DEVELOPER REFERENCE

API & Integration Guide

All 165 tools are accessible via permanent, shareable URLs. Every tool page accepts query parameters for pre-configuration. No API key required.

URL-based

Every tool is a permanent URL. Link directly to any tool or category.

Client-side

All processing runs in the browser. No server API, no upload endpoints.

No auth needed

Every tool is publicly accessible. No API keys, no CORS headers to set.

URL Structure

Each tool lives at a predictable, permanent URL:

https://apexstudioutilities.com/tools/[tool-slug]

Tool slugs are lowercase, hyphenated identifiers. For example: image-compressor, pdf-to-word, base64-encoder.

Query Parameters

The /tools index page supports the following parameters:

ParameterTypeExampleDescription

catstring?cat=image-toolsPre-select a category on the /tools index page.

qstring?q=pdfPre-populate the search bar on /tools.

Code Examples

Link directly to a tool

<!-- Every tool has a permanent URL -->
<a href="https://apexstudioutilities.com/tools/image-compressor">
  Compress an image
</a>

Open tools filtered by category

<!-- Filter the /tools index to a category -->
<a href="https://apexstudioutilities.com/tools?cat=developer">
  Developer tools
</a>

Open tools with a pre-filled search

<!-- Open /tools with a search term active -->
<a href="https://apexstudioutilities.com/tools?q=pdf+converter">
  Search results
</a>

Tool Slug Directory

165 live tools across 9 categories.

File Conversion28 tools

pdf-to-png pdf-to-jpg pdf-to-word pdf-to-excel pdf-to-powerpoint word-to-pdf excel-to-pdf powerpoint-to-pdf pdf-merge pdf-split pdf-compress image-to-pdf epub-to-pdf markdown-to-pdf html-to-pdf csv-to-json json-to-csv xml-to-json json-to-xml txt-to-pdf rtf-to-pdf odt-to-pdf numbers-to-excel pages-to-pdf pdf-rotate pdf-watermark pdf-unlock pdf-protect

Image Tools22 tools

image-compressor background-remover image-resizer image-cropper image-upscaler favicon-generator image-to-base64 base64-to-image heic-to-jpg svg-to-png png-to-svg jpg-to-png png-to-jpg webp-converter gif-maker image-color-picker ocr-tool image-flip-rotate image-watermark sprite-sheet-generator image-metadata avif-converter

Media & Downloaders9 tools

audio-converter video-converter mp4-to-gif gif-to-mp4 audio-trimmer video-trimmer video-to-audio sound-recorder screen-recorder

Developer Tools30 tools

json-formatter yaml-to-json json-to-yaml xml-formatter html-formatter css-minifier js-minifier sql-formatter regex-tester cron-builder uuid-generator hash-generator color-converter diff-checker markdown-to-html html-to-markdown json-to-typescript http-status-codes api-response-formatter graphql-formatter toml-to-json jwt-decoder color-contrast-checker minifier-html-css-js htaccess-generator curl-to-code css-gradient-generator css-box-shadow-generator css-flexbox-generator dummy-data-generator

Text Tools18 tools

word-counter case-converter lorem-ipsum slug-generator duplicate-line-remover text-sorter whitespace-cleaner text-reverser text-diff readability-score find-and-replace text-truncator character-limit-checker list-randomizer number-extractor text-to-speech speech-to-text email-extractor

Encoding & Decoding16 tools

base64-encoder url-encoder html-entities qr-code-generator qr-code-reader barcode-generator jwt-generator binary-converter hex-encoder morse-code png-to-base64 rot13 caesar-cipher unicode-lookup ascii-table text-to-binary

Calculators20 tools

unit-converter currency-converter percentage-calculator timestamp-converter age-calculator date-calculator timezone-converter bmi-calculator tdee-calculator mortgage-calculator compound-interest tip-calculator aspect-ratio-calculator data-storage-converter gpa-calculator roman-numerals number-base-converter scientific-calculator electricity-cost-calculator vat-calculator

Security & Network12 tools

password-generator password-strength-checker ssl-checker whois-lookup dns-lookup ip-lookup my-ip http-headers user-agent-parser random-token-generator file-hash-checker open-port-checker

SEO & Web10 tools

meta-tag-generator og-tag-generator robots-txt-generator sitemap-generator utm-builder keyword-density canonical-checker redirect-checker link-extractor page-speed-insights

Coming soon

Programmatic API

We're working on a REST API that exposes our conversion and processing tools programmatically — for use in CI/CD pipelines, scripts, and application integrations. It will be free for reasonable usage.

Request early access