
Sort Lines
Sort a pasted list A–Z, Z–A or in natural number order.
URL Slug Generator
Turn a title into a clean URL path segment.
Lorem Ipsum Generator
Generate one to twenty paragraphs of placeholder copy.
Base64 Encoder & Decoder
Encode or decode UTF-8 text as Base64 locally.
URL Encoder & Decoder
Escape URL components and decode percent-encoded text.
UUID v4 Generator
Generate random UUIDs with the browser crypto API.
JWT Decoder
Inspect token header and payload without verifying a signature.
Percentage, Margin & Markup Calculator
Calculate percentages, changes, gross margin and markup.
Date & Business Day Calculator
Count calendar days, weekdays and weeks between two dates.
Aspect Ratio Calculator
Reduce dimensions to a ratio and scale proportionally.
URL Parser
Break a URL into host, path, query and fragment.
UTM Campaign URL Builder
Add campaign tags to a URL without breaking its query string.
Search & Social Snippet Preview
Preview titles and descriptions for search and social cards.
Schema Markup Builder
Create valid JSON-LD for a visible article or software application.
Readability & Text Analyzer
Inspect sentences, average word length and approximate reading ease.
ROI & Break-even Calculator
Compare costs, revenue and payback from your own assumptions.
Unit Converter
Convert length, mass, temperature, volume and speed.
Time Zone Meeting Planner
Compare one meeting time across several time zones.
Random Picker & Wheel
Spin a fair picker for a list of names or options.
Loan Payment Calculator
Explore monthly payments and total interest from your assumptions.
Project Quote Estimator
Build an illustrative project estimate from hours and costs.
Headline Analyzer
Check title length, words and clarity cues before publishing.
FAQ & Outline Builder
Turn a topic into an editable article outline and useful questions.
Comparison Table Builder
Sort and compare options from a small pasted CSV table.
Bar Chart Builder
Turn a short label/value list into a downloadable chart.
Currency Converter
Convert amounts using the latest available reference exchange rate.
US Weather Forecast
See a public National Weather Service forecast for a US location.
Internal Link Finder
Find relevant Bytelyx tools to link from a draft.
Social Quote Card Maker
Create a downloadable typographic card from a short quote.
US Federal Holiday Calendar
List observed US federal holidays for a selected year.
Daily Tech Quiz
Answer a short technology quiz and save a local streak.
Internal Link Auditor
Check Bytelyx tool links in pasted HTML or text against the live catalog.
Location List Finder
Find the nearest place in a pasted coordinate list.
Browse by category
Calculators & Hardware
Solve everyday calculations and plan PC hardware, storage and bandwidth.
Networking & Planning
Plan subnets, transfer times, time zones and US weather.
Developer, Web & SEO
Format data, test code and build useful web and search assets.
Files, Images & Text
Inspect, transform and clean up files and text — all in your browser.
Security & AI Utilities
Measure password strength and estimate API costs with full transparency.