Free Online Tools
for Everyone

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JSON Formatter

Format, validate and auto-fix JSON. Repairs trailing commas, bad quotes and unquoted keys. Sort keys, minify, upload files and load from URL.

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Regex Tester

Test regex with live highlighting. Match, Substitution and List modes. Capture groups, plain-English explainer, cheat sheet and "Why didn't it match?" hints.

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Base64 Encoder

Encode and decode Base64. Base64URL, no padding, 76-char MIME chunks, per-line encoding, image to data URI, file upload and auto-strip data URI prefixes.

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HEX to RGB Converter

Convert HEX to RGB, RGBA, HSL, HSV, CMYK, OKLCH and CSS instantly. Colour picker, RGB sliders, contrast checker and named colour reference table.

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Unix Timestamp Converter

Convert Unix timestamps to dates and back. Batch mode for multiple timestamps. Auto-detects seconds, ms and microseconds. ISO 8601, RFC 2822, week number, code snippets.

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Colour Palette Generator

Generate colour palettes from a base colour or extract from any image. 7 harmony types, 8 mood themes, 3–8 colours, lock and regenerate, copy CSS vars, download PNG.

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CSS Gradient Generator

Build CSS gradients visually. Linear, radial, conic and repeating types. Per-stop opacity, colour format output, vendor prefixes, CSS selector and 20 categorised presets.

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UUID Generator

Generate UUID v1, v4, v5, v7 and Nil. GUID braces format, bulk download, and a decoder that reads version and timestamp.

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Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes. Bcrypt generator and verifier with adjustable cost rounds.

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SQL Formatter

Format and minify SQL with a token-based parser. Handles subqueries, CASE blocks, 10 dialects, comma position and keyword case.

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JWT Decoder

Decode and inspect JWT tokens. View header, payload, expiry and signature details instantly.

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CSV to JSON Converter

Convert CSV to JSON with four output formats — array, keyed, JSON Lines and array of arrays. Upload files, auto-detect delimiter, parse types, transpose and download.

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URL Encoder / Decoder

URL encode and decode with component or full-URL mode. Space as %20 or +. Encode per line. Built-in URL parser decodes every query parameter.

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Text Diff Checker

Compare two texts with line, word or character-level diff. Side-by-side or inline view. Ignore whitespace and case. Similarity percentage shown.

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Percentage Calculator

Six percentage calculators: X% of Y, find the whole, percentage change, add/subtract percentage, and marks-to-percentage with automatic WAEC grade.

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Age Calculator

Calculate exact age in years, months, days, hours and minutes. Zodiac sign, leap years count, next birthday countdown and reverse age-to-birth-year calculator.

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Date Difference Calculator

Calculate days between two dates with weekdays, weekends and business days. Skip Nigerian public holidays. Add or subtract days to find a future or past date.

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JAMB Aggregate Calculator

Calculate JAMB aggregate for UNILAG, UI, OAU, UNN, ABU and UNIBEN. Post-UTME included. Compare with cutoff marks and see admission likelihood.

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WAEC Grade Calculator

Calculate WAEC aggregate, credits and GPA from your scores or grades. Course eligibility checker for 18 courses. NECO and GCE supported. WES GPA conversion table.

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PAYE Tax Calculator

PAYE tax calculator updated for Nigeria Tax Act 2025 (2026). Compare old vs new law. Pension, NHF, NHIS and rent relief included. Monthly or annual input.

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Salary Calculator Nigeria

Calculate take-home pay using 2026 NTA rates. Gross-to-net and net-to-gross. Full payslip breakdown with employer cost including NSITF and ITF.

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Naira Inflation Calculator

Calculate how Nigerian inflation eroded your naira's value. Historical NBS/CBN rates 2000–2025. Future value and purchasing power modes with year-by-year table.

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Loan Calculator

Calculate loan repayments and total interest with full amortization schedule. Monthly, quarterly or annual frequency. Affordability check and max loan from budget.

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Word Counter

Count words, characters and pages. Reading and speaking time with speed selector. Flesch readability score, keyword density and platform character limit indicators.

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Case Converter

Convert text to 14 cases: UPPERCASE, lowercase, Title Case, camelCase, PascalCase, snake_case, kebab-case, dot.case, path/case and more. Click to copy.

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Lorem Ipsum Generator

Generate placeholder text in 5 types: Classic Lorem Ipsum, Cicero, Pangrams, Corporate and Hipster. By paragraphs, sentences, words or characters. HTML output with headings.

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Password Generator

Generate random passwords, memorable passphrases or PINs. Shows entropy bits and crack time estimate. Uses crypto.getRandomValues — passwords never leave your browser.

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QR Code Generator

Generate QR codes for URLs, vCard contacts, WiFi, WhatsApp, Email, SMS, phone calls and Nigerian bank transfers. Custom colours, error correction, PNG & SVG download.

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Countdown Timer

Countdown timer with alarm sound, stopwatch with lap variance tracking, and Pomodoro timer with automatic work/break cycles. Three tools in one. No install.

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IP Address Lookup

Look up any IP address for location, ISP, ASN, timezone and connection type. Country flag, OpenStreetMap preview, IPv6 detection and VPN/proxy/datacenter badge.

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Data Plan Comparator

Compare 60+ data plans from MTN, Airtel, Glo and 9mobile — 2026 prices after NCC tariff hike. Filter by network, duration and budget. Sort by best ₦/GB value.

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Bank USSD Codes

50+ Nigerian bank USSD codes — commercial banks, fintechs, digital banks and Islamic banks. Transfer, balance, airtime codes. Click to copy. Updated 2026.

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Public Holiday Calendar

Official Nigerian public holidays 2025–2027. Confirmed 2026 dates for Eid el-Fitr, Eid el-Kabir, Eid el-Maulud, Easter, Christmas and Democracy Day (June 12). Days countdown.