Best Free Dev Utilities Tools

Google Keep for Code Snippets. Organize, Discover, and share code snippets, featuring a powerful code screenshot tool with preset templates and a linking feature. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-22, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-22, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Create excellent snapshots from your source code to share on social media. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-14, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-14, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Online free tool for decoding & encoding data. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-14, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-14, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Online developer tools offering free access to all basic tools, with the ability to auto save one entry per tool, standard processing speed, and community support. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-10, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-10, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Quality metadata badges for open source projects. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-11, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Create online surveys. Analyze the results online. The free plan allows only 10 questions and 100 responses per survey. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-14, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-14, found the page different from the terms we hold. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Web service to generate unique and cool images from any text. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-10, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-10, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Global phone number validation and lookup JSON API. Free Plan: 100 API requests a month, non-commercial use only, no support. Paid plans: $14.99/month (5,000 requests), $59.99/month (50,000 requests) and $129.99/month (250,000 requests), all for commercial use.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-31, found the page different from the terms we hold. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Provides real-time and historical financial data for stocks, options, mutual funds, and more. The Free Forever API tier allows for 100 daily API requests at no charge. When we last read the page we cite for this offer, on 2026-10-26, we found the same terms as an earlier read we had declined to record, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-26, found the same terms as an earlier read we had declined to record. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Generate PDF documents with JSON to PDF API based on LaTeX templates. The free plan allows 50 API calls per month and access to a library of templates.

• −1 stale_verification We cannot confirm this offer: 1 consecutive re-check attempt has failed (most recently 2026-11-11 — The pricing page text does not contain any information about a free tier or its limits (e.g., 50 API calls per month); it only shows a 'Pricing' nav link and 'Coming Soon' placeholder content, so the stored free plan terms cannot be verified.), never confirmed since it was indexed. This is our inability to verify, not a change by the vendor. (a limit of ours, not a change by the vendor)

Online booking / appointment scheduling system. Free up to 5 bookings per month, includes 1 calendar. The page we cite for this offer does not name it when we last looked, on 2026-10-14, so we cannot confirm these terms today.

• −1 stale_verification We cannot confirm this offer: 1 consecutive re-check attempt has failed (most recently 2026-10-14 — the page never names datelist.io, on a domain that carries its name), never confirmed since it was indexed. This is our inability to verify, not a change by the vendor. (a limit of ours, not a change by the vendor)

Free Tier $0 /month Perfect for testing and personal projects 870+ currencies (FIAT + Crypto) Historical forex data 200 requests/day EU VAT rates included Precious metals API

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-26, found the same terms as an earlier read we had declined to record. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

A free API providing accurate data for building the Covid-19 related useful Apps. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-10, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-10, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Free tool to Visualize, Edit, Filter complex JSON data into beautiful tabular Grid. Save and Share JSON data over link link. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-10, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-10, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

FreeIPAPI is still FREE with no account required! We're introducing subscriptions for users who want to increase the request limit to more than 60 requests per minute. The free tier includes 60 Requests per minute.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-26, found the same terms as an earlier read we had declined to record. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Create beautiful images of your code snippets. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-05, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-05, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Cloud-based Database schema design and modeling tool with a free starter plan of 2 Database models and ten tables per model. When we read the page we cite for this offer on 2026-09-17, we found a change we could not reconcile with the terms we publish, and we have read it again since, on 2026-10-30, without confirming them, so we cannot confirm these terms today.

• −1 stale_verification We cannot confirm this offer: 2 consecutive re-check attempts have failed (most recently 2026-10-30 — The pricing page does not explicitly state the limits of the free starter plan (number of database models and tables per model). It mentions a 'generous free plan' and 'competitive pricing' but does not provide specific details. Therefore, it's impossible to verify if the limits are still the same.), never confirmed since it was indexed. This is our inability to verify, not a change by the vendor. (a limit of ours, not a change by the vendor)

An online tool for comparing differences between two JSON data structures, helping you quickly locate the differences in JSON data. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-26, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-26, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Realtime currency data API for fintech apps. The free plan includes 5,000 calls per month. The page we cite for this offer does not name it when we last looked, on 2026-11-09, so we cannot confirm these terms today.

