
DH Tools
Run PDF, image, OCR, and developer utilities privately in the browser
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About DH Tools
DH Tools is a browser based collection of more than 46 small utilities for documents, images, code, networking, text, audio, and routine office work. It puts jobs such as compressing a PDF, converting an image, formatting JSON, checking a token, or generating a QR code in one searchable site. The appeal is practical. Instead of finding a different unknown website every time a file needs a quick edit, a user can return to the same interface and choose the right workspace. The collection spans both general productivity and developer tasks, so it's useful when a job is too small to justify installing a desktop application.
Most file operations run on the user's device. DH Tools says PDFs, photos, invoices, passwords, and other local inputs are processed in browser memory rather than uploaded to its servers. Its workspaces use browser technologies such as WebAssembly, Canvas, Web Workers, Web Audio, PDF.js, SheetJS, and native JavaScript. That local approach matters for confidential files and also removes the usual upload, queue, and download wait. The site can be installed as a progressive web app, and the company says supported local tools continue to work offline. Network utilities, naturally, still need a connection to query outside information.
The document section covers PDF compression, merging, splitting, rotation, image conversion, spreadsheet conversion, and Markdown export. Image tools can resize, crop, compress, change formats, remove backgrounds, extract palettes, and render SVG files as PNG or favicon assets. Its OCR workspace reads tables from images and turns them into editable Excel files, with language and column sensitivity controls plus a cell preview before export. There are also focused media tools for trimming audio, recording voice, and viewing video thumbnails. The breadth is the product here, not a single flagship workflow.
Developers get a similarly varied set of quick workbenches. The JSON tool formats, validates, beautifies, and minifies data while showing syntax problems. Nearby tools convert JSON and CSV, inspect JWT payloads, create hashes and UUIDs, test regular expressions, compare text, encode URLs, generate passwords, and inspect DNS records or HTTP headers. A code formatter handles HTML, CSS, and JavaScript, while a code image studio produces presentation ready graphics. These aren't replacements for an IDE or command line toolchain. They're convenient browser surfaces for one-off checks, transformations, and exports when opening a project would be unnecessary.
DH Tools fits developers, students, office workers, accountants, and anyone who regularly receives awkward files from other people. A support person can merge evidence into one PDF, a front end developer can verify a JWT or color contrast, and a small business can turn photographed tables into a spreadsheet. The site's local processing posture is especially relevant when the material shouldn't be handed to a random conversion service. Because each utility has its own direct URL and brief instructions, it's also easy to share the exact tool with a colleague rather than explain a multistep desktop workflow.
What distinguishes the suite is the combination of breadth and client-side execution. Many all-purpose utility sites depend on server uploads, aggressive advertising, or separate subscriptions for every format. DH Tools places its workspaces under one navigation system with global search, favorites, English and Turkish interfaces, light and dark themes, and PWA installation. Popular tools are surfaced on the home page, while category filters make the larger catalog manageable without memorizing tool names. The experience is still a portal containing many focused tools, so quality and controls vary by task. Complex document layouts, unusual file formats, and imperfect source images may still need dedicated software or a manual review after conversion.
Access is freemium. The free plan includes the full collection and five AI OCR extractions per day. Pro is listed at $5 per month, while the yearly option is $24, and paid access removes ads, lifts AI and OCR limits, adds multi-device cloud sync, raises output options, and includes priority processing and support. Most visitors can try a utility without making a large commitment, then pay only if repeated OCR work or an ad-free workflow justifies it. DH Tools is a young independent product, but its active workspaces, public support address, clear pricing, and installable browser app make it more substantial than a loose page of links.
Key Features
- Client-side PDF workspaces
- Image and format conversion
- AI OCR table extraction
- JSON and code utilities
- Network and security tools
- Installable progressive web app
Pros & Cons
What we like
- Keeps supported file processing inside the browser
- Combines more than 46 focused utilities
- Offers useful tools without requiring payment
- Covers office and developer workflows together
Room for improvement
- Five daily OCR extractions on the free plan
- Browser performance depends on the user's device
- Complex conversions may need dedicated desktop software
- Younger suite from a small independent team
Frequently Asked Questions
What is DH Tools?
Does DH Tools upload my files?
Is DH Tools free?
Can DH Tools work offline?
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