All Free Online Tools
Browse every tool on TheComputech. Search by name or filter by category — all free, all private, all in your browser.
Add Watermark to Photo
Free tool to add a text watermark to your photos. Choose position, size, colour, opacity and tiling, then download — privately, in your browser.
Base64 Encode / Decode
Free Base64 encoder and decoder. Convert text or files to Base64 and back instantly in your browser — Unicode-safe, with URL-safe and data-URI options.
Case Converter
Free online case converter. Instantly change text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case and more — all shown at once, copy any with one click.
Color Palette from Image
Free color palette generator. Extract the dominant colours from any image as HEX and RGB codes and copy them — privately, in your browser.
Compound Interest Calculator
Free compound interest calculator. See how your money grows with interest on interest — total amount, interest earned and a year-by-year breakdown for any frequency.
CSV to JSON Converter
Free online CSV to JSON converter. Turn spreadsheet or database CSV exports into a clean JSON array of objects instantly in your browser, with full quoted-field support.
EMI Calculator
Free EMI calculator for home, car and personal loans. Get your monthly EMI, total interest and a year-by-year amortization schedule instantly — with rupee formatting.
FAQ Schema Generator
Free FAQ schema generator. Build valid FAQPage JSON-LD structured data for rich results in seconds — add your questions and answers and copy the ready-to-paste snippet.
FD Calculator
Free FD calculator. Work out your fixed deposit maturity amount and interest earned for any rate, tenure and compounding frequency — instantly and accurately.
GST Calculator
Free GST calculator to add or remove GST. Get the base amount, GST and total with CGST, SGST and IGST split for any rate (5%, 12%, 18%, 28% or custom).
Image Compressor
Free online image compressor. Reduce JPG, PNG and WebP file size without losing quality — adjust quality, resize and download. Private, in your browser.
Image Format Converter
Free image converter for PNG, JPG and WebP. Convert between formats in one click with quality control — privately, in your browser.
Image Resizer
Free online image resizer. Change image width and height with locked aspect ratio and quick presets, then download — JPG, PNG or WebP, in your browser.
JSON Formatter & Validator
Free online JSON formatter, validator and beautifier. Pretty-print, minify, sort and validate JSON instantly in your browser.
JSON to CSV Converter
Free online JSON to CSV converter. Turn a JSON array of objects into clean, Excel-ready CSV instantly in your browser, with a live table preview.
JSON to XML Converter
Free JSON to XML converter — and XML to JSON too. Convert between JSON and XML instantly in your browser, with attributes, arrays and nested data handled cleanly.
SERP Snippet Preview
Free SERP snippet preview tool. See how your title and meta description will look in Google search, with pixel-accurate length checks and a mobile preview.
SIP Calculator
Free SIP calculator for mutual funds. See your invested amount, estimated returns and total maturity value with a year-by-year growth chart — instantly, in your browser.
UTM Link Builder
Free UTM link builder. Create tagged Google Analytics campaign URLs with utm_source, utm_medium and utm_campaign — properly encoded, in your browser.
Word Counter & Keyword Density Checker
Free word counter and keyword density checker. Count words, characters, sentences, paragraphs and reading time, and see your most-used keywords and phrases — live, in your browser.