• −1 stale_verification We cannot confirm this offer: 5 consecutive re-check attempts have failed (most recently 2026-11-09 — the page never names CurrencyScoop and is not served from its domain), never confirmed since it was indexed. This is our inability to verify, not a change by the vendor. (a limit of ours, not a change by the vendor)

Instant online format for JSON / XML / SQL. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-14, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-14, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Auto-Generate PDF documents from reusable templates with a drop-and-drop editor and a simple API. The free plan comes with 50 PDFs/images per month and three templates.

• −1 stale_verification We cannot confirm this offer: 1 consecutive re-check attempt has failed (most recently 2026-11-09 — The pricing page text provided does not include a pricing/plans section with the free plan's limits (e.g., 50 PDFs/images per month, three templates). The page mentions 'Free plan includes 50 PDFs per month' but does not confirm the three-template limit or image allowance, so the stored deal info cannot be fully verified.), never confirmed since it was indexed. This is our inability to verify, not a change by the vendor. (a limit of ours, not a change by the vendor)

Real-time PubSubHubbub compliant feeds, export, analytics. Free with less customization. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-14, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-14, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

A collection of free online tools designed to make life easier for developers, students, and everyday users. Include a wide range of Developer tools, Diff/Compare tools, Calculators, Converters and Generators. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-07, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-07, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Free daystream database service. All operations are performed by API. Visualization with heat maps and line graphs is also possible. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-10, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-10, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

create and share code snippets in an aesthetic screenshot-like image format. Usually used to aesthetically share/show off code snippets on Twitter or blog posts. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-29, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-29, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

AI-powered file renaming tool with OCR, metadata extraction, and automation for 20+ languages. Free tier: 25 files/month, including desktop app, batch rename, auto-rename, and normal support.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-29, found the same terms as an earlier read we had declined to record. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Schedule on-time or recurring webhooks. The free plan allows 5 ad-hoc schedules. When we last read the page we cite for this offer, on 2026-10-31, we found the same terms as an earlier read we had declined to record, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-31, found the same terms as an earlier read we had declined to record. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Simple service to get a public IP address in different [formats](https://about.ipaddress.sh/). We could not read the page we cite for this offer when we last looked, on 2026-11-13, so we cannot confirm these terms today.

• −1 stale_verification We cannot confirm this offer: 9 consecutive re-check attempts have failed (most recently 2026-11-13 — page content too short (likely JS-rendered SPA); a rendering client read 12 characters), never confirmed since it was indexed. This is our inability to verify, not a change by the vendor. (a limit of ours, not a change by the vendor)

Search and dependency update notifications for 32 different package managers, free for open source. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-11, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

HD editions are available from $4.99. Free samples are available with no signup. The page we cite for this offer does not name it when we last looked, on 2026-10-16, so we cannot confirm these terms today.

• −1 stale_verification We cannot confirm this offer: 2 consecutive re-check attempts have failed (most recently 2026-10-16 — the page never names StreamBackdrops and is not served from its domain), never confirmed since it was indexed. This is our inability to verify, not a change by the vendor. (a limit of ours, not a change by the vendor)

Create and edit screen recordings and other videos online. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-14, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-14, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Enables developers to create stunning visuals — The Free plan includes 3 snaps, 5 slides per presentation (with watermark), 1 code editor per slide, 100MB image upload limit, and 0 folder storage. It also includes 5 AI explanations per month.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-29, found the same terms as an earlier read we had declined to record. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

100 Free IP geolocation requests per day. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-10, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-10, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

API and Microservice to provides a wide range of information including countries, regions, provinces, cities, postal codes, and much more. The free tier includes up to 100 requests per day. The page we cite for Country-State-City Microservice API states in words that it is free, which confirms the price — the limits stated here come from our own record rather than from that page.

