ProgramTalk connects code questions to instant browser tools
ProgramTalk
for the moment you need to format JSON
ProgramTalk is the quiet workbench between thought and output: ask the browser to format, test, convert, calculate, generate, or play without uploads, accounts, or waiting.
Developer Tools51 tools
JSON Formatter
Beautify, validate and minify JSON with instant error messages.
Regex Tester
Live regex testing with match highlighting and capture groups.
Diff Checker
Compare two texts line by line with highlighted changes.
Cron Expression Generator
Build cron schedules and see them explained with next run times.
UUID Generator
Generate cryptographically secure UUID v4 identifiers in bulk.
Base64 Encoder / Decoder
Encode or decode Base64 with Unicode and URL-safe support.
All 51 developer tools →
Formatters, converters, encoders and searchable references — the utilities that live next to your editor.
Business & Finance Tools13 tools
Compound Interest Calculator
Project investment growth with deposits, interest rate, and compounding.
Profit Margin Calculator
Find margin, markup, profit, revenue, and target pricing.
ROI Calculator
Calculate return on investment, profit, multiple, and annualized ROI.
CAGR Calculator
Find compound annual growth rate for investments or business metrics.
Mortgage Calculator
Monthly payment, taxes, insurance and a full amortization schedule.
Savings Goal Calculator
How much to save monthly to hit your goal on time.
All 13 business & finance tools →
Loans, savings, margins and salaries — calculators for money decisions big and small.
Photography Tools20 tools
Shutter Count Checker
Read camera EXIF data and possible shutter count tags locally.
Depth of Field Calculator
Near/far focus limits, total DOF, and hyperfocal distance.
Exposure Calculator
Match exposure after changing aperture, shutter speed, ISO, or ND filters.
Golden Hour Calculator
Sunrise, sunset, golden hour & blue hour for any place and date.
EXIF Viewer
Camera, lens, exposure & GPS metadata — parsed locally.
EXIF Remover
Strip GPS & metadata from photos losslessly — no upload.
All 20 photography tools →
Exposure, depth of field, golden hour and EXIF — field calculators for photographers.
Unit Converters15 tools
Unit Converter
Length, weight, temperature, volume, area and speed.
Temperature Converter
Celsius ⇄ Fahrenheit ⇄ Kelvin, with formulas.
Length Converter
cm ⇄ inches, miles ⇄ km, feet ⇄ meters and more.
Weight Converter
kg ⇄ lbs, grams ⇄ ounces, stone and tons.
Volume Converter
Liters ⇄ gallons, mL ⇄ fl oz, cups, pints, quarts.
Area Converter
sq ft ⇄ m², acres ⇄ hectares, km² ⇄ sq miles.
All 15 unit converters tools →
Length, weight, temperature, pressure, torque — precise conversions with every unit shown.
Date & Time Tools10 tools
Time Zone Converter
Convert times between world time zones, DST-aware.
Date Difference Calculator
Days between dates, with weeks, months and working days.
Age Calculator
Exact age in years, months, days — plus next-birthday countdown.
Event Countdown
Days, hours and minutes until any date.
Date Calculator
Add or subtract days, weeks, months or years from a date.
Business Days Calculator
Count working days between dates or add business days.
All 10 date & time tools →
Time zones, countdowns, business days and week numbers — calendar math made instant.
Health & Fitness Tools13 tools
BMI Calculator
Body mass index in metric or imperial, with healthy range.
Calorie Calculator
BMR and daily calories to maintain, lose or gain weight.
Ideal Weight Calculator
Ideal body weight by four standard formulas.
Water Intake Calculator
Daily water target from your weight, exercise and climate.
Running Pace Calculator
Solve pace, finish time or distance for any run.
Heart Rate Zone Calculator
Your 5 training zones, with optional Karvonen method.
All 13 health & fitness tools →
BMI, calories, protein, heart-rate zones — evidence-based fitness calculators.
Games25 tools
Snake
Eat, grow, and don't bite your own tail.
2048
Slide and merge tiles to reach 2048.
Minesweeper
Clear the board without hitting a mine.
Word Guess
Find the five-letter word in six tries — unlimited rounds.
Memory Match
Flip cards and find every pair in the fewest moves.
Tic-Tac-Toe
Classic X and O strategy game for two players.
All 25 games tools →
Free mini-games: puzzles, classics and reflex tests — no ads mid-game, no accounts.
Text & Everyday Tools37 tools
Word Counter
Count words, characters, sentences and reading time as you type.
Case Converter
Switch text between upper, lower, title, camel, snake and kebab case.
QR Code Generator
Create and download QR codes for links, text and Wi-Fi — no signup.
Password Generator
Strong random passwords, generated securely on your device.
Lorem Ipsum Generator
Placeholder text by paragraphs, sentences, or words.
Color Converter
Convert between HEX, RGB and HSL with a live preview.
All 37 text & everyday tools →
Word counts, case conversion, random pickers and everyday calculators — quick jobs, done.
Why ProgramTalk?
Private by design. Most online tools send your data to a server. Ours don't — formatting, converting, and generating all happen locally in your browser, so pasting confidential code, contracts, or credentials is safe.
Fast and lightweight. No frameworks, no trackers slowing pages down, no cookie walls. Each tool loads in a fraction of a second and works offline once loaded.
Always free. No accounts, no premium tiers, no watermarks. The site is supported by unobtrusive ads.