• −1 stale_verification We cannot confirm this offer: 5 consecutive re-check attempts have failed (most recently 2026-11-13 — The pricing page text does not mention the free tier or any request limits (e.g., 100 requests per day), so the stored deal info cannot be verified.), never confirmed since it was indexed. This is our inability to verify, not a change by the vendor. (a limit of ours, not a change by the vendor)

A collection of free online SQL tools, including an SQL formatter and validator, SQL regex tester, fake data generator, and interactive database playgrounds. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-10, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-10, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Tool for connecting, cleaning, and importing data into Salesforce. Free Plan includes up to 20,000 records per month. When we read the page we cite for this offer on 2026-09-19, we could read no amount, tier or rate on the page, and we have read it again since, on 2026-11-01, without confirming the terms above, so we cannot confirm these terms today.

• −1 stale_verification We cannot confirm this offer: 2 consecutive re-check attempts have failed (most recently 2026-11-01 — The pricing page does not explicitly state the limits of the free plan. It mentions a 'Try it free today!' call to action but does not detail the record limits or features included in the free tier. It states they process 5 billion records monthly, but doesn't specify how that's distributed across plans.), never confirmed since it was indexed. This is our inability to verify, not a change by the vendor. (a limit of ours, not a change by the vendor)

a note-taking app (PWA) with a powerful built-in multiline calculator. We could not read the page we cite for this offer when we last looked, on 2026-10-29, so we cannot confirm these terms today.

• −1 stale_verification We cannot confirm this offer: 1 consecutive re-check attempt has failed (most recently 2026-10-29 — page content too short (likely JS-rendered SPA); a rendering client read 108 characters), never confirmed since it was indexed. This is our inability to verify, not a change by the vendor. (a limit of ours, not a change by the vendor)

Receive notifications on email, Slack, Telegram, Discord, and custom webhooks for new releases from GitHub, GitLab, Bitbucket, Python PyPI, Java Maven, Node.js NPM, Node.js Yarn, Ruby Gems, PHP Packagist, .NET NuGet, Rust Cargo and Docker Hub. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-14, so we cannot confirm these terms today.

• −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-14, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)

Create & share code or binaries. Available to share as a beautiful image e.g. for Twitter / Facebook post or as a link e.g. for chats or forums. We could not read the page we cite for this offer when we last looked, on 2026-11-12, so we cannot confirm these terms today.

• −1 stale_verification We cannot confirm this offer: 8 consecutive re-check attempts have failed (most recently 2026-11-12 — page content too short (likely JS-rendered SPA); a rendering client read 495 characters), never confirmed since it was indexed. This is our inability to verify, not a change by the vendor. (a limit of ours, not a change by the vendor)

Check hosting information such as ASN, ISP, location and more for any domain, website or IP address. Also includes multiple hosting and DNS-related tools. Its pricing page has not resolved for us since 2026-09-30, so we cannot confirm these terms today.

• −2 link_unreachable Hosting Checker's pricing page has not resolved for us since 2026-09-30.

IP API that detects residential proxies and VPNs. ProxySentry.io offers a free tier with 10k requests per month on rapidapi.com. Its pricing page has not resolved for us since 2026-09-15, so we cannot confirm these terms today.

• −2 link_unreachable ProxySentry's pricing page has not resolved for us since 2026-09-15.

Superseded: As of 2026-08-28, iptrace.io reads: The page offers Standard ($10/200k requests), Basic ($49/500k requests), and Pro ($99/1M requests) plans. A free API key is mentioned as available through ipstack. We are not publishing our stored IPTrace terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓

• −3 free_tier_withdrawn Recorded free tier removal on 2026-08-28: The free tier is being discontinued and users are directed to switch to ipstack. The page now offers paid plans starting at $10/month for 200k requests. Unconfirmed. We could not check this change against an archived copy of IPTrace's page, so it does not count toward the rating. Source: https://iptrace.io
• −1 stale_verification Our last read of the vendor's pricing page, on 2026-11-10, reached a domain root that states nothing about the terms we hold. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)